Fill - Free fillable Stormwater 2018 DEQ Master Plan PDF form

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WATER PROTECTION BUREAU

Agency Use

MTR04_____________

Date Rec’d:

Amount Rec’d:

Check No.:

Rec’d By:

FORM

MS4-AR

MPDES Storm Water Small MS4 Annual Report Form

Reporting period is for the calendar year, January 1st through December 31st.

Check one. Annual Report is due by March 1st of the following year.

2017

2018

2019

2020

2021

Instructions: This Annual Report Form is to be completed by each permittee and co-permittee

authorized to discharge storm water under the General Permit for Storm Water Discharges

Associated with Small Municipal Separate Storm Water Sewer Systems (MS4s). All

authorized permittees and co-permittees are required to complete this Annual Report Form

for each calendar year reporting period. For co-permittees authorized under one permit

authorization or for co-permittees with multiple authorizations, you are required to complete

this form and submit separate required documents/information exclusively for your respective

regulated Small MS4 area(s). This completed Annual Report Form must be electronically

submitted to the Montana Department of Environmental Quality, Water Protection Bureau.

Electronic submission is required through the web-based tool: NetDMR. Additional

information is located on DEQ’s website: http://deq.mt.gov/Water/WQINFO/ctss/netdmr.

Small MS4 Authorization Number: MTR04_________________

Small MS4 Classification



Traditional



Non-Traditional

Small MS4 Name:

Small MS4 Mailing Address:

City, State, and Zip Code:

Small MS4 Contact Person (and Title):

Mailing Address:

City, State, and Zip Code:

Phone Number: ( ) E-mail address:

0000

City of Helena

316 N Park Ave

Helena, MT 59601

Matt Culpo (SWMP Coordinator)

316 N Park Avenue

Helena, MT 59601

4064478073

mculpo@helenamt.gov

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Storm Water Management Team: Attach an organizational chart identifying a primary SWMP

coordinator and the positions responsible for implementing each minimum measure.

Requested above chart:

 Attached  Not Attached

Has the permittee established and executed a formalized mechanism for

regular communication between storm water management team members?

 Yes  No

Permittee’s SWMP Resources:

How many FTEs does the permittee designate to the MS4 permit? _____ If needed, provide an

explanation.

If more space is needed, submit on an additional page with corresponding reference or on a data storage device.

Answer the following five (5) questions on an additional page with corresponding reference or

on a data storage device.

(1) What are the source(s) of funding for implementation of the MS4 permit and the estimated

percentage of the total budget allocated from each source listed?

(2) Specific to the annual reporting calendar year, how did the permittee justify commitment of

resources or budget allocations to the implementation of the MS4 permit to decision-makers and the

public? Provide a summary of meetings and outcomes held with decision-makers and the public.

(3) Has the permittee demonstrated program effectiveness to obtain budget allocations for this

annual reporting calendar year or previous years? Why or why not? If so, what program

effectiveness metrics were presented?

(4) How was this annual reporting calendar year’s approach to allocate resources different than the

previous year’s approach?

(5) Was the permittee successful in their request for budget allocations? Describe the outcome and

factors that affected or resulted in that outcome.

Illicit Discharge Detection & Elimination:

Per the IDDE MCM requirement (Part II (3)(c.i)), has the permittee

reviewed, and updated if needed, the storm sewer map during the calendar

year?

 Yes  No

Per the IDDE MCM requirement (Part II (3)(e.i)), has the permittee dry

weather inspected and screened outfalls during the calendar year?

 Yes  No

Fill in the blanks with numbers. The permittee has inspected ______ outfalls during this calendar

year. Since authorization under the 2017 General Permit, the permittee has inspected ______ total

outfalls out of the ______ total MS4 outfalls.

Several people within Engineering and Utility Maintenance divisions of the Public Works

Department have duties related to the MS4. 3 FTEs is an estimate of the combined time of all

employees with some storm water responsibilities.

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Per the Illicit Discharge Detection & Elimination MCM (Part II (3)(e.i)), the

permittee will complete the requirement to inspect and screen all outfalls

during dry weather by the end of the permit cycle.

 Yes  No

Construction Site Storm Water Management: During the calendar year, how many construction

storm water management plan reviews were completed (Part II (4)(b))? ______________

During the calendar year, how many construction projects were inspected for their storm water

management controls (Part II (4)(c))? ______________

Pollution Prevention/Good Housekeeping for Permittee Operations:

Has the permittee reviewed, and updated if needed, the inventory of

permittee-owned/operated facilities and activities (Part II (6)(a.i))?

 Yes  No

Has the permittee reviewed, and updated if needed, the map that identifies

the locations of facilities and known locations of activities (Part II (6)(a.ii))?

 Yes  No

Has the permittee conducted annual storm water pollution prevention

training for permittee staff during the next permit year after development of

each standard operating procedure (Part II (6)(a.v))?

*Not applicable during calendar year 2017, 2018, and 2019. Check “No” during these years.*

 Yes  No

Training: According to Part II (B) Training requirements, has the permittee

conducted applicable training during the 1

and 4

calendar years?

*Not required during calendar year 2018, 2019, and 2021. Check “No” during these years.*

 Yes  No

According to Part II (B) Training requirements, has the permittee conducted

applicable new employee training within 90 days of the hire date?

 Yes  No

Special Conditions: Per Pre-TMDL Approval (Part III.A) requirements, attach the required

information regarding identification of all outfalls that discharge to impaired waterbodies, the

impaired waterbodies, and the associated pollutants of impairments. Summarize the BMPs

implemented over the reporting period and a schedule of BMPs planned for the following year.

Attached  Not Attached  Not Applicable

Special Conditions: Approved TMDLs (Part III.B) requirements per calendar year below.

Calendar Year 2017: The permittee has attached a Sampling Plan that includes strategy rationale,

monitoring frequency, monitoring parameters, and monitoring locations.

Attached  Not Attached  Not Applicable

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Calendar Year 2017: The permittee has attached all outfalls that discharge to impaired waterbodies

and the associated pollutants of impairment.

Attached  Not Attached  Not Applicable

Calendar Year 2018: The permittee has attached all outfalls that discharge to impaired waterbodies

and the associated pollutants of impairment.

Attached  Not Attached  Not Applicable

Calendar Year 2019: The permittee has attached all outfalls that discharge to impaired waterbodies

and the associated pollutants of impairment.

Attached  Not Attached  Not Applicable

Calendar Year 2020: The permittee has attached all outfalls that discharge to impaired waterbodies

and the associated pollutants of impairment.

Attached  Not Attached  Not Applicable

Calendar Year 2020: The permittee has attached the TMDL section of the SWMP that identifies

the measures and BMPs it plans to implement, describes the MS4’s impairment priorities and long

term strategy, and outlines interim milestones for controlling the discharge of the pollutants of

concern and making progress towards meeting the TMDL.

Attached  Not Attached  Not Applicable

Calendar Year 2021: The permittee has attached all outfalls that discharge to impaired waterbodies

and the associated pollutants of impairment.

Attached  Not Attached  Not Applicable

Calendar Year 2021: The permittee has evaluated the TMDL section of the SWMP based on

monitoring results. The section has been revised, if needed, and is attached.

Attached

 Not Attached  Not Applicable

Monitoring: Per requirements in Part IV (B), has the permittee attached monitoring results,

calculations, and evaluations?

Attached  Not Attached  Not Applicable

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INSTRUCTIONS: The permittee will only fill out the Annual Report

Attachments section below that corresponds to the calendar in which an Annual

Report is being submitted for. Attach the requested documents/information.

2017 Annual Report Attachments (1

Calendar Year)

Public Education and Outreach:

Per requirements a.i in the referenced MCM, attach the required information regarding key target

audiences and associated pollutants.

Attached

 Not Attached

Public Involvement and Participation:

Per requirements a.i in the referenced MCM, attach the required information regarding the public

involvement approach and schedule of each key audience.

Attached

 Not Attached

Illicit Discharge Detection & Elimination:

Per requirements a.i in the referenced MCM, attach the required information regarding categories of

non-storm water discharges or flows, associated pollutants, and local controls or conditions.

Attached

 Not Attached

Per requirements b.i in the referenced MCM, attach the required information regarding occasional

non-storm water discharges or flows, associated pollutants, and local controls or conditions.

Attached

 Not Attached

Per requirements f.i in the referenced MCM, attach the required Illicit Discharge Investigation and

Corrective Action Plan and any associated documents.

Attached

 Not Attached

Construction Site Storm Water Management:

Per requirements a.iii in the referenced MCM, attach progress towards an Enforcement Response

Plan and associated documents.

Attached

 Not Attached

Specific to Traditional MS4s and per requirements b.i in the referenced MCM, attach the

construction storm water management plan review checklist.

Attached

 Not Attached

 Not applicable

Specific to Non-Traditional MS4s and per requirements b.iii in the referenced MCM, attach the

construction storm water management plan review checklist.

Attached

 Not Attached

 Not applicable

Specific to Traditional MS4s and per requirements c.i in the referenced MCM, attach the

construction storm water management inspection form or checklist.

Attached

 Not Attached

 Not applicable

Specific to Non-Traditional MS4s and per requirements c.ii in the referenced MCM, attach the

construction storm water management inspection form or checklist.

Attached

 Not Attached

 Not applicable

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Post-Construction Site Storm Water Management in New and Redevelopment

Specific to Traditional MS4s and per requirements b.i in the referenced MCM, attach the post-

construction storm water management plan review checklist.

Attached

 Not Attached

 Not applicable

Specific to Non-Traditional MS4s and per requirements b.ii in the referenced MCM, attach the post-

construction storm water management plan review checklist.

Attached

 Not Attached

 Not applicable

Per requirements in b.iii in the referenced MCM, attach the performance standards and associated

documents.

Attached

 Not Attached

2018 Annual Report Attachments (2

Calendar Year)

Public Education and Outreach:

Per requirements b.i in the referenced MCM, attach the required information regarding outreach

messages.

Attached

 Not Attached

Per requirements c.i in the referenced MCM, attach the required information regarding a description

of formats, distribution channels and schedule for key target audiences.

Attached

 Not Attached

Public Involvement and Participation:

Per requirements a.ii in the referenced MCM, attach the required information regarding participation

and key target audience feedback on approaches.

Attached

 Not Attached

Illicit Discharge Detection & Elimination:

Per requirements a.i in the referenced MCM, attach the required information regarding categories of

non-storm water discharges or flows, associated pollutants, and local controls or conditions.

Attached

 Not Attached

Per requirements b.i in the referenced MCM, attach the required information regarding occasional

non-storm water discharges or flows, associated pollutants, and local controls or conditions.

Attached

 Not Attached

Specific to Traditional MS4s and per requirements d.i in the referenced MCM, attach the adopted

ordinance or other regulatory mechanism to prohibit illicit discharges.

Attached

 Not Attached

 Not applicable

Specific to Non-Traditional MS4s and per requirements d.ii in the referenced MCM, attach the

summary of legal authority to prohibit illicit discharges.

Attached

 Not Attached

 Not applicable

Per requirements d.iii in the referenced MCM, attach the required summary of the cooperative

agreements.

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Attached

 Not Attached

Per requirements d.iv in referenced MCM, attach the Enforcement Response Plan and associated

documents.

Attached

 Not Attached

Per requirements e.ii in referenced MCM, attach the list of high priority outfalls.

Attached

 Not Attached

Specific to Traditional MS4s and per requirements f.iii in the referenced MCM, attach the summary

of investigations conducted and corrective actions taken per the required Illicit Discharge

Investigation and Corrective Action Plan and any associated documents.

Attached

 Not Attached

 Not applicable

Specific to Non-Traditional MS4s and per requirements f.iv in the referenced MCM, attach the

summary of investigations conducted and corrective actions taken per the required Illicit Discharge

Investigation and Corrective Action Plan and any associated documents.

Attached

 Not Attached

 Not applicable

Post-Construction Site Storm Water Management in New and Redevelopment

Specific to Traditional MS4s and per requirements c.i in the referenced MCM, attach the post-

construction storm water management inspection form or checklist.

Attached

 Not Attached

 Not applicable

Specific to Non-Traditional MS4s and per requirements c.ii in the referenced MCM, attach the post-

construction storm water management inspection form or checklist.

Attached

 Not Attached

 Not applicable

Per requirements in c.iii in the referenced MCM, attach the inventory of all new permittee-owned

and private post-construction storm water management controls.

Attached

 Not Attached

Per requirements in c.vi in the referenced MCM, attach an inspection frequency protocol.

Attached

 Not Attached

Specific to Traditional MS4s and per requirements c.vii, attach the developed inspection program.

Attached

 Not Attached

 Not applicable

Pollution Prevention/Good Housekeeping for Permittee Operations

Per requirements in a.iii in the referenced MCM, attach completed Standard Operating Procedures.

Attached

 Not Attached

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2019 Annual Report Attachments (3

Calendar Year)

Public Education and Outreach:

Per requirements c.ii in the referenced MCM, attach the required information regarding outreach

materials distributions.

Attached

 Not Attached

Public Involvement and Participation:

Per requirements a.ii in the referenced MCM, attach the required information regarding participation

and key target audience feedback on approaches.

Attached

 Not Attached

Illicit Discharge Detection & Elimination:

Per requirements a.i in the referenced MCM, attach the required information regarding categories of

non-storm water discharges or flows, associated pollutants, and local controls or conditions.

Attached

 Not Attached

Per requirements b.i in the referenced MCM, attach the required information regarding occasional

non-storm water discharges or flows, associated pollutants, and local controls or conditions.

Attached

 Not Attached

Per requirements e.ii in referenced MCM, attach the list of high priority outfalls.

Attached

 Not Attached

Per requirements e.iii in referenced MCM, attach the required summary of screening results.

Attached

 Not Attached

Specific to Traditional MS4s and per requirements f.iii in the referenced MCM, attach the summary

of investigations conducted and corrective actions taken per the required Illicit Discharge

Investigation and Corrective Action Plan and any associated documents.

Attached

 Not Attached

 Not applicable

Specific to Non-Traditional MS4s and per requirements f.iv in the referenced MCM, attach the

summary of investigations conducted and corrective actions taken per the required Illicit Discharge

Investigation and Corrective Action Plan and any associated documents.

Attached

 Not Attached

 Not applicable

Construction Site Storm Water Management:

Specific to Traditional MS4s and per requirements a.i in the referenced MCM, attach the adopted

ordinance or other regulatory mechanism to require construction storm water controls.

Attached

 Not Attached

 Not applicable

Specific to Non-Traditional MS4s and per requirements a.ii in the referenced MCM, attach the legal

authority summary.

Attached

 Not Attached

 Not applicable

Per requirements a.iii in the referenced MCM, attach the adopted Enforcement Response Plan and

associated documents.

Attached

 Not Attached

Post-Construction Site Storm Water Management in New and Redevelopment

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Per requirements in c.viii in the referenced MCM, attach findings and compliance actions regarding

inspections of high priority post-construction storm water management controls.

Attached

 Not Attached

Specific to Traditional MS4s and per requirements c.ix, attach the findings and resulting actions

regarding inspections of high priority privately-owned post-construction storm water management

controls.

Attached

 Not Attached

 Not applicable

Pollution Prevention/Good Housekeeping for Permittee Operations

Per requirements in a.iii in the referenced MCM, attach the completed Standard Operating

Procedures.

Attached

 Not Attached

2020 Annual Report Attachments (4

Calendar Year)

Public Education and Outreach:

Per requirements c.ii in the referenced MCM, attach the required information regarding outreach

materials distributions.

Attached

 Not Attached

Public Involvement and Participation:

Per requirements a.ii in the referenced MCM, attach the required information regarding participation

and key target audience feedback on approaches.

Attached

 Not Attached

Illicit Discharge Detection & Elimination:

Per requirements a.i in the referenced MCM, attach the required information regarding categories of

non-storm water discharges or flows, associated pollutants, and local controls or conditions.

Attached

 Not Attached

Per requirements b.i in the referenced MCM, attach the required information regarding occasional

non-storm water discharges or flows, associated pollutants, and local controls or conditions.

Attached

 Not Attached

Per requirements e.ii in referenced MCM, attach the list of high priority outfalls.

Attached

 Not Attached

Per requirements e.iii in referenced MCM, attach the required summary of screening results.

Attached

 Not Attached

Specific to Traditional MS4s and per requirements f.iii in the referenced MCM, attach the summary

of investigations conducted and corrective actions taken per the required Illicit Discharge

Investigation and Corrective Action Plan and any associated documents.

Attached

 Not Attached

 Not applicable

Specific to Non-Traditional MS4s and per requirements f.iv in the referenced MCM, attach the

summary of investigations conducted and corrective actions taken per the required Illicit Discharge

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Investigation and Corrective Action Plan and any associated documents.

Attached

 Not Attached

 Not applicable

Post-Construction Site Storm Water Management in New and Redevelopment

Specific to Traditional MS4s and per requirements a.i in the referenced MCM, attach the adopted

ordinance or other regulatory mechanism to require post-construction storm water controls.

Attached

 Not Attached

 Not applicable

Specific to Non-Traditional MS4s and per requirements a.ii in the referenced MCM, attach the legal

authority summary.

Attached

 Not Attached

 Not applicable

Per requirements in a.iii in the referenced MCM, attach the Enforcement Response Plan and

associated documents.

Attached

 Not Attached

Per requirements in c.viii in the referenced MCM, attach findings and compliance actions regarding

inspections of high priority post-construction storm water management controls.

Attached

 Not Attached

Specific to Traditional MS4s and per requirements c.ix, attach the findings and resulting actions

regarding inspections of high priority privately-owned post-construction storm water management

controls.

Attached

 Not Attached

 Not applicable

Per requirements in d.i in the referenced MCM, attach a summary of the discussion outcomes.

Attached

 Not Attached

Pollution Prevention/Good Housekeeping for Permittee Operations

Per requirements in a.iii in the referenced MCM, attach the completed Standard Operating

Procedures.

Attached

 Not Attached

2021 Annual Report Attachments (5

Calendar Year)

Public Education and Outreach:

Per requirements c.ii in the referenced MCM, attach the required information regarding outreach

materials distributions.

Attached

 Not Attached

Public Involvement and Participation:

Per requirements a.ii in the referenced MCM, attach the required information regarding participation

and key target audience feedback on approaches.

Attached

 Not Attached

Illicit Discharge Detection & Elimination:

Per requirements a.i in the referenced MCM, attach the required information regarding categories of

non-storm water discharges or flows, associated pollutants, and local controls or conditions.

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Attached

 Not Attached

Per requirements b.i in the referenced MCM, attach the required information regarding occasional

non-storm water discharges or flows, associated pollutants, and local controls or conditions.

Attached

 Not Attached

Per requirements e.ii in referenced MCM, attach the list of high priority outfalls.

Attached

 Not Attached

Per requirements e.iii in referenced MCM, attach the required summary of screening results.

Attached

 Not Attached

Specific to Traditional MS4s and per requirements f.iii in the referenced MCM, attach the summary

of investigations conducted and corrective actions taken per the required Illicit Discharge

Investigation and Corrective Action Plan and any associated documents.

Attached

 Not Attached

 Not applicable

Specific to Non-Traditional MS4s and per requirements f.iv in the referenced MCM, attach the

summary of investigations conducted and corrective actions taken per the required Illicit Discharge

Investigation and Corrective Action Plan and any associated documents.

Attached

 Not Attached

 Not applicable

Post-Construction Site Storm Water Management in New and Redevelopment

Per requirements in c.viii in the referenced MCM, attach findings and compliance actions regarding

inspections of high priority post-construction storm water management controls.

Attached

 Not Attached

Specific to Traditional MS4s and per requirements c.ix, attach the findings and resulting actions

regarding inspections of high priority privately-owned post-construction storm water management

controls.

Attached

 Not Attached

 Not applicable

Pollution Prevention/Good Housekeeping for Permittee Operations

Per requirements in a.iii in the referenced MCM, attach completed Standard Operating Procedures.

Attached

 Not Attached

Attach any updates, changes, or improvements to the Small MS4 Storm Water Management

Program per requirements in Part IV (E).

Attached

 Not Attached

 Not applicable

Public Works Director

Randall Camp

Engineering Division

City Engineer

Ryan Leland

SWMP Coordinator

Matt Culpo

Utility Maintenance Division

Interim Superintendent

Dave Knopke

Supervisor

Trent Scheuer

Water Quality

Protection District

Jennifer McBroom

Engineering Division

Staff

Lewis and Clark County Health

Department

Kathy Moore

MCM 4 and 5

Engineering Division

reviews Construction

SWPPPs, inspects

construction BMPs,

and reviews and

inspects Post

Construction Storm

Water Controls.

MCM 1 and 2 –SWMP

Coordinator conducts

additional outreach,

education and public

involvement activities

and coordinates with

WQPD.

MCM 3 - SWMP

Coordinator

interfaces with Utility

Maintenance for

IDDE.

MCM 3 – Utility

maintenance

performs video

inspections of storm

sewers

MCM 1 and 2 – WQPD

staff conducts

outreach, education

and public

involvement activities

RESPONSES TO QUESTIONS 1 -5

Page 2: Questions 1-5

1) The City of Helena has a storm water utility which charges property owners based on the

amount of impervious land they own. The storm water utility collects approximately 1 million

dollars annually. 100% of the funds from the storm water utility are used to operate, maintain

and manage the City’s MS4.

The City of Helena also teams up with Lewis and Clark County to assess property owners

between $8 and $10 per year which amounts to approximately $350,000 to fund the Water

Quality Protection District (WQPD). These funds are used to preserve, protect and improve

water quality with the WQPD, of which, the City of Helena is part of. The WQPD encompasses

Prickly Pear Creek and Ten Mile Creek watersheds which the City of Helena is tributary to. The

WQPD conducts restoration planning, monitoring, outreach and education activities.

2) The City prepares annual budgets for projects and expenditures based on priority. The City

prepared a Storm Water Master Plan (Master Plan) in 2003. The 2003 Master Plan was updated

in 2018. The Master Plan analyzes the storm water system for capacity, treatment and

condition and establishes an overall Capital Improvement Plan and identifies priority projects.

Priority projects include life/safety concerns, flooding, failing infrastructure, water quality and

maintenance improvements. City management and staff meet on a regular basis throughout

the year to discuss projects and assign priorities. City management and staff also meet

bimonthly in administration meeting with City Commission and at City Commission meetings

which are open to the public to discuss projects and priorities of City staff.

3) The City has demonstrated program effectiveness to obtain budget allocations by utilizing the

Storm Water Master Plan and actively pursuing and updating the Storm Water Master Plan; by

responding to MS4 requirement s and needs through the development of a Storm Water

Management Plan and Engineering Design Standards; by continuing ongoing storm water quality

programs, operation, inspection and maintenance of the storm water system; and by

development of additional activities and reporting as needed or as required by the MS4

program. The program effectiveness metrics presented include: storm water monitoring results,

capital expenditures on storm water projects, quantity of storm water treated, quantity of storm

water system inspected, completion of maintenance projects, quantity of material removed

from streets and the storm water system, ability to clean up illicit discharges,

coordination/review/implementation of storm water treatment facilities for developments, and

inspections of construction project and storm water system components.

4) This year’s approach to allocated resources built upon the program developed in prior years.

Effective programs were continued, existing programs were updated and new programs where

added as needed. Some examples of resource allocations include: continuation of the storm

sewer inspection and street sweeping programs, preparing updates to the Storm Water Master

Plan and the Storm Water Management Plan, and focused staff reviews of development projects

to incorporate effective low impact development and water quality treatment.

5) The permittee was successful in their requests for budget allocations. The outcome of the

budget allocation requests include continuation of storm water programs described above in

question 4. The outcome of some of the budget allocation requests include completion of the

Henderson Street Drainage and Erosion Control Improvement Project, a $300,000 capital

improvement project; which included planting of 56 trees. A storm sewer emergency repair

project was also conducted in 2018. The emergency repair from installed 48 inch diameter

storm pipe along two city blocks along 11

Avenue and Dakota Street from Montana Ave to 9

Ave and abandoned a collapsed 36 inch corrugated metal pipe. This project cost approximately

$500,000 and utilized city staff for design, construction oversight and construction

administration. Funding for an outreach and education flyer and information page on the use of

raingardens were mailed out to all utility costumers and posted on the City’s website at a cost of

$6,000.

Outfalls for the City of Helena

Outfall

No.

Drainage

Basin

Outfall BMP

Outfall

Conveyance

Street Location

Westside

East Simmons Detention Pond

30 inch

Broadwater Ave and spring meadow

West Simmons Detention Pond

12 inch

Broadwater and Motor Ave

High

Priority

Outfalls

3 Henderson Retention Pond Complex

24 inch

Silsbee Ave and Mitchell near

Fairgrounds

24 inch

Fairgrounds Detention Pond

16 inch

Fairgrounds east of Arena

North Stone Meadows Detention Pond

8 inch

Andesite Ave and crystal springs creek

Central Stone Meadows Detention Pond

10 inch

Benton Ave and Flagstone Ave

South Stone Meadows Detention Pond

8 Inch

Benton Ave south of Obsidian Ave

Crystal Springs Detention Pond

Open Channel

Benton and Willowbrook

County Shop Detention Basin

Open Channel

E of N Benton and Willowbrook Drive

Last

Chance

Nature Park Retention Pond, and on-site

detention/ret ponds 24 inch

McHugh Lane north of Golden Estates

subdivision

Golden Estates Detention Pond

18 inch

Jade Street and Amethyst Ave (golden

estates)

Skelton Detention 1, 2, 3, and 4

24 inch

North of Ptarmigan and Montana Ave

Anderson BP Detention and open channel

Open Channel

S of Road Runner and Sand Piper

Davis

Target Retention Pond

36 inch

Jordan Drive behind Macy's

Davis Region Pond and Kmart Pond

48 inch

I-15 Regional Ponds

Bull Run

West

Burnham Ranch Retention Pond

Helena Regional Detention and York and

Custer Detention 55 inch York Road north of Custer

Airport

Airport Detention 4, 5.1, and 5.2 and 1400ft

of open channel 21 inch Canyon Ferry Road east of Y-county

Airport Retention R-13 and National Guard,

Helena Aviation, Fire and D10 Detention 48 x 60 inch

Helena Valley Canal Crossing east of

National Guard

Airport Retention R-910 and Detention

Pond 2 54 inch

Helena Valley Canal Crossing east end

Airport

Bull Run

Upstream

of Airport

Walmart Detention 1 and 2

36 in

NW of Miller and Carter

Staples Detention

18 in

NW of Miller and Carter

Future Nichole St Pond

36 in

N of Nichole St and RR Tracks

Outfall

No.

Drainage

Basin

Outfall BMP

Outfall

Conveyance

Street Location

Open Channel

N of Dick Anderson Construction

Hunters Point and Mountain West Bank

Detention Open Channel

N of I15, upstream of Synness Auto

Salvage

Nob Hill Retention 1 and 2, and Nob Hill

Detention 1, Grass swale along I15 24 in NW of I15 and Mendocino Drive

Far East

Nob Hill Detention 4

Open Channel

Colonial drive south of Nob Hill Lift

station

Aspen Meadows Detention

84 inch

Alice street East of Crossroads Pkwy

29 Grass channel, small basin at culvert inlet 2-24 inch

Crossroads Pkwy and Prospect Ave

(highway 12)

West Aspen Meadows Retention

24 inch

Alice street East of Cascade Ave

East Aspen Meadows Retention

42 inch

Twilight and Stillwater streets

East Aspen Meadows Retention

12 inch

Runkle Pkwy between Still water and

Alpine View

Open Channel for 700ft

12 inch

Runkle Pkwy and Highway 282

Aspen Meadows Detention North and South

36 inch

Highway 282 south of Runkle Parkway

&(&(

Source: Esri, DigitalGlobe, GeoEye, Earthstar Geographics, CNES/Airbus DS, USDA, USGS, AEX, Getmapping, Aerogrid, IGN, IGP, swisstopo, and the GIS

User Community

PATH: G:\PROJECTS\HELENA_CITY_OF\SWMP 2017\MAP_DOCS\FIGURE A.1_OVERALL STORM SYSTEM & BASIN MAP.MXD - USER: SSAVAGE - DATE: 12/20/2016

OVERALL STORM SYSTEM AND BASIN MAP

FIGURE A.1

CITY OF HELENA, MT

CITY OF HELENA STORM WATER MANAGEMENT PLAN (DECEMBER 2016)

0 0.50.25

Miles

DATA SOURCE: (ESRI, City of Helena)

LEGEND

Existing Outfall

Storm Water Pond

Storm Drain

City Limits

Westside Basin

Last

Chance

Gulch

Basin

Davis Gulch Basin

Airport Basin

Far East Basin

Bull

Run

Basin

Tenmile Creek

Prickly Pear Creek

See Table 4 for detailed

outfall information.

Note:

Helena Valley

Irrigation Ditch

WWTP

Effluent Canal

(gal/min)

(s.u.)

TSS

Oil

Grease

Nitrogen Phosphorus Zinc Lead Copper COD

EPA NURP Median Concentration 6 to 9 125 10 2.00 0.41 0.210 0.165 0.040 80

001A 5/3/2007 14 7.4 88 19 0.15 0.25 0.090 0.020 0.020 29

10/3/2007 98 7.4 68 4.9 1.02 0.71 0.140 0.010 0.030 330

18th Street near Walmar

5/6/2008 87 5.7 384 9 2.69 2.40 2.150 0.440 0.330 900

GIS id: BR-1-92-7-3

11/13/2008 39 6.6 140 8.8 0.86 0.48 0.300 0.050 0.070 410

6/14/2009 50 7.6 112 9.3 1.31 0.46 0.380 0.030 0.060 390

7/28/2009 1400 6.9 44 4.1 0.46 0.08 0.070 ND 0.030 130

5/3/2010 350 6.9 390 7.3 0.92 0.70 0.520 0.060 0.100 490

8/29/2010 225 6.3 368 14 0.05 0.37 0.830 0.080 0.110 320

11/16/2010 91 7.8 244 9 0.64 0.47 0.260 0.030 0.040 65

5/22/2011 7.6 38 6.5 0.43 0.07 0.110 0.010 0.030 130

8/2/2011 350 7.3 349 8.4 0.49 0.42 0.280 0.050 0.050 75

3/28/2012 6.9 1260 5 0.39 0.66 0.740 0.174 0.137 130

7/17/2012 550 7.6 442 5 1.46 0.82 0.790 0.066 0.129 92

10/3/2012 180 6.6 50 5 2.52 1.71 0.920 0.034 0.122 1300

5/23/2013 269 8.0 60 <1 0.15 0.29 0.150 0.030 0.030 22

9/17/2013 314 5.1 196 4 0.04 0.45 0.070 0.004 0.012 470

6/25/2014 283 7.0 604 2 0.19 1.73 0.308 0.126 0.073 298

8/25/2014 426 6.8 188 <1 <0.01 0.32 0.162 0.017 0.006 145

9/29/2014 247 7.4 189 1 0.1 0.27 0.117 0.021 0.013 58

5/16/2015 202 7.4 1500 5 1.01 0.20 0.711 0.142 0.135 180

7/10/2015 404 6.2 380 <1 0.21 1.01 0.348 0.043 0.089 338

10/1/2015 539 7.3 53 1 0.17 0.19 0.061 0.008 0.023 17

4/14/2016 134 8.0 264 <1 0.50 0.74 0.330 0.090 0.060 100

5/20/2016 718 7.1 408 <1 <.01 0.71 0.280 0.040 0.050 288

8/9/2016 582 7.6 964 3 <.01 1.05 0.530 0.070 0.080 372

9/20/2016 157 6.4 224 <1 0.37 0.48 0.020 0.020 0.050 415

6/13/2017 20 7.3 33 <1 0.04 0.14 0.039 0.004 0.001 31.6

9/15/2017 1 7.3 84 <1 0.12 0.18 0.098 0.012 0.012 411

4/27/2018 1 7.7 484 <1 0.35 0.91 0.303 0.049 0.099 463

002A 5/3/2007 6.46 6.9 160 12 2.23 3.88 0.100 0.020 0.040 350

9/24/2007 85 6.8 76 13 0.76 0.53 0.150 ND 0.030 340

Broadway and Sanders

5/6/2008 215 7.6 2970 25 1.17 0.79 0.590 0.120 0.130 240

GIS Id: DG-3-9

11/13/2008 51.34 7.0 124 6.1 0.35 0.36 0.130 0.020 0.040 190

6/15/2009 5400 7.6 56 3.4 0.88 0.40 0.120 ND 0.040 330

7/7/2009 400 7.6 610 5.3 0.53 0.23 0.140 0.020 0.050 310

7/28/2009 3000 7.2 ND 4.1 0.50 0.11 0.050 ND 0.010 80

4/13/2010 30 7.3 520 5.1 1.58 0.70 0.310 0.050 0.090 250

5/3/2010 1250 7.5 485 7.2 0.41 0.64 0.340 0.050 0.090 180

8/28/2010 115 6.8 134 7.8 0.89 0.24 0.160 0.020 0.040 140

10/24/2010 19 7.2 56 4.8 0.52 12.20 0.170 ND 0.050 260

5/24/2011 1000 8.2 386 5.1 0.31 0.28 0.220 0.040 0.050 36

7/31/2011 3500 6.9 50 7.1 0.61 0.28 1.100 0.150 0.190 250

4/6/2012 100 7.6 908 5 1.14 0.82 0.300 0.041 0.063 170

8/28/2012 21 7.8 201 4 0.33 0.21 0.330 0.035 0.056 26

4/8/2013 1122 6.9 1670 6 2.20 1.41 0.730 0.152 0.187 450

8/29/2013 358 6.8

484 3 0.17 0.37 0.400 0.066 0.077 130

6/17/2014 359 7.6 70 <1 0.08 0.23 0.041 <0.01 0.083 33

8/25/2014 673 7.1 276 <1 0.58 0.49 0.084 0.018 <0.01 87

9/29/2014 112 6.8 121 1 <0.01 0.50 0.087 0.008 0.039 224

5/16/2015 76 7.9 956 3 1.42 1.52 0.334 0.053 0.065 230

7/10/2015 22 7.2 772 3 0.41 1.16 0.247 0.034 0.079 258

10/3/2015 49 7.2 85 1 0.01 0.46 0.073 0.007 0.018 128

4/14/2016 112 7.5 540 1 0.60 0.84 0.220 0.030 0.040 102

5/20/2016 157 7.3 500 1 0.03 0.81 0.250 0.030 0.060 232

8/9/2016 1792 7.4 1320 4 0.02 1.72 0.600 0.060 0.070 347

6/13/2017 1 7.3 121 <1 0.25 0.28 0.036 0.004 0.023 49.6

9/15/2017 1 7.2 1792 <1 0.53 0.83 0.03 0.05 0.093 633

4/27/2018 1 8.0 408 2 0.03 2.24 0.22 0.04 0.067 190

003A

5/18/2018 No Flow

8/27/2018 No Flow

004A 1/14/2010 NA 7.7 432 13 1.35 0.45 0.330 0.060 0.070 82

2/22/2012 N

7.9 387 4 0.40 0.70 0.180 0.047 0.045 32

5/18/2018 N

8.0 126 1 1.03 0.31 0.073 0.017 0.015 29

8/27/2018 N

7.9 67 1 0.78 0.24 0.080 0.009 0.015 58

004B 5/18/2018 No Flow

8/27/2018 No Flow

005A

5/18/2018 7.9 53 ND 0.43 0.17 0.040 0.007 0.009 38

8/27/2018 No Flow

005B

5/18/2018 No Flow

8/27/2018 No Flow

Kmart Pond Inlet

NA 1/14/2010 NA 7.5 944 20 2.72 0.65 0.52 0.10 0.09 200

5/24/2011 N

8.0 58 1.5 0.86 0.09 ND ND 0.09 34

2/22/2012 N

8.2 578 4 0.43 0.70 0.31 0.12 0.07 47

7/16/2013 N

8.2 <10 <1 6.64 0.04 <0.01 <0.001 <0.005 11

3/10/2014 N

8.1 250 2 0.62 0.69 0.07 0.03 0.04 92

Kmart Pond Outlet

7/16/2013 NA 8.3 ND 1 0.01 0.07 ND ND ND 39

Hunters Pointe at Outlet Structure

NA 5/24/2011 NA 8.0 58 1.5 0.86 0.09 0.04 ND ND 34

2/22/2012 NA 8.0 78 6 0.33 0.33 0.04 0.01 0.01 77

7/16/2013 NA 8.3 <10 <1 0.01 0.07 <0.01 <0.001 <0.005 30

3/10/2014 NA 7.9 72 <1 0.44 0.45 0.03 0.01 0.027 39

Henderson Pond Complex at Silsbee

NA 2/22/2012 NA 8.3 490 4 0.20 0.74 0.29 0.06 0.061 44

3/10/2014 N

7.8 6 <1 2.51 0.20 0.01 <0.01 0.023 29

Nature Park Inlet (north of RR)

NA 1/14/2010 NA 7.7 432 13 1.35 0.45 0.330 0.060 0.070 82

2/22/2012 N

7.9 387 4 0.40 0.70 0.180 0.047 0.045 32

Custer Wetland at crossing near

Fairgrounds

NA 3/10/2014 NA 7.8 34 <1 0.22 0.37 0.027 0.009 0.029 43

I-15 Crossing to Regional Pond

NA 3/10/2014 NA 7.9 96 <1 0.42 0.44 0.037 0.014 0.030 48

Custer Regional Pond 6 Overflow

NA 3/10/2014 NA 7.7 49 <1 0.70 0.32 0.023 0.008 0.027 41

DNRC Pond West Inlet

NA 9/14/2017 NA 7.0 300 <1 1.41 0.43 0.056 0.072 0.114 317

DNRC Pond East Inlet

9/14/2017 N

7.2 868 <1 1.51 0.69 0.271 0.036 0.072 435

DNRC Pond Outlet

NA 9/14/2017 NA 7.2 140 <1 1.96 0.33 0.322 0.018 0.105 245

EPA NURP Median Concentration 6 to 9 125 10 2.00 0.41 0.210 0.165 0.040 80

Notes:

Bold = Measured parameter exceeds receiving water standards or 1992 EPA NURP median concentration.

Helena Storm Water Sample Results

Industrial/ Commercial Area

Residential Area

Parameter (mg/L unless shown)

Date

Discharge

Number

Sample Location

Last Chance Gulch at Confluence of Oro

Fino and Grizzly Gulches

Nature Park Inlet (north of RR)

Nature Park Outlet d.s. of Cole Avenue

Henderson Pond Complex Inlet d.s. of

Allision St Pond

Henderson Pond Complex Outlet into

Custer Wetlands

0.0

1.0

2.0

3.0

4.0

5.0

6.0

7.0

8.0

9.0

10.0

Date

Point001A Point002A Standard

0.00

2.00

4.00

6.00

8.00

10.00

12.00

14.00

Phosphorus(mg/L)

Date

Phosphorus

Point001A Point002A Standard

500

1000

1500

2000

2500

3000

3500

TSS(mg/L)

Date

TSS

Point001A Point002A Standard

0.000

0.500

1.000

1.500

2.000

2.500

Zinc(mg/L)

Date

Zinc

Point001A Point002A Standard

O&G(mg/L)

Date

Oil&Grease

Point001A Point002A Standard

0.000

0.050

0.100

0.150

0.200

0.250

0.300

0.350

0.400

0.450

0.500

Lead(mg/L)

Date

Lead

Point001A Point002A Standard

0.5

1.5

2.5

Nitrogen(mg/L)

Date

Nitrogen

Point001A Point002A Standard

0.000

0.050

0.100

0.150

0.200

0.250

0.300

0.350

Copper (mg/L)

Date

Copper

Point001A Point002A Standard

200

400

600

800

1000

1200

1400

COD(mg/L)

Date

COD

Point001A Point002A Standard

MCM1AND2

PublicEducationandOutreach

PublicInvolvementandParticipation



Thefollowingflierwasmailedtoover12,000residentsandbusinessesthatreceiveautilitybill.

Table1:PublicOutreachandEducationKey TargetAudiences



BusinessTypeor

ResidentialBehaviorwith

PotentialforIllicit

Discharge

Descriptionand

RationaleofPotential

IllicitDischarge

PrimaryPotential

Pollutants

BMPforPollutantDisposal,Treatmentor

BehavioralChangetoReduceorEliminate

PotentialIllicitDischarge

BusinessTypes

AutoService/GasStations

Useofautomotive

fluids.Potentialfor

spillingandneedfor

properdisposal.

PetroleumProducts

RequireOil/Waterseparatorsfornewfacilities.

City/CountyDisposalandRecyclingavailable.

Restaurants

Useofcooking

materialssuchasoils,

fatsandgrease.

Potentialforspilling

andneedforproper

disposal.

Oils,fatsand

grease.

Industrialpretreatmentprogram.

Fats,oilsandgreasebrochure.

Requiredtouseandoperateagreasetrap.

Fats,oil,greasedisposalandrecycling.

Inspectionsandrecordkeeping.

CommercialCarWashes

Useofsoapsandwater

towashoffOil/Sand

fromvehicles.

Oil,sand,

phosphorous.

Oil/Sandseparators.

Dischargetosanitarysewer.

IndustrialFacilities

Useofchemicalsand

heavymetals.Potential

forspillingandneedfor

disposal.

VariousHeavy

Metalsand

Chemicals

Industrialpretreatmentprogram.

IndustrialUserPermitRequired.

Inspectionsandrecordkeeping.

ConstructionActivities

Useofconstruction

materialssuchas

wastewaterform

concretewashouts,

whichhavethe

potentialtopollute

downstream

waterwaysifnot

properlycontained.

Sediment,

wastewaterfrom

concretewashouts,

fuels,paintsand

fertilizers.

Requirethatregulatedconstructionactivities

obtaincoverageundertheConstructionGeneral

Permit.

SWPPPreview.

Siteinspections.

ParkingLotsandVehicle

StorageFacilities

Potentialforspilling

andleakingautomotive

fluids.

PetroleumProducts Oil/Sandseparators.

ResidentialBehaviors

VehicleMaintenance

Potentialforspilling

andleakingautomotive

fluids.

PetroleumProducts

Landfilldisposalandrecycling.

Informationalbrochuredistribution.

Citywebsiteinformation.

LawnCare

Useoffertilizers,

pesticidesandweed

controlproducts.

Fertilizers,

pesticides,and

weedcontrol

products.

Landfillacceptsyarddebris.

Informationalbrochuredistribution.

Citywebsiteinformation.

HomeMaintenance

Useofpaintsand

householdchemicals.

Petroleum

products,paint,

cleaningproducts.

Normalhouseholdwastedisposaltosanitary

sewer.

Landfilldisposalandrecycling.

Informationalbrochuredistribution.

Citywebsiteinformation.



MCM3

ILLICITDISCHARGEDETECTIONANDELIMINATION



PermitReference:PartII.A.3.a.i.

TheCityconductsvideosurveysofitsstormwatersystemonaregularbasisandhasnotseen

anyevidenceofsignificantnon‐stormwaterdischargestoitssystem.Assuch,theCityisnot

currentlyawareofanynon‐stormwaterdischargesthatcontributeasignificantamountof

pollutantstothestormwatersystem.AnOrdinanceisinaffectwhichprohibitsillegal

dischargeswhichcontainpollutantsthatcauseorcontributetoaviolationofapplicablewater

qualitystandardsorthatcouldcausetheCitytobeinviolationoftheGeneralPermit.The

specificsectionoftheOrdinancethataddressesillegaldischargescanbefoundinTitle6,

Chapter6‐10oftheCityCodeandacopyoftheOrdinanceisprovidedinAppendixI.Potential

fornon‐stormwaterdischargeswhicharesignificantcontributorsofpollutantswillbereviewed

annuallyandaddressedineachyears’annualreport.

Thefollowingnon‐stormwaterdischargesareexemptfromtheOrdinanceandarenot

consideredanillegaldischarge:waterlineflushingorotherpotablewatersources,landscape

irrigationorlawnwatering,divertedstreamflows,risinggroundwater,groundwaterinfiltration

tostormdrains,uncontaminatedandpumpedgroundwater,foundationorfootingdrains(not

includingactivegroundwaterdewateringsystems),springs,noncommercialwashingofvehicles,

naturalriparianhabitatorwetlandflows,firefightingactivities,routinestreetandutility

maintenance,includingchipsealingandspreadingofgravelandothermaterialsnecessaryto

providesafestreets,andanyotherwatersourcenotcontainingpollutants.



OccasionalIncidentalNon‐StormWaterDischargesnottobeaddressedasIlli citDisc harges

OccasionalIncidentalnon‐

stormwaterdischarge

PotentialPollutants LocalControlsorConditions Reasonfornon‐significance

CharityCarWashes

Sedimentand

Phosphorous

None Infrequentoccurrence

SprinklerSystemOverspray

andbreaks

Chlorine None

Oversprayandbreaksare

usuallyrepairedbytheowner

orreportedbyresidencesor

Citypersonnel.

ResidentialCarWashes

Sedimentand

Phosphorous

None Infrequentandsmallscale

Waterlineflushing Chlorine Useofde‐chlorinationequipment

Useofwatermainflushing

rulesandde‐chlorination

equipment(AppendixD)

MainBreaks Chlorine Isolation/Termination



Rareandunpredictable

FireFighting

ChlorineandFire

SuppressionChemicals

StandardOperatingProcedures EmergencyResponse



Chapter 6

STORMWATER CONTROL

6-6-1: TITLE:

This chapter may be cited as the HELENA STORMWATER CONTROL CHAPTER. (Ord. 3120, 12-21-2009)

6-6-2: PURPOSE:

The purpose of this chapter is to provide for the health, safety, and general welfare of the citizens of the city of Helena by protecting water quality through the regulation

of nonstormwater discharges to the stormwater drainage system to the maximum extent practicable as required by federal and state law. This chapter establishes

methods for controlling the introduction of pollutants into the municipal separate storm sewer system (MS4) in order to comply with requirements of the Montana

pollutant discharge elimination system (MPDES) permit process. The objectives of this chapter are:

A. To regulate the contribution of pollutants to the municipal separate storm sewer system from stormwater discharges by any user.

B. To prohibit illegal connections to and discharges into the municipal separate storm sewer system.

C. To establish legal authority to carry out all inspection, surveillance, and monitoring procedures necessary to ensure compliance with this chapter.

D. To establish legal authority to develop, implement, and enforce a program to address stormwater runoff from new development and redevelopment projects. (Ord.

3120, 12-21-2009)

6-6-3: DEFINITIONS:

For purposes of this chapter, the following definitions apply:

BEST MANAGEMENT PRACTICES (BMPs): Schedules of activities, prohibitions of practices, general good housekeeping practices, pollution prevention and

educational practices, maintenance procedures, and other management practices to prevent or reduce the discharge of pollutants directly or indirectly to stormwater,

receiving waters, or stormwater conveyance systems. BMPs also include treatment practices, operating procedures, and practices to control site runoff, spillage or

leaks, sludge or water disposal, or drainage from raw materials storage.

CONSTRUCTION ACTIVITY: Development and redevelopment projects resulting in any land disturbance including, but not limited to, clearing and grubbing, grading,

excavating, and demolition.

DEPARTMENT: City of Helena public works department.

DETENTION/RETENTION BASINS: A normally dry area designed to capture and hold stormwater. The stormwater may be captured and released at a uniform rate

after the storm peak flow has passed (detention) or the stormwater may be held for evaporation or infiltration into the ground and not released at all (retention).

DISCHARGE: Any direct or indirect nonstormwater discharge to the storm drain system.

HAZARDOUS MATERIALS: Any material, including any substance, waste, or combination thereof, which because of its quantity, concentration, or physical, chemical,

or infectious characteristics may cause, or significantly contribute to, a substantial present or potential hazard to human health, safety, property, or the environment

when improperly treated, stored, transported, disposed of, or otherwise managed. This includes materials defined as hazardous by the United States environmental

protection agency and the Montana department of environmental quality.

ILLEGAL CONNECTIONS: Any drain or conveyance, whether on the surface or subsurface, which allows an illegal discharge to enter the storm drain system including,

but not limited to, any conveyances that allow any nonstormwater discharge, including sewage, processed wastewater, and wash water to enter the storm drain

system, and any connections to the storm drain system from indoor drains and sinks, regardless of whether said drains or connections had been previously allowed,

permitted, or approved by the department, or any drain or conveyance connected from a commercial or industrial land use to the storm drain system which has not

been documented in plans, maps, or equivalent records, and approved by the department.

INDUSTRIAL ACTIVITY: Activities subject to MPDES industrial permits as defined in 40 CFR, section 122.26(b)(14).

MS4: The municipal separate storm sewer system including stormwater drainage facilities and system.

MANMADE DRAINAGEWAY: An open channel designed to carry stormwater.

MONTANA POLLUTANT DISCHARGE ELIMINATION SYSTEM (MPDES) STORMWATER DISCHARGE PERMIT: A permit issued by the Montana department of

environmental quality that authorizes the discharge of pollutants to surface waters of the United States, whether the permit is applicable on an individual, group, or

general areawide basis. Also includes permits issued by the United States environmental protection agency.

NATURAL DRAINAGEWAY: A recognizable drainage which has historically carried storm or runoff water. The drainageway may still be in its native state or may be

partially or totally encroached upon. The limits of the drainageway are considered to be the outermost area of flow for the design storm or the prescribed easement for

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the drainageway.

NONSTORMWATER DISCHARGE: Any discharge to the storm drain system that is not composed entirely of stormwater.

PERSON: Any individual, association, organization, partnership, firm, corporation or other entity recognized by law.

POLLUTANT: Anything which causes or contributes to pollution. Pollutants may include, but are not limited to, paints, varnishes, and solvents; oil and other automotive

fluids; nonhazardous liquid and solid wastes; and refuse, rubbish, garbage, litter, or other discarded or abandoned objects and accumulations, so that same may cause

or contribute to pollution; floatables; pesticides, herbicides, and fertilizers; hazardous materials and wastes; sewage, fecal coliform, and pathogens; dissolved and

particulate metals; animal wastes; wastes and residues that result from constructing a building or structure; and noxious or offensive matter of any kind.

PREMISES: Any building, lot, parcel of land, or portion of land, whether improved or unimproved, including adjacent sidewalks and parking strips.

STORM DRAINAGE SYSTEM OR FACILITIES: City owned or controlled facilities that are part of the MS4 by which stormwater is collected or conveyed, including, but

not limited to, any roads with drainage systems, municipal streets, gutters, curbs, inlets, piped storm drains, pumping facilities, retention and detention basins, natural

and humanmade or altered drainage channels, reservoirs, and other drainage structures.

STORMWATER: Any surface flow, runoff, and drainage consisting entirely of water from any form of natural precipitation, and resulting from such precipitation.

STORMWATER POLLUTION PREVENTION PLAN: A written document which describes the best management practices and activities to be implemented by a person

to identify sources of pollution or contamination at a site, and the actions to eliminate or reduce pollutant discharges to stormwater, stormwater conveyance systems, or

receiving waters to the maximum extent practicable.

STORMWATER UTILITY: A funding mechanism for maintenance and operation of, as well as capital improvements to, the stormwater drainage system. The utility is a

user fee charged equitably to all property within the service area which benefits from the utility.

WASTEWATER: Any water or other liquid, other than uncontaminated stormwater, discharged from a facility. (Ord. 3120, 12-21-2009)

6-6-4: APPLICABILITY:

This chapter applies to all water entering the city's separate stormwater system that is generated on any developed and undeveloped land. (Ord. 3120, 12-21-2009)

6-6-5: STORMWATER UTILITY SERVICE AREA:

The stormwater utility service area is inclusive of all premises annexed to the city and bounded by the incorporated city limits as the same may be adjusted by the city

commission.

The city reserves the right to plan for drainage improvements outside the service area. The city may also construct storm drainage improvements out of the service

area when needed as an integral part of the storm drain facilities located within the service area. (Ord. 3120, 12-21-2009)

6-6-6: RESPONSIBILITY FOR ADMINISTRATION:

The department shall administer, implement, and enforce the provisions of this chapter. Any powers granted or duties imposed upon the department may be delegated

by the department to persons or entities acting in the beneficial interest of or in the employ of the city. (Ord. 3120, 12-21-2009)

6-6-7: COOPERATION WITH THE COUNTY:

The city shall, in all ways and within the limits of its powers, solicit the county to cooperate in providing drainage facilities in stormwater basins, or parts thereof,

extending outside the city and, in general, to carry out the drainage plan developed therein. (Ord. 3120, 12-21-2009)

6-6-8: STORM DRAINAGE MASTER PLAN:

The storm drainage master plan prepared by Stahley and Wright-McLaughlin Engineers and dated April 9, 1980, as well as the application updates of the Davis Gulch

Basin dated May 1985, prepared by Robert Peccia and Associates, and the updates of the Last Chance Gulch Basin, Bull Run Basin and West Area Basin prepared by

Stahley Engineering and Associates, dated May 1989, are hereby adopted by reference and declared to be part of this chapter. The plans are on file in the office of the

city engineer. The city may adopt additional master drainage plan updates by reference and declare them to be a part of this chapter, and copies of such master

drainage plan updates shall be on file in the office of the city engineer. Modifications of the plans may be initiated by the department and submitted to the city

commission for approval. Approved modifications are to be filed in the office of the city engineer. (Ord. 3120, 12-21-2009)

6-6-9: ULTIMATE RESPONSIBILITY:

The standards set forth herein and promulgated pursuant to this chapter are minimum standards; therefore, this chapter does not intend nor imply that compliance by

any person will ensure that there will be no contamination, pollution, or unauthorized discharge of pollutants. (Ord. 3120, 12-21-2009)

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6-6-10: PROHIBITION OF ILLEGAL DISCHARGES:

A. A person may not discharge or cause to be discharged into the MS4 any materials, including, but not limited to, pollutants or waters containing any pollutants that

cause or contribute to a violation of applicable water quality standards or that could cause the city to be in violation of its MPDES phase II permit, other than

stormwater. Any such prohibited discharge is an illegal discharge.

B. The commencement, conduct, or continuance of any illegal discharge to the MS4 is prohibited except as follows:

1. Water line flushing or other potable water sources, landscape irrigation or lawn watering, diverted stream flows, rising groundwater, groundwater infiltration to

storm drains, uncontaminated and pumped groundwater, foundation or footing drains (not including active groundwater dewatering systems), springs,

noncommercial washing of vehicles, natural riparian habitat or wetland flows, firefighting activities, routine street and utility maintenance, including chip sealing

and spreading of gravel and other materials necessary to provide safe streets, and any other water source not containing pollutants;

2. Discharges specified in writing by the department as being necessary to protect public health and safety;

3. Any nonstormwater discharge permitted under an MPDES permit, waiver, or waste discharge order issued to the discharger and administered under the authority

of the federal environmental protection agency, provided that the discharger is in full compliance with all requirements of the permit, waiver, or order and other

applicable laws and regulations, and provided that written approval has been granted for any discharge to the storm drain system; and

4. Other nonstormwater discharges which are not a source of pollutants to the city's MS4 or waters of the United States and are exempted in writing by the

department.

C. It is unlawful to introduce hazardous materials into any drainage system. The originator of any hazardous material spill or introduction is responsible for the material,

and shall pay all applicable investigation and cleanup costs, including the cost of equipment, materials, staff time with fringes, and consultant charges.

D. The city may use available and reasonable testing to identify the source of an illegal discharge including, but not limited to, visual inspections, sample collection and

testing, dye testing, and smoke testing. (Ord. 3120, 12-21-2009)

6-6-11: DRAINAGEWAY PROTECTION:

A. It is unlawful to encroach upon natural or manmade drainageways with:

1. Temporary or permanent structures not approved by the city manager; or

2. Fill material or other material obstructing or restricting natural stormwater flow.

B. Natural or manmade drainageways may be altered under the supervision of, and upon application to, the department under the following circumstances:

1. A roadway crossing, provided drainage is considered in the design and culverts are designed to handle proper flow as specified in the master plan and updates,

or bridges are designed such that the opening is adequate;

2. Improvements such as detention basins; and

3. Slope improvements.

All improvements or changes to drainageways must be designed by a registered professional engineer and submitted for approval to the department. Approval

must be obtained before any on site work commences. (Ord. 3120, 12-21-2009)

6-6-12: PROHIBITION OF ILLEGAL CONNECTIONS:

A. The construction, use, maintenance or continued existence of illegal connections to the storm drain system is prohibited.

B. This prohibition expressly includes, without limitation, illegal connections made in the past, regardless of whether the connection was permissible under law or

practices applicable or prevailing at the time of connection.

C. A person who wishes to connect to the MS4 shall obtain permission from the department to install the connection in accordance with city engineering standards.

(Ord. 3120, 12-21-2009)

6-6-13: SUSPENSION OF MS4 ACCESS:

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A. The department may, without prior notice, suspend MS4 discharge access to a person when such suspension is necessary to stop an actual or threatened discharge

which presents or may present imminent and substantial danger to the environment, or to the health or welfare of persons, or to the MS4 or waters of the United

States. If the violator fails to comply with a suspension order issued in an emergency, the department may take such steps as deemed necessary to prevent or

minimize damage to the MS4 or waters of the United States, or to minimize danger to persons.

B. A person discharging to the MS4 in violation of this chapter may have their MS4 access terminated if such termination would abate or reduce an illegal discharge.

The department will notify a violator of the proposed termination of its MS4 access. The violator may petition the department for a reconsideration and hearing.

C. A person commits an offense if the person reinstates MS4 access to premises terminated pursuant to this section, without the prior approval of the department.

(Ord. 3120, 12-21-2009)

6-6-14: MONITORING OF DISCHARGES:

A. This section applies to all facilities that have stormwater discharges including construction activity.

B. The department is permitted to enter and inspect MS4 facilities subject to regulation under this chapter as often as may be necessary to determine compliance with

this chapter. If a discharger has security measures in force which require proper identification and clearance before entry into its premises, the discharger shall

make the necessary arrangements to allow access to representatives of the department.

C. Facility operators shall allow the department ready access to all parts of the premises for the purposes of inspection, sampling, examination and copying of records

that must be kept under the conditions of an MPDES permit to discharge stormwater, and the performance of any additional duties as defined by state and federal

law.

D. The department has the right to set up on any permitted facility such devices as are necessary in the opinion of the department to conduct monitoring or sampling of

the facility's stormwater discharge.

E. The department has the right to require the discharger to install monitoring equipment as necessary. The facility's sampling and monitoring equipment must be

maintained at all times in a safe and proper operating condition by the discharger at its own expense. All devices used to measure stormwater flow and quality must

be calibrated to ensure their accuracy.

F. Any temporary or permanent obstruction to safe and easy access to the facility to be inspected or sampled must be promptly removed by the operator at the written

or oral request of the department and may not be replaced. The cost of clearing such access is borne by the operator.

G. Unreasonable delay in allowing the department access to a permitted facility is a violation of a stormwater discharge permit and of this chapter. A person who is the

operator of a facility with an MPDES permit to discharge stormwater associated with industrial activity commits an offense if the person denies the department

reasonable access to the permitted facility for the purpose of conducting any activity authorized or required by this chapter.

H. If the department has been refused access to any part of the premises from which stormwater is discharged, and it is able to demonstrate probable cause to believe

that there may be a violation of this chapter, or that there is a need to inspect or sample as part of a routine inspection and sampling program designed to verify

compliance with this chapter or any order issued hereunder, or to protect the overall public health, safety, and welfare of the community, then the city may seek

issuance of a court order from any court of competent jurisdiction. (Ord. 3120, 12-21-2009)

6-6-15: DEVELOPMENT AND REDEVELOPMENT ACTIVITY AND POSTCONSTRUCTION STORMWATER CONTROL:

A. A construction activity stormwater permit is required for construction activity that disturbs one acre or more, including projects disturbing less than one acre that are

part of a larger common plan of development, redevelopment, or sale. A permit may only be issued subsequent to a properly submitted and reviewed permit

application, pursuant to this section.

B. An owner or developer of land required to obtain a construction activity stormwater permit must submit an executed copy of the state standard notice of intent

("NOI") and a stormwater pollution prevention plan prepared and stamped by a licensed professional engineer prior to performing any construction activity.

C. A construction activity stormwater permit will require erosion and sediment controls through the design, installation, and construction of stormwater management

and control practices on the permitted construction site including structural BMPs and elements of site design for construction stormwater management other than

structural BMPs.

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D. The permittee is required to perform regularly scheduled construction activity site inspections at least every fourteen (14) calendar days and within twenty four (24)

hours of a precipitation event to ensure that all BMPs have been constructed and are functioning properly. The permittee must document all inspections in writing

and make inspection records available to the department for review.

E. Commencement of construction work on development or redevelopment projects that disturbs one acre or more, including projects disturbing less than one acre that

are part of a larger common plan of development, may not begin until such time as a permit is issued and final approval of the drainage plan if required below is

obtained in accordance with this chapter.

F. Any person subject to a construction activity MPDES stormwater discharge permit shall comply with all provisions of such permit. Proof of compliance with said

permit may be required in a form acceptable to the department prior to the allowing of discharges to the MS4.

G. In order to address postconstruction stormwater runoff, all owners or developers of property that are required to submit a drainage plan shall provide the stormwater

facilities necessary for the drainage and control of flood and surface waters within stormwater basins and shall provide the facilities required to convey such waters

from the stormwater basin to major drainageways. The cost of installing stormwater facilities in the service area is charged in whole or in part against the property in

the service area.

H. All owners or developers applying for any of the following permits or approvals shall submit a drainage plan for approval, prepared and stamped by a professional

engineer, with the application or request:

1. Major subdivision plat approval;

2. Minor subdivision plat approval;

3. Building permits where the impervious development coverage within the property is five thousand (5,000) or more square feet, or where development is in an

area critical to the functioning of the MS4 as determined by the department; and

4. Planned unit development (PUD).

I. The same plan submitted during one permit or approval process may be subsequently submitted with other required applications. The plan must be supplemented

with such additional information as may be requested by the department.

J. The drainage plan requirement established in this section applies except when the owner or developer demonstrates to the satisfaction of the department that the

proposed use of the property:

1. Will neither seriously nor adversely impact the water quality conditions of any affected receiving bodies of water;

2. Will not alter the surface discharge location, alter the drainage pattern on adjoining properties, alter drainage patterns, increase the discharge, or cause any other

adverse effects in the drainage area; and

3. Will not alter the subsurface drainage patterns, flow rates and discharge points, or result in any significant adverse effects to property or residents.

K. Drainage plans shall be prepared by a certified engineer in accordance with current hydraulic hydrology practices and hydrology design standards and shall be

consistent with the storm drain master plan. Drainage plans shall consist of drainage calculations and mitigation of stormwater drainage and include contour lines as

necessary and explicitly describe the stormwater drainage system, including any required detention areas.

L. All required storm drainage plans must be submitted for review by and approval of the department. At the time of approval of the drainage plan for the subject

property, a schedule for inspection of required construction and facilities will be established by the department. (Ord. 3120, 12-21-2009)

6-6-16: CREDIT FOR CONSTRUCTION OF STORM DRAINAGE FACILITIES:

If the department requires an owner or developer to construct stormwater facilities that serve more than that development and are identified in the storm drain master

plan, a portion of the actual costs incurred may be eligible for credit from the city's stormwater drainage assessment. To be eligible for credit, prior to final approval of

the development agreement, the owner or developer must submit a report to the stormwater utility detailing the proposed improvements and obtain the city's approval

of the report. The report must identify all elements of the project eligible for credit and include a detailed project description, a project bid form with estimated quantities,

unit prices, engineering design and construction management costs. The report also must provide an accurate quantity and cost delineation between the proposed

stormwater improvements necessary to meet the standard requirements of the development. The books and records of the owner or developer relating to the

stormwater facilities for which the utility is providing reimbursement must be open to the city at all reasonable times for the purpose of auditing or verifying costs. The

department will recommend inclusion of the cost of improvements eligible for credit in the next available budget submitted to the city commission. Upon approval and

appropriation by the city commission, such costs will be credited from the storm drainage fund. (Ord. 3120, 12-21-2009)

6-6-17: RESPONSIBILITY FOR ACCEPTED STORMWATER FACILITIES:

All stormwater facilities constructed, installed, or provided hereunder, upon acceptance by the city, are the property of the city and thereafter the city is responsible for

the operation and maintenance of the facilities. The city shall maintain all accepted public stormwater facilities located within city owned land, city rights of way and city

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easements. (Ord. 3120, 12-21-2009)

6-6-18: RESPONSIBILITY FOR PRIVATE STORM DRAINAGE FACILITIES:

Property owners who install private storm drainage facilities that are not connected to the MS4 and not accepted by the city are required to perform maintenance of all

private storm drainage facilities to ensure that those facilities function as designed. (Ord. 3120, 12-21-2009)

6-6-19: APPLICABILITY TO GOVERNMENTAL ENTITIES:

All governmental entities are required to submit a drainage plan and comply with the terms of this chapter when developing or improving land including, but not limited

to, road construction and reconstruction and other improvements that can affect stormwater runoff within the city. (Ord. 3120, 12-21-2009)

6-6-20: REQUIREMENT TO USE BEST MANAGEMENT PRACTICES:

The department will adopt requirements identifying BMPs for any activity, operation, or facility which may cause or contribute to pollution or contamination of

stormwater, the storm drain system, or waters of the U.S. The owner or operator of a commercial or industrial establishment shall provide, at the owner's own expense,

reasonable protection from the accidental discharge of prohibited materials or other wastes into the MS4 or watercourses through the use of these structural and

nonstructural BMPs. Further, any person responsible for a property or premises that is or may be the source of an illegal discharge, may be required to implement, at

said person's expense, additional structural and nonstructural BMPs to prevent the further discharge of pollutants to the municipal separate storm sewer system.

Compliance with all terms and conditions of a valid MPDES permit authorizing the discharge of stormwater associated with industrial activity, to the extent practicable,

is deemed compliance with the provisions of this section. Adopted BMPs shall be part of a stormwater pollution prevention plan (SWPPP) as necessary for compliance

with requirements of the MPDES permit. (Ord. 3120, 12-21-2009)

6-6-21: NOTIFICATION OF SPILLS:

Notwithstanding other requirements of law, as soon as any person responsible for a facility or operation, or responsible for emergency response for a facility or

operation has information of any known or suspected release of materials which are resulting or may result in illegal discharges or pollutants discharging into

stormwater, the storm drain system, or waters of the U.S. that person shall take all necessary steps to ensure the discovery, containment, and cleanup of such release.

In the event of such a release of hazardous materials that person shall immediately notify emergency response agencies of the occurrence via emergency dispatch

services. In the event of a release of nonhazardous materials, said person shall notify the department in person or by phone, electronic mail, or facsimile no later than

the next business day. Notification in person or by phone must be confirmed by written notice addressed and mailed to the department within three (3) business days of

the phone notice. If the discharge of prohibited materials emanates from a commercial or industrial establishment, the owner or operator of such establishment shall

also retain an on site written record of the discharge and the actions taken to prevent its recurrence. Such records must be retained for at least three (3) years. (Ord.

3120, 12-21-2009)

6-6-22: MANAGEMENT OF MUNICIPAL SEPARATE STORMWATER SYSTEM:

A. The purpose of the stormwater utility rates and charges established by the city commission is to generate sufficient revenue to pay all costs for the operation,

maintenance, administration and routine functions of the existing MS4 and the operation, maintenance and administration of such future storm drainage facilities as

may be established within or without the service area and to pay for the review of drainage plans, and the design, right of way acquisition and construction or

reconstruction of stormwater facilities. All of the proceeds are deemed to be in payment for use of the city stormwater system.

B. The department shall determine the total annual cost of operation and maintenance of the stormwater system. The total annual cost of operation and maintenance

includes, but is not limited to, labor, repairs, equipment replacement, maintenance, necessary modifications, power, sampling, laboratory tests and a reasonable

contingency fund. Capital improvement priorities are determined by the city commission, and utility rates shall be passed in the same manner as all other special

assessments. All assessments are set by resolution after public hearing.

C. The city may assess a user fee upon all assessable property within the service area. This charge must appear on yearly property tax statements distributed by the

county or by individual billing where necessary. The property owner shall pay the fee directly to the county and the county shall then pay the city the fee in the same

manner as all other special fees and assessments. The city reserves the right to pursue further legal action to remedy nonpayment. Nonpayment constitutes a lien

on the property, as are other taxes and assessments, in accordance with state law.

D. The rates, charges, and rentals are deemed prima facie fair, reasonable, and equitable. In any case where any contention is made that the rates are unfair,

inequitable, or unreasonable, the party objecting thereto shall apply to the city, stating the facts and grounds of the complaint, and the city shall investigate and

report with recommendations to the city commission. The city shall consider each and every such complaint and report, and communicate such findings in respect

thereto to the city commission within one month after the filing of each such complaint. The city commission has the right to order public hearings as to any such

matter and, if convinced that an adjustment of stormwater utility rates or charges for such lot or parcel of land is necessary to provide equality with those charged to

others, it shall so provide. (Ord. 3120, 12-21-2009)

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6-6-23: VIOLATIONS AND CIVIL ENFORCEMENT:

A. Whenever the department finds that a person has violated a prohibition or failed to meet a requirement of this chapter, the department may order compliance by

written notice of violation to the responsible person. Such notice may require without limitation:

1. The performance of monitoring, analyses, and reporting;

2. The elimination of illegal connections or discharges;

3. That violating discharges, practices, or operations shall cease and desist;

4. The abatement or remediation of stormwater pollution or contamination hazards and the restoration of any affected property;

5. Payment of restitution for remediation costs;

6. The implementation of source control or treatment BMPs; and

7. The cessation of any construction or postconstruction work not permitted according to this chapter.

B. If abatement of a violation or restoration of affected property is required, the notice will set forth a deadline within which such remediation or restoration must be

completed. Said notice will further advise that, should the violator fail to remediate or restore within the established deadline, the work may be done by the city and

the expense thereof may be levied against the real property of the violator.

C. If the violation has not been corrected pursuant to the requirements set forth in the notice of violation, then the department may enter upon the subject private

property and is authorized to take any and all measures necessary to abate the violation or restore the property. The total cost thereof may be assessed against the

real property of the violator in the same manner as a property tax. It is unlawful for any person, owner, agent or person in possession of any premises to refuse to

allow the department or designated contractor to enter upon the premises for the purposes set forth above. (Ord. 3120, 12-21-2009)

6-6-24: VIOLATIONS AND CRIMINAL ENFORCEMENT:

Violations of this chapter may also subject the violator to a fine in any sum not to exceed five hundred dollars ($500.00), or imprisonment in the county jail for a period

not to exceed thirty (30) days, or both such fine and imprisonment. The department may recover all attorney fees, court costs, and other expenses associated with

enforcement of this chapter, including sampling and monitoring expenses. (Ord. 3120, 12-21-2009)

6-6-25: INJUNCTIVE RELIEF:

It is unlawful for any person to violate any provision or fail to comply with any of the requirements of this chapter. If a person has violated or continues to violate the

provisions of this chapter, the city may petition for a preliminary or permanent injunction restraining the person from activities which would create further violations or

compelling the person to perform abatement or remediation of the violation. (Ord. 3120, 12-21-2009)

6-6-26: REMEDIES NOT EXCLUSIVE:

The remedies listed in this chapter are not exclusive of any other remedies available under any applicable federal or state law, and it is within the discretion of the city

to seek cumulative remedies. (Ord. 3120, 12-21-2009)

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Enforcement Response Plan for

Stormwater Management Template Page 1

ENFORCEMENT RESPONSE PLAN FOR STORMWATER MANAGEMENT WITHIN

THE CITY OFHELENA, MONTANA

December 2018

Introduction

In accordance with the General Permit for Storm Water Discharge Associated with Small Municipal

Separate Storm Sewer System (MS4), issued by the Montana Department of Environmental Quality

(DEQ), the City of Helena is required to develop and implement an Enforcement Response Plan (ERP) to

ensure compliance with stormwater regulations. The purpose of this ERP is to specify criteria by which

City personnel can determine the enforcement action most appropriate to instances of non-compliance

and communicate how the enforcement tools available to City personnel will be used to achieve

compliance following violations of the City’s stormwater regulations. This document addresses the

Montana DEQ MS4 General Permit’s ERP requirements for the following Minimum Control Measures

(MCM’s):

 MCM 4: Illicit Discharge Detection and Elimination

 MCM 5: Construction Site Storm Water Management

 MCM 6: Post-Construction Site Storm Water Management in New and Redevelopment

The procedures within this ERP have been developed with the following objectives in mind:

 Prevent pollutants from entering the MS4 and causing environmental harm.

 Communicate definitions for non-compliance.

 Establish appropriate enforcement action based on the nature and severity of the violation.

 Promote consistent and timely use of enforcement tools.

 Ensure that violators return to compliance in a timely manner.

 Recover costs incurred by the City due to operator non-compliance.

 Promote compliance through education and compliance assistance first and, if necessary,

penalties second.

The City of Helena has the authority to enforce stormwater regulations under Title 6: Public Utilities,

Chapter 6: Stormwater Control of its municipal code which covers:

 Illicit Discharge Detection and Elimination under 6-6-10

 Construction Site Storm Water management under 6-6-15

 Post-Construction Site Storm Water Management under 6-6-15

 Enforcement under 6-6-24

A complete copy of the City Code regulating stormwater is included in Appendix I of the Storm Water

Management Plan.

Acronyms

The following acronyms shall have the following meaning:

DEQ Department of Environmental Quality

ERP Enforcement Response Plan

MCM Minimum Control Measure

MS4 Municipal Separate Storm Sewer System

NOV Notice of Violation

SWO Stop Work Order

1. Enforcement Response Plan Overview

The enforcement process consists of six basic steps beginning with identification of a violation and

concluding with closing the complaint. The overall process is shown within the flowchart below and is

further explained within the following sections.

Enforcement Response Flowchart for the

City of Helena Stormwater Management Program

Identify &

Document the

Violation

Determine

Appropriate

Level of

Response

Select &

Implement

Appropriate

Res

onse

Compliance

Achieved?

Close Complaint

Follow up

Call/Visit

2. Determining the Appropriate Level of Response

Once a potential violation is identified, the appropriate level of response should be determined and an

appropriate response remedy should then be selected. The City has five levels of responses, each of

which is briefly described below.

2.1 Level 1: No Enforcement Action

There may be situations where city personnel are made aware of a potential violation; however,

sufficient evidence does not exist to prove a violation is taking place. An example of such situation

may be if a complaint is received stating that a private stormwater control has not been properly

maintained; however, after a brief site inspection and/or verbal discussion, the City staff determines

the stormwater control is within compliance and no enforcement action is required. In such situations

the potential violation and response should be documented using the Enforcement Response

Documentation Form (Attachment A) so that it can be referenced in the future, if necessary.

2.2 Level 2: Informal Response

The City will pursue compliance to stormwater violations through informal methods whenever

reasonable. Informal responses include telephone notification, verbal notice or meeting These

methods are appropriate for situations where education is needed, violations do not pose a significant

threat to human health or the environment, or the City believes that compliance can be achieved

without the use of formal measures. In addition, implementation of informal measures often

establishes the documentation necessary to implement formal enforcement actions if informal

measures do not result in compliance.

i.) Telephone Notification/Verbal Notice

A telephone notification or verbal notice will be used to obtain additional information

pertaining to a potential violation or to resolve an infrequent violation. The initial contact will

take place within 24 hours of determining a potential violation. At a minimum, the

conversation shall be documented with the following information: date/time call placed, the

City staff member who initiated contact, the person contacted (responsible party), and the

content of the conversation.

ii.) Meetings

A meeting will be requested with the responsible party when necessary to implement clean

up. The meeting will serve to educate the responsible party regarding the violation and to

discuss measures which shall be taken to correct the violation. The meeting will be

conducted by Storm Water Coordinator or Utility Maintenance Supervisor. At a minimum, the

meeting shall be documented with the following information: meeting location, date/time of

meeting, meeting attendees, content of the conversation, and agreements made at the

meeting.

2.3 Level 3: Civil Enforcement

As allowed by City Ordinance: Whenever the City of Helena finds that a person has violated a

prohibition or failed to meet a requirement of the Helena Stormwater Control Chapter, the City of

Helena may order compliance by written notice of violation to the responsible person. Such notice

may require without limitation:

1. The performance of monitoring, analyses, and reporting;

2. The elimination of illegal connections or discharges;

3. That violating discharges, practices, or operations shall cease and desist;

4. The abatement or remediation of stormwater pollution or contamination hazards and the restoration

of any affected property;

5. Payment of restitution for remediation costs;

6. The implementation of source control or treatment BMPs; and

7. The cessation of any construction or postconstruction work not permitted according to this chapter.

B. If abatement of a violation or restoration of affected property is required, the notice will set forth a

deadline within which such remediation or restoration must be completed. Said notice will further

advise that, should the violator fail to remediate or restore within the established deadline, the work

may be done by the city and the expense thereof may be levied against the real property of the

violator.

C. If the violation has not been corrected pursuant to the requirements set forth in the notice of

violation, then the department may enter upon the subject private property and is authorized to take

any and all measures necessary to abate the violation or restore the property. The total cost thereof

may be assessed against the real property of the violator in the same manner as a property tax. It is

unlawful for any person, owner, agent or person in possession of any premises to refuse to allow the

department or designated contractor to enter upon the premises for the purposes set forth above.

(Ord. 3120, 12-21-2009)

i.) Administrative Order

An administrative order is a formal enforcement document which requires the responsible

party to either cease the specified activity or implement specified corrective measures. An

administrative order will be issued when informal remedies have been pursued and have not

resulted in compliance.

ii.) Notice of Violation

A NOV is an official communication from the City to the responsible party which informs the

party that a violation has occurred. It will be issued for relatively minor or infrequent violations

of the City’s stormwater ordinances and requirements. It is a prompt response to violations

and documents the initial attempts of the City to resolve the violation.

The NOV will include the following information: the specific violation, photos (if possible),

timeframe and actions required to return to compliance, and a warning that further

enforcement action may be taken for failure to comply.

NOV's shall be sent via certified mail/return receipt or hand delivered and signed by the

responsible party within 10 working days after discovery of the violation.

iii.) Stop Work Order

A SWO is applicable to construction site stormwater management violations. It is a notice

which informs the construction site operator that a stormwater management violation is

ongoing and work is not allowed to continue until the matter is resolved. The SWO will be

issued for failure to comply with a NOV or for significant violations of the City’s construction

site stormwater requirements that require immediate action. The SWO will include the

following information: the specific violation, contact information for the City personnel who

must be contacted to discuss required remediation procedures, the timeframe for which the

City must be contacted to discuss the situation, and a warning which notifies the site operator

that failure to comply will result in formal enforcement actions.

iv.) Compliance Schedule

A compliance schedule directs the responsible party to address the violation and restore

compliance by a specified date. A compliance schedule will be issued when clean up does

not occur within 10 business days of the date of the NOV. The schedule will include the

following: the specific violation, noncompliance (document the City’s previous attempts to

achieve compliance), state required actions to be completed by the responsible party, and

the dates by which the actions must be completed to return to compliance.

Note that issuance of a compliance schedule does not necessarily relieve the responsible

party of having to meet any existing stormwater control commitments, nor protect the

responsible party from having additional fines levied for other violations during the

compliance schedule period.

v.) Monetary Penalty

As allowed by City Ordinace The originator of any hazardous material spill or introduction is

responsible for the material, and shall pay all applicable investigation and cleanup costs,

including the cost of equipment, materials, staff time with fringes, and consultant charges.

2.4 Level 4: Violations and Criminal Enforcement

As allowed by City Ordinance: Violations of this chapter may also subject the violator to a fine in any

sum not to exceed five hundred dollars ($500.00), or imprisonment in the county jail for a period not

to exceed thirty (30) days, or both such fine and imprisonment. The department may recover all

attorney fees, court costs, and other expenses associated with enforcement of this chapter, including

sampling and monitoring expenses. (Ord. 3120, 12-21-2009)

i.) Civil Penalties

If necessary, a civil suit will be used to recover costs borne by the City in responding to the

responsible party’s noncompliance.

ii.) Criminal Penalties

Criminal prosecution is a formal process of charging the responsible party with violations of

ordinance provisions that are punishable, upon conviction, by fines and/or imprisonment.

2.5 Additional Considerations

The following criteria will be considered to aid in determining the correct level of response:

i.) Magnitude

A minor isolated instance of non-compliance will typically be considered non-significant and

addressed with informal responses; however, isolated incidents which may cause damage to

the MS4 or pose a threat to human health and/or the environment will be considered

significant and necessitate a formal enforcement action.

ii.) Duration

Regardless of magnitude, violations which continue over prolonged periods of time will result

in escalated enforcement actions.

iii.) Compliance History

The responsible party’s compliance history will be an important factor in determining the

appropriate remedy to apply. The City has the authority to issue informal notices for the less

severe violation if the responsible party has a good compliance history; however, recurring

violations may lead the City to escalate the level of response in a shorter time-frame than

usual.

iv.) Good Faith of the Operator

Good Faith is a characteristic of actions which show that the responsible party is intending to

achieve compliance in a timely manner. If the responsible party is attempting in good faith to

correct the violation the City’s enforcement responses may be less severe; however, potential

threats to human health and the environment will always take precedence when considering

whether or not to base the City’s level of response on the good faith of the responsible party.

In addition, while the responsible party’s good faith in correcting its noncompliance may be a

factor in determining which enforcement response is suitable, good faith does not preclude

the responsible party from enforcement action.

3. Notification of Spills

Notwithstanding other requirements of law, as soon as any person responsible for a facility or operation,

or responsible for emergency response for a facility or operation has information of any known or

suspected release of materials which are resulting or may result in illegal discharges or pollutants

discharging into stormwater, the storm drain system, or waters of the U.S. that person shall take all

necessary steps to ensure the discovery, containment, and cleanup of such release. In the event of such

a release of hazardous materials that person shall immediately notify emergency response agencies of

the occurrence via emergency dispatch services. In the event of a release of nonhazardous materials,

said person shall notify the department in person or by phone, electronic mail, or facsimile no later than

the next business day. Notification in person or by phone must be confirmed by written notice addressed

and mailed to the department within three (3) business days of the phone notice. If the discharge of

prohibited materials emanates from a commercial or industrial establishment, the owner or operator of

such establishment shall also retain an on-site written record of the discharge and the actions taken to

prevent its recurrence. Such records must be retained for at least three (3) years.

(Ord.3120, 12-21-2009)

4. Enforcement Roles and Responsibilities

All significant violations and the responses shall be reported to the Storm Water Coordinator or Utility

Maintenance Supervisor and the Public Works Director. The Public Works Director and City Attorney will

be copied on all formal Enforcement Responses. The Public Works Director will consult with the City

Attorney and City Administrator in Judicial Actions.

Glossary of Terms

Administrative Fine - A monetary penalty assessed by the City to the responsible party for a violation of

the City’s stormwater management requirements.

Administrative Order - A formal enforcement document which requires the responsible party to either

cease the specified activity or implement specified corrective measures.

Compliance Schedule - A schedule of required activities necessary for a responsible party to achieve

compliance with specified stormwater program requirements.

Consent Decree - An agreement between the City and the responsible party reached after a lawsuit has

been filed.

Criminal Prosecution - A formal process of charging the responsible party with violations of ordinance

provisions that are punishable, upon conviction, by fines and/or imprisonment.

Good Faith Effort - A characteristic of actions which show that the responsible party is intending to

achieve compliance in a timely manner.

Injunctive Relief - A court order which directs the responsible party to cease a specified action or

behavior.

Judicial Action - An enforcement action that involves a court. (The action may either be civil or criminal

in nature).

Notice of Violation - An official communication from the City to the responsible party which informs the

party that a violation has occurred.

Responsible Party – The person or organization responsible for a violation.

ATTACHMENT A

ENFORCEMENT RESPONSE DOCUMENTATION FORM

City Personnel Involved

Date

Description of Violation

Location of Violation (address)

( ) -

Responsible Party Telephone

Street City Zip

Description of Violation:

Level of Response Selected Remedy Date for Follow-Up

Additional Notes:

HighPriorityOutfallsfortheCityofHelena

Outfall

No.

Drainage

Basin

OutfallBMP

Outfall

Conveyance

StreetLocation

3



HendersonRetentionPondComplex

24inch

SilsbeeAveandMitchellnear

Fairgrounds

24inch

4 FairgroundsDetentionPond 16inch FairgroundseastofArena

5 NorthStoneMeadowsDetentionPond 8inch AndesiteAveandcrystalspringscreek

6 CentralStoneMeadowsDetentionPond 10inch BentonAveandFlagstoneAve

7 SouthStoneMeadowsDetentionPond 8Inch BentonAvesouthofObsidianAve

8 CrystalSpringsDetentionPond OpenChannel BentonandWillowbrook

9 CountyShopDetentionBasin OpenChannel EofNBentonandWillowbrookDrive



Source: Esri, DigitalGlobe, GeoEye, Earthstar Geographics, CNES/Airbus DS, USDA, USGS, AEX, Getmapping, Aerogrid, IGN, IGP, swisstopo, and the GIS

User Community

PATH: G:\PROJECTS\HELENA_CITY_OF\SWMP 2017\MAP_DOCS\FIGURE A.5_PRIORITY DRAINAGE BASINS MAP.MXD - USER: SSAVAGE - DATE: 12/21/2016

PRIORITY DRAINAGE BASINS MAP

FIGURE A.5

CITY OF HELENA, MT

CITY OF HELENA STORM WATER MANAGEMENT PLAN (DECEMBER 2016)

0 1,500

Feet

DATA SOURCE: (ESRI, City of Helena)

LEGEND

Regional Pond

Existing Outfall

Storm Drain

City Limits

Tenmile Creek

Crystal Springs

Creek

Priority Drainage Basin

Overlook Pond

Allison Pond

Henderson Pond

Nature Park Pond

Kmart Ponds

Simmons Pond

Helena Valley

Irrigation Canal

Specific to Traditional MS4s and per requirements f.iii in the referenced MCM, attach the summary

of investigations conducted and corrective actions taken per the required Illicit Discharge

Investigation and Corrective Action Plan and any associated documents.



Noillicitdischargeswerereportedordetectedduring2018.

MCM5

POSTCONSTRUCTIONSITESTORMWATERMANAGMENT



Post-Construction Stormwater

Management Control Inspection Form

Template Page 1

POST-CONSTRUCTION STORMWATER MANAGEMENT CONTROL INSPECTION FORM

General Information

Site Name (if Applicable):

Type of Control:

Location:

Site Owner:

Phone Number:

Responsible Party:

Phone Number:

Date of Inspection: Start/End Time:

Inspector’s Name: Inspector’s Title:

Inspector’s Contact Information (phone):

Type of Inspection:

 Routine, Dry Weather  Routine, Wet Weather  Complaint Response

 Other ________________

Weather Information

Weather at time of this inspection:

 Clear  Cloudy  Raining  Sleet  Fog  Snowing  High Winds

 Other: Temperature:

Do you suspect that any physical changes or damages to the stormwater management control may

have occurred since the last inspection?

Yes No

Are there any stormwater discharges at the time of inspection? Yes No

If yes, provide location(s) and a description of stormwater discharged from the site (presence of

suspended sediment, turbid water, discoloration and/or oil sheen, odor, etc…)

Prohibited Discharges

Are there any prohibited discharges at the time of inspection and/or any signs of prohibited discharges

since the last inspection? Yes No

If yes, provide location(s) and a description:

Post-Construction Stormwater

Management Control Inspection Form

Template Page 2

Desired Conditions Findings

Corrective Action Needed

& Notes

1 There is no excessive sediment

deposition.

Yes

No

N/A

2 Slopes are well stabilized and are

not contributing sediment to the

stormwater management control.

Yes

No

N/A

3 There is no scour in swales or other

vegetated areas.

Yes

No

N/A

4 Trash racks, inlets, outlets, and low

flow orifices are clear of trash,

debris, and sediment.

Yes

No

N/A

5 There is no woody vegetation

impeding the performance of any

structural component of the

stormwater management control.

Yes

No

N/A

6 Outfall structures do not show signs

of settling, cracking, bulging,

misalignment or other structural

deterioration.

Yes

No

N/A

7 Embankments, emergency

spillways, side slopes or inlet/outlet

structures show no signs of erosion.

Yes

No

N/A

8 Pipes going into and/or out of any

stormwater management control are

unclogged and unobstructed.

Yes

No

N/A

9 There is no evidence of animal

burrows.

Yes

No

N/A

10 There is no trash or debris in the

stormwater management control.

Yes

No

N/A

11 There are no encroachments on the

stormwater management control.

Yes

No

N/A

Post-Construction Stormwater

Management Control Inspection Form

Template Page 3

Desired Conditions Findings

Corrective Action Needed

& Notes

12 All necessary repairs to safety

devices such as fences, gates,

covers or locks are complete.

Yes

No

N/A

13 There is not excessive algae or

vegetation in the pond/ditch.

Yes

No

N/A

14 The ground surface stabilization is

retaining any highly erosive or

unstable soils, seed germination is

being properly facilitated, and any

netting or blankets are properly

fastened to obtain full contact with

the ground.

Yes

No

N/A

15 Stormwater control appears to be

functioning properly.

Yes

No

N/A

16 Are there locations where additional

stormwater management controls

appear to be necessary?

Yes

No

N/A

17 (Other) Yes

No

N/A

Describe any incidents of non-compliance or need for maintenance not described above:

Follow-up inspection required? Yes No

Inspector’s Signature

Date

The City of Helena uses a GIS database to record all new post-construction storm water controls.

Following is summary of 2018 activity:

Inventory of all new permittee-owned post-construction storm water management

controls

 None in 2018

Inventory of all private post-construction storm water management controls.

 Winco - storm water pond and storm pipe

 Bryant School - storm water quality pond and LID facilities

 Central School – storm water quality pond and storm pipe

 Willowbrook Apartments – storm water retention ponds

Post-Construction Stormwater Controls

Inspection Frequency Determination Template Page 1

CITY OF HELENA

DEPARTMENT OF PUBLIC WORKS

ENGINEERING DIVISION

POST-CONSTRUCTION STORMWATER MANAGEMENT CONTROL

INSPECTION FREQUENCY DETERMINATION PROTOCOL

Criteria Rating System

INSPECTION

FREQUENCY

Pre-determined priority of the control

Non High-Priority Per below

High-Priority Annually

Proximity to a surface water

Drains to a regional storm water

pond

Complaint based

Drains overland and through storm

system prior to MS4 outfall

Every 5 years

Discharges to a waterbody

Annually

Drainage Area Treated

Up to 10 acres

per this table

Greater than 10 acres

Every 5 years

Type of Facility

City owned priority stormwater pond

Annually

City owned regional stormwater

pond

Every 5 years

Private regionals storm water pond

Every 5 years

Private storm water pond serving

one lot

Complaint based

HighPriorityandRegionalPostConstructionStormWaterManagementControls(PCSWMC)



Regional

Watershed

MS4

Drainage

Basin

HighPriority

PCSWMC

(AnnualInspection)

RegionalPCSWMC MS4OutfallBasin

PricklyPear

Creek

BullRun

and

Airport

Yes AirportRetentionR‐910 OutfalltoBullRun

BullRun

Area

 CrossroadsDetention R910

 AspenMeadowsDetention R910

 JeanetteRankinDetention R910

 AspenMeadowsRetention R910

 AirportDetentio nPond2 R910

 Hunter’sPointDetention R910

 MountainWestBankDetention R910

 NobHillRetentionPond1 R910

 NobHillRetentionPond2 R910

 NobHillDetentionPond1 R910

 NicholeStreetDetention R910

 NobHillDetention4 R910

 HelenaRegionalDetention OutfalltoBullRun

FarEast

Area

Yes AspenMeadowsRetentionPond3 OutfalltoFarEast

Yes AspenMeadowsDetentionPond4 OutfalltoFarEast

Yes AspenMeadowsDetentionPond5 AspenMeadowsDetentionPond4

Davis

Gulch

Yes DavisGulchPond OutfalltoDavisGulch

Yes KmartPond DavisGulchPond

 DNRCPond DavisGulchPond

 HelenaHighPond DavisGulchPond

Tenmile

Creek

Last

Chance

Gulch

Yes NatureParkPond OutfalltoLastChanceGulch

Westside

Area

Yes OverlookPond OutfalltoSpringMeadowsPonds

Yes SimmonsPond OutfalltoSpringMeadowsPonds

Yes HendersonPond OutfalltoSpringCreek

Yes AllisonStreetPond HendersonPond



Simmons Pond

Overlook Pond

Henderson Pond

Allison Pond

Nature Park Pond

Davis Gulch Ponds

Kmart Ponds

Helena Regional Detention

Airport Retention

R-910

Aspen Meadows

Retention Pond

Aspen Meadows

Retention 3 Pond

Aspen Meadows

Retention 4 & 5

Ponds

Source: Esri, DigitalGlobe, GeoEye, Earthstar Geographics, CNES/Airbus DS, USDA, USGS, AEX, Getmapping, Aerogrid, IGN, IGP, swisstopo, and the GIS

User Community

PATH: G:\PROJECTS\HELENA_CITY_OF\SWMP 2017\MAP_DOCS\FIGURE A.2_REGIONAL STORM WATER PONDS & TREATMENT B ASINS MAP.MXD - USER: SSAVAGE - DATE: 12/21/2016

REGIONAL STORM WATER PONDS & TREATMENT BASINS MAP

FIGURE A.2

CITY OF HELENA, MT

CITY OF HELENA STORM WATER MANAGEMENT PLAN (DECEMBER 2016)

0 0.50.25

Miles

DATA SOURCE: (ESRI, City of Helena)

LEGEND

Regional Pond

Storm Drain

City Limits

Nature Park

Regional Pond Basin

Davis Gulch

Regional Pond Basin

Airport Retention R-910

Regional Pond Basin

Overlook Regional

Pond Basin

Henderson

Regional Pond Basin

Aspen Meadows Retention

Regional Pond Basin

Simmons Regional

Pond Basin

Aspen Meadows Retention 3

Regional Pond Basin

Aspen Meadows Retention

4 & 5 Regional Pond Basin

Tenmile Creek

Prickly Pear Creek

Helena Detention

Regional Pond Basin

WWTP Effluent Canal

Helena Valley

Irrigation Canal

MCM6

POLLUTIONPREVENTIONANDGOODHOUSEKEEPING



Minimum Control Measure 6: Pollution

Prevention/Good Housekeeping for Permittee

Operations

The City of Helena (City) operates and maintains permittee owned facilities and conducts activities

including training with the intent of reducing pollutant runoff from permittee operations, and ultimately

from its MS4 outfalls. Under MCM 6, the General Permit requires permittees to develop and

implement an operation and maintenance program that has three primary components:

 An inventory of permittee owned/operated facilities and activities that have the potential to

release contaminants to the MS4.

 Standard operating procedures (SOPs) for facilities and activities that identify storm water

pollution prevention controls to be installed, implemented and/or maintained to minimize the

discharge of pollutants.

 A program to conduct annual storm water pollution prevention training for all permittee staff

directly involved with implementing SOPs.

The following sections describe the City’s approach to addressing the General Permit’s Pollution

Prevention/Good Housekeeping requirements.

1.0 Inventory of Permittee Owned/Operated Facilities and

Activities

In accordance with Part II.A.6.a.i of the MS4 General Permit, this section provides an inventory of

the City’s facilities and activities that have the potential to release contaminants to the MS4.

1.1 Facility Inventory

The City’s facilities are separated into two categories, Tier 1 and Tier 2 facilities.

 Tier 1 facilities have an increased potential to release contaminants to the MS4 due to the

type of pollutants generated or stored at these facilities (e.g., oils, hazardous materials, etc.).

Examples of Tier 1 facilities include waste handling areas and vehicle fleet maintenance

areas. Tier 1 facilities are identified in Table 1. The City has developed facility-specific storm

water pollution prevention SOPs for these facilities.

 Tier 2 facilities have less potential to release contaminants to the MS4 due to the decreased

risk of exposure associated with activities taking place at these facilities. Examples of Tier 2

facilities include parks and parking lots. A summary of tier 2 facilities is provided in Table 2

and a comprehensive list is provided in Table A-1 (Appendix A). The City has developed

activity-based storm water pollution prevent SOPs for these facilities (the type of activities

being conducted at each Tier 2 facility will govern which SOP(s) are to be implemented).

A map that shows locations of City facilities is provided in Appendix A.

Table 1: Tier 1 City Facilities that have the Potential to Release Contaminants to the MS4

Facility Information

Person Responsible for Pollution

Prevention

Potential Contaminants

Name Address Name Title

Sediment

Nutrients

Trash

Metals

Bacteria

Oil, Grease, Fuel

Organics

Pesticides/Herbicides

Hazardous Waste

Wastewater Treatment

Facility

2218 E Custer Ave Mark Fitzwater Supervisor X X X X X

Solid Waste Transfer

Station

1975 N Benton Ave Pete Anderson Superintendent X X X X XXXXX

Utility Maintenance Shop 2218 E Custer Ave Kevin Hart Superintendent X X X

Sanitation Storage 3001 East Lyndale Ave Pete Anderson Superintendent X X X X X

Vehicle Maintenance 3001 East Lyndale Ave David Knoepke Superintendent X X X

Capital Transit

1415 North Montana

Ave

Elroy Goleman Superintendent X X X

Parks Maintenance Shop 1201 N Ewing St Craig Marr Superintendent X X XXXX

Missouri River Water

Treatment Plant

2560 Canyon Ferry Rd Jason Fladland Supervisor X X X

Ten Mile Water Treatment

Plant

1115 Rimini Rd Jason Fladland Supervisor X X X

Fire Department 300 Neill Ave Mark Emert Fire Chief X X X

Nutrients in runoff are typically nitrogen and phosphorus pollutants from fertilizers, pet, and yard waste

Hazardous waste is typically any biological, chemical, or physical material that are potentially harmful to human

health or the environment. Examples include antifreeze, householder cleaners, and paints.

Table 2. Tier 2 Facility Summary

Facility Information

Person Responsible for Pollution

Prevention

Potential Contaminants

Facility Type Department Name Title

Sediment

Nutrients

Trash

Metals

Bacteria

Oil, Grease, Fuel

Organics

Pesticides/Herbicides

Hazardous Waste

Building Community Facilities Troy Sampson Director X X X X

Park Parks/Recreation Craig Marr Director X X X X X X

Open Space Parks/Recreation Brad Langsather Manager X X

Parking Lot Parking Commission Dave Hewitt Director X X X

Parking Garage Parking Commission Dave Hewitt Director X X X

City Streets Public Works David Knoepke Superintendent X X X X X X X X

Utilities

Public Works David Knoepke

Interim

Superintendent

X X X X XXXX

Lift Station Public Works Jason Fladland Supervisor X X X

Storage Tank Public Works Jason Fladland Supervisor

Water distribution, wastewater collection and conveyance, and storm water collection and conveyance.

1.2 Activity Inventory

Table 3 identifies City activities that have the potential to release contaminants to the MS4. Similar

activities have been grouped into nine categories. The City will develop one SOP for each category

to describe procedures to be used to minimize the potential discharge of contaminants associated

with these activities.

Table 3. City Activities that have the Potential to Release Contaminants to the MS4

SOP Category Activity

Potential Pollutants

Sediment

Nutrients

Trash

Metals

Bacteria

Oil, Grease, Fuel

Organics

Pesticides/Herbicides

Hazardous Waste

Landscaping

Mowing X X

Tree Trimming X X

Fertilizer/pesticide/herbicide application X X

Planting X

Equipment fueling X

Street

Maintenance and

Repairs

Street sweeping X X X X X X X

Chip sealing X X

Asphalt and concrete cutting X X

Asphalt and concrete resurfacing X X

Curb and crosswalk painting X X

Pothole repair X

Winter Street

Operations

Street sanding X X

Snow removal and storage X X X

Street deicing X X

Parking Lot

Maintenance

Sweeping/cleaning X X X X X X X

Parking lot striping X X

Snow removal and storage X X X

Utility

Maintenance

Water line repairs

X X

Water line flushing X X

Sanitary sewer line repairs X X X X X

Storm sewer line repairs X X

Catch basin cleaning X X X X X X X X

Excavation and stockpiles X X

Solid Waste

Management

Dumpster and receptacle management

X X X X X X X

Solid waste collection X X X X X X X

Building

Maintenance

Sidewalk snow removal

X X X

Dumpster and receptacle management X X X X X X X

Shop and Fleet

Services

Vehicle fueling

X X

Vehicle and equipment storage X X

Vehicle washing X X

Materials storage X X

Vehicle maintenance X X

Spills Spill response and containment X X X X X X

Table 4 identifies applicable SOPs to be implemented for Tier 2 facilities. A comprehensive list of

Tier 2 facilities is provided in Table A-1 (Appendix A).

Table 4. SOPs for Tier 2 Facilities

Facility Information

pplicable SOPs

Tier 2

Facility Type

Department

Responsible for

Pollution Prevention

Landscaping

Street Maintenance

and Repairs

Winter Street

Operations

Parking Lot

Maintenance

Utility Maintenance

Solid Waste

Management

Building Maintenance

Shop and Fleet

Services

Spills

Building Community Facilities X X X X X

Park Parks/Recreation X X

Open Space Parks/Recreation X

Parking Lot Parking Commission X X

Parking Garage Parking Commission X X

City Streets Public Works X X

Utilities Public Works X X

Lift Station Public Works X

Storage Tank Public Works

1.3 SOP Development

The City has two categories of storm water pollution prevention SOPs: facility-specific and activity-

based. The list of SOPs to be developed is provided in Table 5.

Table 5. Storm Water Pollution Prevention SOPs

SOP Name

Facility-Based SOPs

(Tier 1 Facilities)

Wastewater Treatment Facility

Solid Waste Transfer Station

Utility Maintenance Shop

Sanitation Storage

Vehicle Maintenance Facility

Capital Transit

Parks Maintenance Shop

Missouri River Water Treatment Plant

Ten Mile Water Treatment Plant

Fire Department

Activity-Based SOPs

(Tier 2 Facilities)

Landscaping

Street Maintenance and Repairs

Winter Street Operations

Parking Lot Maintenance

Utility Maintenance

Fire Department

Solid Waste Management

Building Maintenance

Shop and Fleet Services

Spills

1.4 SOP Training

Persons responsible for pollution prevention at City facilities will conduct or oversee annual storm

water pollution prevention training for all permittee staff directly involved with implementing SOPs.

For newly created SOPs, trainings will be conducted during the next permit year after development

of the SOP.

Appendix A. Tier 2 Facility List and Map

PATH: G:\PROJECTS\HELENA_CITY_OF\SWMP 2017-2022\MAP_DOCS\SOPS\COH_FACILITYBASEMAP_2.MXD - USER: MPETERSO - DATE: 2/7/2019

CITY OWNED FACILITIES

CITY OF HELENA - 2018 SWMP

CITY OF HELENA - 2018 SWMP SOP'S

0 3,000

Feet

SOURCE: ESRI, CITY OF HELENA

LEGEND

²³

Community Facility

Fire Station

Maintenance Facility

IA Parking Lot

Water or Wastewater Facility

?> Regional Stormwater Pond

City Parks

Solid Waste Facility

City Limits

Missouri River WTP

To Ten Mile WTP

1115 Rimini Rd

Tenmile Creek

WWTP

Effluent Canal

Helena Valley

Irrigation Canal

Prickly Pear Creek

Table A-1. Tier 2 City Facilities

Department

Name Address

Community Facilities

Capital Transit Office Building 1415 N Montana Ave

Chamber of Commerce Building 225 Cruse Ave

City County Admin Building 316 N Park Ave

Grandstreet Theater 325 N Park Ave

Helena Civic Center 340 Neill Ave

Lewis and Clark Library 120 S Last Chance Gulch

Helena Police Department 221 Breckenridge St

Parks/Recreation

Bill Roberts Golf Course 2201 N Benton Ave

Barney Park 1950 Cleveland St

Batch Park 2101 N Benton Ave

Bausch Park 1200 N Last Chance Gulch

Beattie Park 1400 Helena Ave

Bullrun Park 766 S California St

Centennial Park 1977 N Benton Ave

Charles Van Hook Wetland 55 Silsbee Ave

Cherry Hill Park 900 Cherry Ave

Clinton Park 350 S Beattie St

Constitution Park 301 N Last Chance Gulch

Cruse Park 551 N Last Chance Gulch

Crystal Springs Park 232 Willowbrook Dr

Cunningham Park 1234 Flowerree St

Dale Harris Park 279 S Cruse Ave

Diehl Hill 575 Diehl Dr

Donaldson Park 3187 Cabernet Dr

Fire Tower Park 111 S Cruse Ave

Gold Park 2250 Gold Ave

Heritage Park 201 S Last Chance Gulch

Hill Park 561 N Park Ave

Janet Park 525 Janet St

Jaycee Park 3276 N Benton Ave

Kay McKenna Park 740 Getchell St

Kessler Park 501 N Davis St

Last Chance Splash Waterpark 1203 N Last Chance Gulch

Leo Pocha Park 310 State St

Department

Name Address

Parks/Recreation

Lincoln Park 1398 Poplar St

Lockey Park 1700 E Broadway St

Meatloaf Hill Park Touch Stone Dr

Memorial Park & Adjacent Area 1203 N Last Chance Gulch

Mount Helena Park 81 Reeders Village Dr

Mountain View Park 375 S Alice St

Mountain View Park 2 2964 Powderhorn Ct

Nob Hill Park 3010 Saddle Dr

Northwest Park 100 Valley Dr

Oakes Street Parcel S Oakes St & Belt View Dr

Performance Square 11 N L Chance Gulch

Pioneer Park 201 S Park Ave

Pioneer Village Park 1 Colter Loop Dr

Reber PUD 2000 University St

Reeder's Alley 525 Adams St

Ridge View Condos 73 Comstock Rd

Robinson Park 1724 Townsend Ave

Ryan Park 30 W Custer Ave

Selma Held Park 2749 Belt View Dr

Siebel Soccer Complex 2250 Skyway Dr

Sixth Ward Park 1235 Bozeman St

Skelton Park 875 Road Runner St

Tracy Park 2450 Tracy Dr

Waukesha Park 1600 Waukesha Ave

Wesleyan Park 801 Helena Ave

Women's Park 575 Fuller Ave

Yund Park 601 N Benton Ave

Parking Commission

Parking Lot 230-314 S Park Ave

Parking Lot 49 S Park Ave

Parking Lot 5 Wong St

Parking Lot 308 N Jackson St

Parking Lot 350 N Jackson St

Parking Lot 225 Cruse Ave

Parking Lot 150 Cruse Ave

Parking Lot 91 E Broadway St

Parking Lot 340 N Benton Ave

Department

Name Address

Parking

Commission

15th St. Parking Garage 15 W 15

6th Ave Parking Garage 39 W 6

Ave

Getchell St. Parking Garage 801 Getchell St

Jackson St Parking Garage 201 Jackson St

Jackson St Parking Lot 336 N Jackson St

Last Change Gulch Parking Garage 125 N L Chance Gulch

Public Works

Waste Water Lift Station 444 Andesite Ave

Municipal Storage Tank 1301 MT Helena Dr

Municipal Storage Tank 1966 Lime Kiln Rd

Municipal Storage Tank 250 Clancy St

Municipal Storage Tank 702 Touchstone Dr

Activities associated with each SOP category are provided in Table 3

Appendix B. Stormwater Pollution Prevention SOPs

Page1of3



CITY OF HELENA

STORM WATER POLLUTION PREVENTION

TANDARD OPERATING PROCEDURE

CATEGORY:

Landscaping

SOP NUMBER:

01



ISSUE DATE:

2/15/2019

ACTIVITIES:

Mowing

Tree Trimming

Fertilizer/Pesticide/Herbicide Application

Planting

Equipment Fueling

ARGET POLLUTANTS:

Sediment

Nutrients

Oil & Grease

Organics

Pesticides/Herbicides

GENERAL

THIS SOP IS NOT EXPECTED TO COVER ALL NECESSARY PROCEDURE ACTIONS. OPERATORS ARE ALLOWED TO ADAPT SOPS TO

UNIQUE SITE CONDITIONS IN GOOD JUDGMENT WHEN IT IS NECESSARY FOR SAFETY AND THE PROPER AND EFFECTIVE CONTAINMENT OF

POLLUTANTS

ESCRIPTION OF ACTIVITIES AND POLLUTANT SOURCE

Landscaping activities that have the potential to discharge pollutants to storm water runoff include

mowing, tree trimming, fertilizer/pesticide/herbicide application, planting, and equipment fueling. These

activities occur at most City owned buildings and City parks.



APPLICABILITY

The procedures outlined in this SOP shall be implemented by all employees conducting landscaping

activities at City owned facilities.

EST MANAGEMENT PRACTICES (TO BE IMPLEMENTED FOR ALL LANDSCAPING ACTIVITIES)

 Locate all storm drain collection structures and inlets prior to starting work.

 Use temporary catch basin protection when necessary.

 Inspect equipment for gas and oil leaks prior to use.

 Promptly clean up spills in accordance with the spill response and containment SOP.

 Collect and dispose of all trash in the work area.

 Equipment cleaning and maintenance is to be completed at the Vehicle or Parks Maintenance

Shop.

THE FOLLOWING ACTIVITY PROCEDURES SHOULD BE FOLLOWED FOR EACH LISTED ACTIVITY

MOWING

City staff are responsible for maintaining grassy areas at City owned buildings and City parks. Mowing

includes the operation of mowers, trimmers, edgers, and blowers to maintain aesthetics of City managed

grassy areas. A variety of pollutants can be introduced to the storm water system while mowing.

Implement the following procedures to minimize potential for storm water pollution during the mowing

process:

 Adjust mower height to match the area’s intended use and minimize clippings.

 Avoid excessive soil and vegetation damage by varying mowing patterns.

 When bagging clippings ensure appropriate collection, transportation, and disposal of all clippings.

 Sweep or blow clippings from sidewalks and streets to grass areas when work is complete.

Page2of3



CITY OF HELENA

STORM WATER POLLUTION PREVENTION

TANDARD OPERATING PROCEDURE

CATEGORY:

Landscaping

SOP NUMBER:

01



ISSUE DATE:

2/15/2019

 Dispose of clippings at the City Transfer Station.

REE TRIMMING

City Staff perform routine care for trees and shrubs at City owned buildings and City parks. Tree trimming

includes the operation of trimmers, chippers, and blowers to maintain aesthetics of City managed trees

and shrubs. Oil, grease, fuel, and organics can be introduced to the storm water system while trimming.

Implement the following procedures to minimize potential for pollution during the trimming process:

 Collect all trimmings and debris in the area when work is complete.

 Sweep or blow chips from pavement(s) into soil areas.

 Dispose of trimmings and debris at the City chip and mulch processing yard.

ERTILIZER/PESTICIDE/HERBICIDE APPLICATION

Properly trained and certified persons perform routine care for grassy areas at City owned buildings and

City parks. Fertilizer, pesticide, and herbicide application includes the operation of sprayers and spreaders

to maintain health of City managed grassy and vegetated areas. A variety of nutrients and chemicals can

be introduced to the storm water system during treatment. Implement the following procedures to

minimize potential for pollution in the fertilizer/pesticide/herbicide application process:

 Avoid application within a minimum of 20 feet of surface water and 100 feet of a City well head.

 Read and review all product information prior to use. This information includes but is not limited to,

safety data sheets, product instructions, and federal and state regulations governing use.

 Calibrate application equipment to avoid excessive material application.

 Check the weather forecast. Wind and or rain conditions (current and future) may not be

acceptable for application. Do not use pesticides if rain is expected within a 24-hour period and

only apply when wind speeds are less than 5 mph.

 Mix and prepare pesticides away from storm drains and soils, preferably inside a protected area

within a watertight secondary container.

 Employ appropriate techniques to minimize off-target application of fertilizer and pesticides, spray

drift and over broadcasting are possible pollutants to the storm water system.

 Clean spills immediately and follow product specified procedures.

 Rinse application equipment away from water bodies and storm drains. Do not dispose of

chemicals to storm drain, sewer, or ground surface.

 Dispose of excess material following manufacturer’s instructions.

LANTING

Planting includes digging, planting/seeding, and backfilling to maintain aesthetics of City managed land.

Sediment and nutrients can be introduced to the storm water system during planting if proper procedures

are not followed. Implement the following procedures to minimize potential for pollution when planting:

 Prior to digging call Montana 811 by dialing 811 or 800-424-5555 to locate underground facilities.

 While digging place spoils near the hole for ease of backfilling, avoid placing spoils in or near the

gutter, a storm drain, or water body.

 Do not add excessive amounts of compost or fertilizer while backfilling.

 Apply seed and cover using pre-determined application method and rate.

 Sweep dirt from surrounding pavement(s) into the planter area.

Page3of3



CITY OF HELENA

STORM WATER POLLUTION PREVENTION

TANDARD OPERATING PROCEDURE

CATEGORY:

Landscaping

SOP NUMBER:

01



ISSUE DATE:

2/15/2019

 Remove extra spoils from the site responsibly, use a tarp if necessary to contain spoils during

transport.

 Transport spoils to at the City chip and mulch processing yard.

 Larger planting projects may require installation of temporary storm water BMPs such as silt fence

and biorolls. Contact the City storm water engineer to discuss pollution prevention for planting

projects that are near water bodies and will take more than two days to complete.

QUIPMENT FUELING

Equipment fueling applies to all gas, diesel, or kerosene vehicles and equipment required for maintenance

of City facilities. Harmful chemicals can be introduced to the storm water system if spills occur while fueling

equipment. Implement the following procedures to minimize pollution during fueling:

 Use the fuel automatic shut off (where applicable) to prevent overfilling, and do not ‘top off’ the

tank.

 Mobile fueling should be minimized, whenever practical transport vehicles and equipment to

designated fueling areas.

 When fueling small equipment from portable containers, fuel in an area a minimum of 50 feet

away from storm drains and water bodies.

 If a large fuel spill occurs (greater than 1 gallon), contact the City storm water engineer and your

supervisor to determine if specialized sill response procedures are necessary.



Page1of3



CITY OF HELENA

STORM WATER POLLUTION PREVENTION

TANDARD OPERATING PROCEDURE

CATEGORY:

Shop and Fleet Services

SOP NUMBER:

02



ISSUE DATE:

2/15/2019

ACTIVITIES:

Vehicle Fueling

Vehicle and Equipment Storage

Vehicle Washing

Material Storage

Vehicle Maintenance

ARGET POLLUTANTS:

Sediment

Oil, Grease, Fuel

Organics

Hazardous Waste

GENERAL

THIS SOP IS NOT EXPECTED TO COVER ALL NECESSARY PROCEDURE ACTIONS. OPERATORS ARE ALLOWED TO ADAPT SOPS TO

UNIQUE SITE CONDITIONS IN GOOD JUDGMENT WHEN IT IS NECESSARY FOR SAFETY AND THE PROPER AND EFFECTIVE CONTAINMENT OF

POLLUTANTS

ESCRIPTION OF ACTIVITIES AND POLLUTANT SOURCE

The shop and fleet service activities that have the potential to discharge pollutants to storm water runoff

include vehicle fueling, vehicle and equipment storage, vehicle washing, material storage, and vehicle

maintenance. Pollutants associated with these activities include sediment, oil, grease, fuel, organics, and

hazardous waste. The majority of the City’s shop and fleet service activities occur at the Vehicle

Maintenance facility, Parks Maintenance Shop, and Capital Transit facility.



APPLICABILITY

The procedures outlined in this SOP shall be implemented by all employees conducting shop and fleet

services at City owned facilities.

EST MANAGEMENT PRACTICES (TO BE IMPLEMENTED FOR ALL SHOP AND FLEET SERVICE ACTIVITIES)

 Inspect vehicles and equipment for gas and oil leaks prior to use.

 Promptly clean up spills in accordance with the spill response and containment SOP.

 Collect and dispose of all trash in the work area.

 Keep work and storage areas clean for easy detection of leaks and spills.

 Equipment cleaning and maintenance is to be completed at the Vehicle, Parks, or Capital Transit

Maintenance facility.

THE FOLLOWING ACTIVITY PROCEDURES SHOULD BE FOLLOWED FOR EACH LISTED ACTIVITY

VEHICLE FUELING

Vehicle fueling applies to all gas and diesel vehicles used by City facilities staff. Harmful chemicals can be

introduced to the storm water system if spills occur while fueling. Implement the following procedures to

minimize potential pollution during fueling:

a) Shut off the vehicle prior to fueling.

b) Fuel vehicles at approved locations.

c) Inspect fueling location for corrosion, leaks, cracks, scratches, and other physical damage that

may lead to spills.

d) Follow all posted warnings.

Page2of3



CITY OF HELENA

STORM WATER POLLUTION PREVENTION

TANDARD OPERATING PROCEDURE

CATEGORY:

Shop and Fleet Services

SOP NUMBER:

02



ISSUE DATE:

2/15/2019

e) Use the fuel automatic shut off (where applicable) to prevent overfilling, and do not ‘top off’ the

tank.

f) Remain by the fill nozzle while fueling.

g) Mobile fueling should be minimized, whenever practical transport vehicles to designated fueling

areas.

h) If a large fuel spill occurs (greater than 1 gallon), contact the City storm water engineer and your

supervisor to determine if specialized spill response procedures are necessary.

EHICLE AND EQUIPMENT STORAGE

Vehicles and equipment stored for any period of time have the potential to leak, spill, or release chemicals

or hazardous materials into the storm water system. Storage occurs at numerous City owned facilities.

Implement the following procedures to minimize potential pollution during vehicle and equipment storage:

a) Whenever possible, store vehicles and equipment inside where floor drains are not connected to

the storm sewer system.

b) Vehicles and equipment stored outside shall be in approved locations away from storm drain inlets.

c) Monitor stored vehicles and equipment closely for leaks, use a drip pan as needed.

d) Drain fluids from leaking or wrecked vehicles as soon as possible. Dispose of fluids properly, as

directed by the facility’s superintendent.

EHICLE WASHING

Vehicle washing removes snow, ice, mud, and dirt from the surface of vehicles. Washing occurs in the

Vehicle Maintenance facility washing bay, the Capital Transit facility washing bay, or other approved

locations. Pollutants associated with vehicle washing include sediment, oil, grease, and fuel. Implement

the following procedures to minimize potential pollution during vehicle washing:

a) Wash vehicles in designated areas only, with drainage connecting to the sanitary sewer system.

b) Avoid using excess water and soap when washing vehicles.

c) Never wash vehicles over or near a storm drain.

d) Use hoses with automatic shut off nozzles to minimize water usage.

ATERIAL STORAGE

Material storage applies to automotive products, fertilizers, pesticides, paints, chemicals, and other similar

materials. Material storage includes proper handling through unloading, use, storage, and disposal. Indoor

and outdoor storage occurs at the Vehicle Maintenance, Capital Transit, and Parks Maintenance facilities.

Implement the following procedures to minimize potential pollution during material storage:

a) Store materials indoors or under cover whenever possible.

b) Store materials on elevated surfaces, limiting contact with storm water run-off when possible.

c) Provide an adequate storage container for all materials.

d) Inspect storage areas and containers regularly for leaks, spills, and proper storage of all materials.

e) Properly dispose of materials that are outdated or beyond use.

f) All hazardous materials must be labeled and stored according to manufacturer instructions.

g) Use secondary containment as needed to prevent contact with storm water in the event of a leak.

Page3of3



CITY OF HELENA

STORM WATER POLLUTION PREVENTION

TANDARD OPERATING PROCEDURE

CATEGORY:

Shop and Fleet Services

SOP NUMBER:

02



ISSUE DATE:

2/15/2019

VEHICLE MAINTENANCE

Vehicle maintenance is routine for all city owned vehicles. Preventative maintenance will occur at the

Vehicle Maintenance facility and Capital Transit facility, while emergency repairs may require off-site work.

Potential pollutants associated with vehicle maintenance are oil, antifreeze, brake fluid, solvents, batteries,

fuels, and cleaners. Implement the following procedures to minimize potential pollution during vehicle

maintenance:

a) Perform maintenance activities in a designated maintenance bay at the Vehicle Maintenance

facility or Capital Transit facility whenever possible.

b) If outdoor work is required, prevent spilling through use of oil pans or similar devices.

c) Use absorbent pads and drip pans when necessary.

d) Keep equipment clean and do not allow excessive build-up of oil and grease.

e) Perform regular preventative maintenance to minimize occurrence of leaks and major repairs.

f) Dispose of used fluids, rags, and absorbent pads appropriately at the landfill.



Storm Water Pollution Prevention Standard Operating

Procedures

for:

Vehicle Maintenance Facility

3001 East Lyndale Ave

Helena, MT, 59601

(406) 447-1565

SOP Preparation Date: January 2019

City of Helena Public Works Department

Storm Water Management Program

City of Helena Montana | STORM WATER MANAGEMENT PROGRAM STANDARD OPERATING PROCEDURES

Vehicle Maintenance Facility

January 2019

SECTION 1.0 Facility Description and Contact Information

1.1 Facility Information

Facility Information

Name of Facility: Vehicle Maintenance Facility

Street: 3001 East Lyndale Ave

City: Helena State: MT ZIP Code: 59601

Discharge Information

Drainage Basin: Bull Run

Drainage Basin Receiving Waterbody: Prickly Pear Creek

Does this facility discharge storm water directly into any segment of a receiving waterbody?

☐Yes ☒No

Permit Information

Is this facility permitted by an MPDES Permit (in addition to MS4)? ☐Yes ☒No

If Yes, identify other discharge permits: ____________________

1.2 Contact Information/Responsible Parties

Facility Superintendent:

Name: David Knoepke

Telephone number: (406) 447-1565

Email address: dknoepke@helenamt.gov

City Storm Water Management Program Coordinator:

Storm Water Management Contact Name (Primary): Matt Culpo

Telephone number: (406) 447-8073

Email address: mculpo@helenamt.gov

1.3 Storm Water Pollution Prevention Team

The storm water pollution prevention team is responsible for implementing and maintaining storm water

control measures/BMPs, and taking corrective actions when required.

Name Position/Title Individual Responsibilities

David Knoepke

Utilities Maintenance Division Interim

Superintendent

Site storm water lead

J.D. Foreman Fleet Coordinator Fleet maintenance storm water lead

Robert Williamson Traffic Tech III Traffic storm water lead

Harlan Erskine Street Supervisor Streets storm water lead

For purposes of this document, direct discharge refers to site runoff discharging directly into a stream or other receiving

waterbody immediately upon leaving the bounds of the site or facility.

City of Helena Montana | STORM WATER MANAGEMENT PROGRAM STANDARD OPERATING PROCEDURES

Vehicle Maintenance Facility

January 2019

1.4 Site Description

The Vehicle Maintenance Facility, located at 3001 East Lyndale Ave, includes Fleet Maintenance (City

Shop), Streets Division, and the Traffic Division. Fleet Maintenance services include preventative

maintenance and repairs to the City’s fleet of vehicles and equipment, acquisition and disposal of vehicles

and equipment, and fuel billing services. Streets Division services include sweeping, plowing, sanding, snow

removal, asphalt projects, pothole repair, and street maintenance. The Traffic Division is primarily a

maintenance division responsible for pavement and curb markings, signal repair and maintenance, sign

installation and repairs, and traffic data collection. A site plan of the approximately 5 acre facility is provided

in Figure 1.

1.5 Purpose and Limitations

This standard operating procedures (SOP) document identifies potential storm water pollutants that could be

discharged from the site and storm water pollution best management practices (BMPs) to be installed,

implemented, and maintained to minimize the discharge of pollutants from storm water runoff. The potential

pollutants and BMPs identified in the document only address management of storm water associated with

municipal activities. Management of potential pollutants covered under separate permits (i.e., storm water

discharges associated with industrial activity) are not addressed in this document.

This document is not expected to cover all necessary procedure actions. Operators are allowed to adapt

SOPs to unique site conditions in good judgment when it is necessary for safety, and the proper and

effective containment of pollutants.

City of Helena Montana | STORM WATER MANAGEMENT PROGRAM STANDARD OPERATING PROCEDURES

Vehicle Maintenance Facility

January 2019

Figure 1. Vehicle Maintenance Facility Site Plan

City of Helena Montana | STORM WATER MANAGEMENT PROGRAM STANDARD OPERATING PROCEDURES

Vehicle Maintenance Facility

January 2019

SECTION 2.0 Potential Storm Water Pollutant Sources

This section describes potential storm water pollutant sources associated with the Vehicle Maintenance

facility.

2.1 Potential Storm Water Pollutants Associated with Facility Activities

The Vehicle Maintenance facility’s primary operations consist of shop and fleet services, street maintenance

and repairs, winter street operations, and parking lot maintenance. A list of activities with the potential to

discharge pollutants to the storm drainage system associated with this facility is provided in Table 1.

Measures to be taken to reduce the potential for discharge of pollutants associated with these activities are

identified in Section 3.2.2.

Table 1. Vehicle Maintenance Facility Activities and Potential Storm Water Pollutants

Activity

Potential Pollutants

Sediment

Nutrients

Trash

Metals

Bacteria

Oil, Grease, Fuel

Organics

Pesticides/Herbicides

Hazardous Waste

Landscaping

X X X X X

Street Maintenance and Repairs

X X X X X X X X

Winter Street Operations

X X X X

Parking Lot Maintenance

X X X X X X X X

Catch basin cleaning

X X X X X X X X

Excavation and stockpiles (only stockpiles) X X

Building Maintenance X X X X X X X X

Shop and Fleet Services X X X

1. Activity performed off-site.

2.2 Spills and Leaks

Table 2 provides a list of locations where spills that would discharge contaminants to the storm drain system

could occur. Spill response protocol is described in Section 3.2.3.

Table 2. Areas Where Potential Spills/Leaks Could Occur

Location Discharge Point

Vehicle bays Interior

Magnesium chloride storage tank Sheet flow to valley gutter, then to French drain

City of Helena Montana | STORM WATER MANAGEMENT PROGRAM STANDARD OPERATING PROCEDURES

Vehicle Maintenance Facility

January 2019

SECTION 3.0 Storm Water Control Measures

This section describes the storm water BMPs to be installed, implemented, and maintained to minimize the

discharge of pollutants from storm water runoff at the facility.

3.1 Structural BMPs

3.1.1 Storm Water Drainage System

The site is located within the Bull Run watershed which discharges to Prickly Pear Creek. The facility

drainage system is composed of a French drain, concrete valley gutter, and a retention pond:

 The French drain is located northwest of the vehicle maintenance facility.

 The retention pond is located in the northeast corner of the property.

 The concrete valley gutter runs parallel to the south and west walls of the building, connecting to the

French drain.

The facility’s storm water drainage system features are shown on the site plan in Figure 1.

3.1.2 Permanent Storm Water Management BMPs

BMP Locations

Site storm water runoff quality and quantity is controlled by the French drain northwest of the Vehicle

Maintenance facility and the retention pond located at the northeast corner of the site. A sweeper truck

washout facility is located north of the maintenance shop as shown in Figure 1.

BMP Inspection and Maintenance

The facility superintendent is responsible to inspect and direct maintenance of the site’s storm water BMPs:

 Inspect the valley gutters on a monthly basis and following rain events for sediment, debris, and

structural damage. Sediment and debris should be removed to prevent clogging of the facility’s

French drain.

 The French drain and retention pond should be inspected annually in the spring. Debris should be

removed. The BMPs should also be monitored during rainfall events to verify they are functioning

properly. If water does not infiltrate within 48 hours contact

Dave Knopke to request rehabilitation of

the BMP.

 The sweeper truck washout should be inspected prior to each use by the sweeper truck operator. If

the facility is full of sediment or debris

excavate material and dispose of in the landfill.

3.1.3 Chemical and Bulk Fuel Storage

The facility has a magnesium chloride storage tank onsite in an enclosed container east of the winter sand

storage. Contact Dave Knopke if the tank is leaking or there is a spill present, and begin to contain the

leaking or spilled fluid.

City of Helena Montana | STORM WATER MANAGEMENT PROGRAM STANDARD OPERATING PROCEDURES

Vehicle Maintenance Facility

January 2019

3.2 Non-Structural BMPs

3.2.1 Employee Training

Fleet maintenance staff, streets staff, and traffic staff shall all receive annual training on updates to the

division SOPs. Additionally, new hires are to be trained on the SOPs within 90 days of their hire date.

Training should be conducted by the division’s storm water lead.

3.2.2 Good Housekeeping

Good housekeeping procedures to be implemented by facility staff are listed in Table 3.

Table 3. Vehicle Maintenance Facility Storm Water Management Good Housekeeping Procedures

Activity Responsible Person/Position

BMP to Reduce Potential for

Pollution

Landscaping

Craig Marr Follow Landscaping SOP

Street Maintenance and Repairs Dave Knopke

Follow Street Maintenance and

Repairs SOP

Winter Street Operations

Dave Knopke Follow Winter Street Operations SOP

Parking Lot Maintenance

Dave Knopke Follow Parking Lot Maintenance SOP

Catch basin cleaning

Dave Knopke

Follow Utility Maintenance SOP

Excavation and stockpiles (only stockpiles) Dave Knopke

Building Maintenance Troy Sampson Follow Building Maintenance SOP

Shop and Fleet Services Dave Knopke Follow Shop and Fleet Services SOP

3.2.3 Spill Response

Spill response and cleanup is addressed by employee training, discussed in Section 3.2.1. Spill response

procedures are provided below.

Facility Spill Kit

The facility has two spill kits located in the mechanics office and in the vehicle bay area, both are in 5-gallon

buckets. The spill kit contains the following items:

 Absorbent Pads

 Bags of Floor Dry

 Booms

 Disposal Bags

 Safety Goggles

 Rubber Gloves

 Respirator

Minor Spill Response Procedure

A minor spill is defined as one that poses no significant threat to human health or the environment. These

spills generally involve less than 5 gallons and can usually be cleaned up by City personnel. Other

characteristics of a minor spill include:

 The spilled material is easily stopped or controlled at the time of the spill

 The spill is localized

 The spilled material is not likely to reach surface water or groundwater

City of Helena Montana | STORM WATER MANAGEMENT PROGRAM STANDARD OPERATING PROCEDURES

Vehicle Maintenance Facility

January 2019

 There is little danger to human health

 There is little danger of explosion

Use the following procedures in response to a minor spill:

1. Immediately notify the facility superintendent of the spill.

2. If necessary, physically contain the spill to prevent further migration from the facility or project site.

a. Stop or reduce continued release by ceasing activity, closing valves or flipping switches.

b. Block or slow the migration of spilled material.

c. Close or plug drains when possible.

2. Using proper personal protective equipment, obtain and use supplies from the spill kit for

containment and absorption.

3. In consultation with the facility superintendent, clean up small spills that can be effectively cleaned

up by City staff or hire a spill cleanup contractor.

4. Dispose of all contaminated products in accordance with applicable federal, state and local

regulations.

5. Document the spill material, location, size, and date.

Major Spill Response Procedure

A major spill is defined as one involving a spill that cannot be safely and or adequately controlled or cleaned

up by on-site personnel. Characteristics of a major spill include:

 The spill is large enough to spread beyond the immediate area

 The spill material entered surface water or ground water (regardless of the size)

 The spill requires special training and equipment to cleanup

 The spill material is a threat to human health

 There is a danger of fire or explosion

Use the following procedures in response to a major spill:

1. All workers shall immediately evacuate the spill site to a safe distance away from the spill.

2. Notify the facility superintendent of the spill and details regarding the spill.

3. If there is not an immediate health or safety danger and if actions can be implemented safely, a

trained employee shall conduct obvious and immediately implementable containment measures in

the following sequence:

a. Stop or reduce continued release by ceasing activity, closing valves or flipping switches.

b. Block or slow the migration of spilled material.

c. Close or plug drains when possible.

4. The facility superintendent will contact the Fire Department to notify the Hazardous Response Team.

5. The facility superintendent will coordinate cleanup with the Hazardous Response Team.

6. Document the spill material, location, size, and date.

City of Helena Montana | STORM WATER MANAGEMENT PROGRAM STANDARD OPERATING PROCEDURES

Vehicle Maintenance Facility

January 2019

Attachments: Activity SOPs

Landscaping SOP

Street Maintenance and Repairs SOP

Winter Street Operations SOP

Parking Lot Maintenance SOP

Utility Maintenance SOP

Building Maintenance SOP

Shop and Fleet Services SOP

Storm Water Pollution Prevention Standard Operating

Procedures

for:

Wastewater Treatment Facility

2108 East Custer Ave

Helena, MT, 59602

(406) 457-8558

SOP Preparation Date: January 2019

City of Helena Public Works Department

Storm Water Management Program

City of Helena Montana | STORM WATER MANAGEMENT PROGRAM STANDARD OPERATING PROCEDURES

Wastewater Treatment Facility

January 2019 1

SECTION 1.0 Facility Description and Contact Information

1.1 Facility Information

Facility Information

Name of Facility: Wastewater Treatment Facility (WWTF)

Street: 2108 East Custer Ave

City: Helena State: MT ZIP Code: 59602

Discharge Information

Drainage Basin: Davis Gulch

Drainage Basin Receiving Waterbody: Prickly Pear Creek

Does this facility discharge storm water directly into any segment of a receiving waterbody?

☐Yes ☒No

Permit Information

Is this facility permitted by an MPDES Permit (in addition to MS4)? ☒Yes ☐No

If Yes, identify other discharge permits: Domestic Wastewater Treatment Plant (MT0022641)

1.2 Contact Information/Responsible Parties

Facility Superintendent:

Name: Mark Fitzwater

Telephone Number: (406) 457-8558

Email address: mfitzwater@helenamt.gov

City Storm Water Management Program Coordinator:

Storm Water Management Contact Name (Primary): Matt Culpo

Telephone number: (406) 447-8073

Email address: mculpo@helenamt.gov

1.3 Storm Water Pollution Prevention Team

The storm water pollution prevention team is responsible for implementing and maintaining storm water

control measures/BMPs, and taking corrective actions when required. The facility superintendent is the

facility’s storm water pollution prevention lead. All facility staff engage in storm water pollution prevention

measures and are part of the storm water pollution prevention team.

1.4 Site Description

The WWTF is located on a 17 acre site at 2108 East Custer Ave on the north-east side of the City (see

Figure 1). The WWTF uses biological nutrient removal process to treat approximately 3.5 million gallons of

raw sewage per day. The facility is authorized to discharge treated wastewater effluent to Prickly Pear Creek

under the Montana Pollution Discharge Elimination System (MPDES). Storm water runoff from the site

drains to a large self-contained dry retention basin located in the northeast corner of the site and two smaller

retention ponds located near the administrative building and belt filter press building.

For purposes of this document, direct discharge refers to site runoff discharging directly into a stream or other receiving

waterbody immediately upon leaving the bounds of the site or facility.

City of Helena Montana | STORM WATER MANAGEMENT PROGRAM STANDARD OPERATING PROCEDURES

Wastewater Treatment Facility

January 2019 2

Access to the WWTF is through a shared access with the Utility Maintenance Facility (located east of and

adjacent to the WWTF) and the Lewis and Clark County Humane Society animal shelter from East Custer

Avenue. This access is used for employees, visitors, deliveries, and maintenance vehicles. Two additional

access locations are located on the east side of North Washington Street. The southern access is used for

sewage disposal vehicles and for access to an interpretive/meeting building, as well as, limited access

through a locked gate to the WWTF. The northern access is gated, and used for maintenance and operation

of WWTF. A site plan of the WWTF is provided in Figure 1.

1.5 Purpose and Limitations

This standard operating procedures (SOP) document identifies potential storm water pollutants that could be

discharged from the site and storm water pollution best management practices (BMPs) to be installed,

implemented, and maintained to minimize the discharge of pollutants from storm water runoff. The potential

pollutants and BMPs identified in the document only address management of storm water associated with

municipal activities. Management of potential pollutants covered under separate permits (i.e., domestic

wastewater treatment plant) are not addressed in this document.

This document is not expected to cover all necessary procedure actions. Operators are allowed to adapt

SOPs to unique site conditions in good judgment when it is necessary for safety and the effective

containment of pollutants.

City of Helena Montana | STORM WATER MANAGEMENT PROGRAM STANDARD OPERATING PROCEDURES

Wastewater Treatment Facility

January 2019 3

Figure 1. WWTF Site Plan

City of Helena Montana | STORM WATER MANAGEMENT PROGRAM STANDARD OPERATING PROCEDURES

Wastewater Treatment Facility

January 2019 4

SECTION 2.0 Potential Storm Water Pollutant Sources

This section describes potential storm water pollutant sources associated with the WWTF.

2.1 Potential Storm Water Pollutants Associated with Facility Activities

WWTF primary operations consist of treatment of waste water from the City’s sewer system, sludge

collections, handling and disposal, mulch storage and application for odor control, and septic tank sewage

disposal. The majority of the facility operations, along with standard operating procedures to prevent

pollution, are described in the facility’s multiple operating plans and manuals. A list of WWTF activities with

the potential to discharge pollutants to the storm drainage system is provided in Table 1. Measures to be

taken to reduce the potential for discharge of pollutants associated with these activities are identified in

Section 3.2.2.

Table 1. WWTF Activities and Potential Storm Water Pollutants

Activity

Potential Pollutants

Sediment

Nutrients

Trash

Metals

Bacteria

Oil, Grease, Fuel

Organics

Pesticides/Herbicides

Hazardous Waste

Landscaping X X X X X

Parking lot maintenance X X X X X X X X

Building maintenance X X X X X X X X

Utility maintenance X X X X X X X X

Solid waste management (screenings & grit

removal)

X X X X X X

Biosolids handling X X X X X

Odor control mulch maintenance X X X X

2.2 Spills and Leaks

Table 2 provides a list of locations where spills that would discharge contaminants to the storm drain system

could occur. Spill response protocol is described in Section 3.2.63.2.3.

Table 2. Areas Where Potential Spills/Leaks Could Occur

Location Discharge Point

Warm storage building used oil tank Self-contained, see Section 3.1.3.

Belt press room used oil tank Self-contained, see Section 3.1.3.

City of Helena Montana | STORM WATER MANAGEMENT PROGRAM STANDARD OPERATING PROCEDURES

Wastewater Treatment Facility

January 2019 5

SECTION 3.0 Storm Water Control Measures

This section describes the storm water BMPs to be installed, implemented, and maintained to minimize the

discharge of pollutants from storm water runoff at the facility.

3.1 Structural BMPs

3.1.1 Storm Water Drainage System

The site is located within the City’s Davis Gulch watershed which discharges to Prickly Pear Creek;

however, the site itself is a closed basin which drains to dry on-site retention/infiltration basins. A berm exists

along the northern edge of the loop road to direct runoff east to the large retention area and to prevent runoff

from discharging offsite or into the WWTF effluent channel. One culvert exists to convey runoff under an

access road to the large retention basin. The facility’s storm water drainage system features are shown on

the site plan in Figure 1.

3.1.2 Permanent Storm Water Management BMPs

BMP Locations

Site storm water runoff quality and quantity is controlled by the retention area located in the northeast corner

of the site. This site is designed as a zero discharge site for storm events up to the 100-year event. All

impounded water in the retention ponds infiltrates, evaporates or evapotranspires. Two smaller retention

ponds located near the administrative building and belt filter press building control storm water runoff within

this site for local drainage control (see Figure 1).

BMP Inspection and Maintenance

The City’s storm water management program is generally responsible for maintenance of the facility’s storm

water management BMPs; however, WWTF staff members should always be aware of the condition of

BMPs. WWTF staff should inspect the retention basins following runoff events to verify that water is

infiltrating and not ponding for excessive periods of time. The berm along the northern edge of the loop road

should also be visually inspected following runoff events to confirm that it is in good condition (no erosion).

Contact the City Storm Water Management Program Coordinator (listed on Page 1) if a BMP is in need of

maintenance.

3.1.3 Chemical and Bulk Fuel Storage

The facility has two used oil storage tanks located onsite:

 The used oil storage tank in the warm storage building has a capacity of 5,000 gallons. The building

floor is sloped towards the center of the building to serve as secondary containment if the tank

develops a leak. Contact the facility superintendent if a crack in the tank or leak is discovered.

 The used oil storage tank in the belt press room has a capacity of 1,200 gallons. There is a sump pit

in the building to serve as secondary containment if the tank develops a leak. Contact the facility

superintendent if a crack in the tank or leak is discovered. Material in the sump can be pumped to

the waste storage tank, if necessary.

City of Helena Montana | STORM WATER MANAGEMENT PROGRAM STANDARD OPERATING PROCEDURES

Wastewater Treatment Facility

January 2019 6

3.2 Non-Structural BMPs

3.2.1 Employee Training

Training Procedures

All new employees have training and/or are trained for the duties of their position and the environment at the

facilities. All employees receive specialized training stormwater pollution prevention, BMPs, illicit discharges

and operation within a regulated Phase II, Small Municipal Separate Storm Sewer System (MS4). This

training includes speaker and video instruction of the following courses by Excal Visual, Inc.:

 Storm Watch – Municipal Stormwater Pollution Prevention

 IDDE – “a grate concern”

 Rain Check – Storm Water Pollution Prevention for MS4s

Employee training with regard to illicit discharges includes proper storage, handing, disposal, and spill

recognition and response. Additionally, WWTF staff shall all receive annual training on updates to the

facility’s SOPs and new hires are to be trained on the SOPs within 90 days of their hire date.

Training Schedule

The storm water pollution management training procedures identified above are to be implemented annually

for all WWTF staff. New WWTF staff are to receive training within 90 days of hire date.

3.2.2 Good Housekeeping

Good housekeeping procedures to be implemented by facility staff are listed in Table 3.

Table 3. WWTF Storm Water Management Good Housekeeping Procedures

Activity

Responsible

Person/Position

BMP to Reduce Potential for

Pollution

Landscaping Craig Marr, Director Follow Landscaping SOP

Parking lot maintenance Troy Sampson, Director Follow Parking Lot Maintenance SOP

Building maintenance Troy Sampson, Director Follow Building Maintenance SOP

Utility maintenance Dave Knopke, Superintendent Follow Utility Maintenance SOP

Solid waste management (screenings & grit

removal)

Pete Anderson,

Superintendent

See Section 3.2.3

Biosolids handling

Mark Fitzwater

Superintendent

See Section 3.2.4

Odor control mulch maintenance

Mark Fitzwater

Superintendent

See Section 3.2.5

3.2.3 Solid Waste Management

Screenings and grit accumulate in a roll-off container in the Headworks Building as raw wastewater enters

the facility. The screenings and grit must be hauled to the landfill once per week. The screenings and grit are

within a closed building that is not connected to the storm drain system; however, storm water pollution

could occur during the transfer of screenings and grit from the Headworks Building to the landfill. Implement

the following procedures to minimize potential for storm water pollution during the screenings and grit

management process:

a) Load the roll-off container that contains the screenings and grit onto the hooklift truck

b) Verify that the container is securely attached to the truck prior leaving the facility

City of Helena Montana | STORM WATER MANAGEMENT PROGRAM STANDARD OPERATING PROCEDURES

Wastewater Treatment Facility

January 2019 7

c) Drive to the Lewis and Clark County Landfill and deposit the waste as directed by the landfill

operator

d) Place the roll-off container in its proper position after returning to the Headworks Building to collect

more screenings and grit

3.2.4 Biosolids Handling

Biosolids are an organic waste product that accumulate from the secondary treatment process and are

digested to meet environmental regulations. The biosolids are removed from the site on a daily basis (five

days per week). Biosolids handling occurs within a closed building that is not connected to the storm drain

system; however, storm water pollution could occur during the transfer of Biosolids from the WWTF to the

final destination. Implement the following procedures to minimize potential for storm water pollution during

the biosolids handling process:

Summer Season (Land application at Diehl Ranch)

a) Pump the biosolids sludge into the septic truck (approximately 4,000 gallons per load)

b) Drive to the Diehl Ranch (an EPA approved location)

c) Coordinate with the ranch manager to spray the biosolids onto the land at the appropriate

agronomical uptake rate (as approved for specific crops)

Winter Season (Compost at Lewis and Clark County Landfill)

a) Verify that the roll-off container is placed correctly to collect thickened sludge from the belt filter

press

b) Process the biosolids sludge over belt filter press machine to thicken to approximately 14% solids

(thickened sludge will automatically drop into the roll-off container)

c) Load the roll-off container containing thickened sludge onto the hooklift truck

d) Verify that the container is securely attached to the truck prior leaving the facility

e) Drive to the Lewis and Clark County Landfill and deposit the biosolids as directed by the landfill

operator

e) Place the roll-off container in its proper position after returning to the WWTF to collect thickened

sludge

3.2.5 Odor Control Mulch Maintenance

Odor control mulch is located next to the Headworks Building. If the mulch were to need replacement, it

should be hauled to the landfill using the Solid Waste Management procedures identified in Section 3.2.3.

3.2.6 Spill Response

Spill response and cleanup is addressed by employee training, discussed in Section 3.2.1. Spill response

procedures are provided below.

Facility Spill Kit

The facility has two spill cleanup kits. The first kit, containing absorbent socks, is located in the Headworks

Building. The second kit, containing a 30 gallon drum of kitty litter, is located in the Maintenance Shop.

Minor Spill Response Procedure

A minor spill is defined as one that poses no significant threat to human health or the environment. These

spills generally involve less than 5 gallons and can usually be cleaned up by City personnel. Other

characteristics of a minor spill include:

City of Helena Montana | STORM WATER MANAGEMENT PROGRAM STANDARD OPERATING PROCEDURES

Wastewater Treatment Facility

January 2019 8

 The spilled material is easily stopped or controlled at the time of the spill

 The spill is localized

 The spilled material is not likely to reach surface water or groundwater

 There is little danger to human health

 There is little danger of explosion

Use the following procedures in response to a minor spill:

1. Immediately notify the facility superintendent of the spill.

2. If necessary and safe to do so, physically contain the spill to prevent further migration from the

facility or project site.

a. Stop or reduce continued release by ceasing activity, closing valves or flipping switches.

b. Block or slow the migration of spilled material.

c. Close or plug drains when possible.

2. Using proper personal protective equipment, obtain and use supplies from the spill kit for

containment and absorption.

3. In consultation with the facility superintendent, clean up small spills that can be effectively cleaned

up by City staff or hire a spill cleanup contractor.

4. Dispose of all contaminated products in accordance with applicable federal, state and local

regulations.

5. Document the spill material, location, size, and date.

Major Spill Response Procedure

A major spill is defined as one involving a spill that cannot be safely and or adequately controlled or cleaned

up by on-site personnel. Characteristics of a major spill include:

 The spill is large enough to spread beyond the immediate area

 The spill material entered surface water or ground water (regardless of the size)

 The spill requires special training and equipment to cleanup

 The spill material is a threat to human health

 There is a danger of fire or explosion

Use the following procedures in response to a major spill:

1. All workers shall immediately evacuate the spill site to a safe distance away from the spill.

2. Notify the facility superintendent of the spill and details regarding the spill.

3. If there is not an immediate health or safety danger and if actions can be implemented safely, a

trained employee shall conduct obvious and immediately implementable containment measures in

the following sequence:

a. Stop or reduce continued release by ceasing activity, closing valves or flipping switches.

b. Block or slow the migration of spilled material.

c. Close or plug drains when possible.

4. The facility superintendent will contact the Fire Department to notify the Hazardous Response Team.

5. The facility superintendent will coordinate cleanup with the Hazardous Response Team.

6. Document the spill material, location, size, and date.

City of Helena Montana | STORM WATER MANAGEMENT PROGRAM STANDARD OPERATING PROCEDURES

Wastewater Treatment Facility

January 2019 9

Attachments: Activity SOPs

Landscaping SOP

Parking Lot Maintenance SOP

Building Maintenance SOP

Utility Maintenance SOP

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