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ORDINANCE 2013-005 CITY OF CASTROVILLE

WATER MANAGEMENT PLAN

CITY OF CASTROVILLE

WATER MANAGEMENT PLAN

City of Castroville

703 Paris St.

Castroville, Texas 78009

(830) 931-4070

Fax (830) 931-6373

PWS #1630005

PWS # 1630036

PWS # 1630033

RN101391159

CN600647614

March 2013

Compiled by:

KSA Engineers, Inc.

4833 Spicewood Springs Drive, Suite 204

Austin, TX 78759

(512) 342-6868

Fax (512)342-6877

ORDINANCE 2013-006

CITY OF CASTROVILLE

WATER MANAGEMENT PLAN

i

TABLE OF CONTENTS

TABLE OF CONTENTS ............................................................................................................... i

LIST OF TABLES ........................................................................................................................ ii

LIST OF ATTACHMENTS ........................................................................................................... ii

UNIT I: WATER CONSERVATION PLAN ................................................................................. 1

Introduction ............................................................................................................................ 1

Utility Profile ........................................................................................................................... 1

Population and Customer Data ........................................................................................... 1

Water Use Data .................................................................................................................. 2

Water Production and Delivery System ............................................................................... 2

Specific, Quantified 5 & 10-Year Targets ................................................................................ 3

Water Loss Goals ............................................................................................................... 3

Implementation Schedule ....................................................................................................... 3

Tracking of Water Conservation Plan Effectiveness ............................................................... 4

Continuing Public Education & Information ............................................................................. 5

Water Rate Structure .............................................................................................................. 5

Edwards Aquifer Authority Best Management Practices ......................................................... 5

Enforcement Procedure and Plan Adoption ............................................................................ 7

Other ...................................................................................................................................... 7

UNIT II: Drought Contingency Plan ........................................................................................... 8

Section I Declaration of Policy, Purpose, and Intent ............................................................... 8

Section II Public Involvement .................................................................................................. 8

Section III Public Education .................................................................................................... 8

Section IV Coordination with Regional Water Planning Groups .............................................. 8

Section V Authorization .......................................................................................................... 8

Section VI Application ............................................................................................................. 9

Section VII Definitions ............................................................................................................ 9

Section VIII Criteria for Initiation and Termination of Drought Response Stages ....................10

Stage 1 Triggers -- MILD Water Shortage Conditions ........................................................11

Stage 2 Triggers -- MODERATE Water Shortage Conditions .............................................11

Stage 3 Triggers - SEVERE Water Shortage Conditions ....................................................11

Stage 4 Triggers -- EXTREME Water Shortage Conditions ................................................12

Stage 5 Triggers -- CRITICAL Water Shortage Conditions .................................................12

ORDINANCE 2013-006 CITY OF CASTROVILLE

WATER MANAGEMENT PLAN

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Stage 6 Triggers -- EMERGENCY Water Shortage Conditions ..........................................12

Section IX Drought Response Stages ...................................................................................13

Stage 1 Response -- MILD Water Shortage Conditions .....................................................13

Stage 2 Response -- MODERATE Water Shortage Conditions ..........................................14

Stage 3 Response -- SEVERE Water Shortage Conditions..............................................15

Stage 4 Response -- EXTREME Water Shortage Conditions .............................................15

Stage 5 Response -- CRITICAL Water Shortage Conditions ..............................................16

Stage 6 Response -- EMERGENCY Water Shortage Conditions .......................................16

Section X Plan Review and Update .......................................................................................17

Section XI Enforcement .........................................................................................................17

Section XII Variances ............................................................................................................18

LIST OF TABLES

TABLE 1. MUNICIPAL WATER DEMAND 2008-2012 ......................................................................... 2

TABLE 2. WATER CONSERVATION PLAN 5- AND 10- YR GOALS ....................................................... 3

LIST OF ATTACHMENTS

ATTACHMENT A. ORDINANCE 98-002 AND 98-003 ..............................................................20

ATTACHMENT B. ORDINANCE 2013-006 ..............................................................................21

ATTACHMENT C. CITY OF CASTROVILLE UTILITY PROFILE.............................................22

ATTACHMENT D. SOUTH CENTRAL TEXAS REGIONAL WATER PLANNING AREA’S 2011 REGIONAL

WATER PLAN .......................................................................................................................23

ATTACHMENT E. CITY OF CASTROVILLE WATER DISTRIBUTION MAP ...........................24

ATTACHMENT F. WATER RATES ..........................................................................................25

ATTACHMENT G. MUNICIPAL GROUNDWATER CONSERVATION PLAN FORM ...............26

ATTACHMENT H. REGIONAL WATER GROUP .....................................................................27

ORDINANCE 2013-006 CITY OF CASTROVILLE

WATER MANAGEMENT PLAN

Water Conservation Plan

Based onTWDB-TAC31-363.15 Page 1 of 30

UNIT I:

WATER CONSERVATION PLAN

Introduction

In accordance with the guidelines of the Texas Water Development Board (TWDB) the

City of Castroville has adapted a Water Conservation Plan via Ordinance 98-002 and

98-003 (Attachment A). The City Council adopted this ordinance on July 14, 1998, and

the Plan was subsequently approved by the TCEQ.

Effective October 7, 2004, the Texas Commission on Environmental Quality (TCEQ)

adopted revised rules and regulations pertaining to Water Conservation and

Drought Contingency plans requiring inclusion of new elements not previously required

in such plans. The City of Castroville’s current Plan substantially complies with the

revised rules. However, the TCEQ has reviewed the plan and found that a minor update

is required. Therefore, this document shall be considered the amendment to the current

Water Conservation and Drought Contingency Plans.

In order to meet requirements of the TCEQ, the City is to adapt a water conservation

and drought contingency plans entitled “City of Castroville Water Management Plan” by

Ordinance 2013-006 (Attachment B). The ordinance the City Council adopts shall

authorize the City to implement, enforce, and administer the program outline in this

Water Conservation and Drought Contingency Plan.

Utility Profile

Population and Customer Data

The City’s Water Services Department manages a water distribution service area of 2.4

square miles and serves a population of over 2960 residents. The City provides drinking

water to its customers through a network of nearly 25 miles of transmission and

distribution mains that provide service to over 1254 water connections. The information

within the utility profile includes the City of Castroville Wells (PWS # 1630005), the

Airport Well (PWS # 1630033) and the Medina Valley Well (PWS # 1630036). See

Attachment C for the full Utility Profile.

The official U.S. Census population count for the city in 2010 was 2,680, an increase of

about 19% from the 1990 Census. Population projections for Castroville, described in

the South Central Texas Regional Water Planning Area’s 2011 Regional Water Plan and

in the City of Castroville’s Master Plan 2011, forecast the City’s population will reach

3,316 by 2020, and 3,636 by 2030. In comparison, the City’s water demand projection is

expected to increase to almost 743 ac-ft (0.663 MGD) by 2020 and 802 ac-ft (0.715

ORDINANCE 2013-006 CITY OF CASTROVILLE

WATER MANAGEMENT PLAN

Water Conservation Plan

Based onTWDB-TAC31-363.15 Page 2 of 30

MGD) by 2030. References to the South Central Texas Regional Water Planning Area’s

2011 Regional Water Plan are in Attachment D.

Water Use Data

Table 1 below summarizes key water use statistics for 2008 to 2011. Average per

person usage is given in gallons per capita per day (gpcd). Average peak daily water

demand is given in million gallons per day (MGD). The peak day to average day ratio is

based on the Texas Commission on Environmental Quality (TCEQ) maximum daily

demand (30 TAC §290.38. (41))

§290.38. (41) Maximum daily demand -- In the absence of verified historical

data or in cases where a public water system has imposed mandatory water use

restrictions within the past 36 months, maximum daily demand means 2.4 times

the average daily demand of the system.

The maximum daily demand for the City is 1.38 MGD, reached in 2011. During high

demand periods when large volumes of water are being pumped from the aquifer, the

production capacity of the wells is reduced due to declining water levels of the aquifer.

The City’s water production and pumping system capacity is currently 2.692 MGD and

2.736 MGD, respectively.

Table 1. Municipal Water Demand 2008-2012

Year

2008

2009

2010

2011

Peak GPCD

362

398

425

468

Annual Average GPCD

151

166

177

195

Peak Day (MGD)

1.26

1.27

1.19

1.38

Average Day (MGD)

0.52

0.53

0.49

.58

Peaking Factor

2.42

2.39

2.42

2.38

Water Production and Delivery System

The City utilizes ground water for its public water supply and has developed its own

water production facilities. The City has five wells which withdraw groundwater from the

Edwards Aquifer. The distribution system is divided into three separate water systems

that are completely isolated from one another shown in Attachment E.

For the City System, all three wells pump directly into the distribution system. The

ground storage tank, located on a hill, provides water storage to the City System. The

City System also contains a separate pressure plane, referred to as the River Bluff

Pressure Plane that is serviced by a pressure tank and small pump station. The pump

station pumps directly into the River Bluff Pressure plane.

The Airport System is served by only one well, referred to as the Airport Well. The

groundwater is pumped to a small ground storage tank. From the ground storage tank,

a pump station pumps water into the airport system and the pressure tank. Some water

ORDINANCE 2013-006 CITY OF CASTROVILLE

WATER MANAGEMENT PLAN

Water Conservation Plan

Based onTWDB-TAC31-363.15 Page 3 of 30

from the airport well is used by a local farmer to grow crops. The water at the airport is

used for normal airport operations.

The Medina Valley System is served by Well #6. Groundwater is pumped into one

ground storage tank, and a pressure tank. The water that is pumped from the well is

used to supply residential and commercial properties.

Specific, Quantified 5 & 10-Year Targets

Water Loss Goals

Castroville is undertaking a comprehensive effort to reduce unaccounted for water, and

to improve the quality of data in water loss estimates. It is expected that water loss

percentages will fluctuate annually with weather and demand conditions, and that some

fluctuations will occur as a result of improved data collection. Castroville intends to

increase its water conservation, and reduce its percentage of lost water as follows:

Table 2. Water Conservation Plan 5- and 10- Yr Goals

Description

Historic 5-yr

(Average)

Current

(2011)

5-yr Goal

(Yr)

10-yr Goal

(Yr)

Total GPCD

166

203*

201*

199*

Water Conserved

(GPCD)

2

4

Residential GPCD

122

123

122

121

Water Loss

(GPCD)

25

39

38

37

Water Loss

(%)

14.8

20.1

19.4

18.9

*Total GPCD is based on the 2011 Regional L Water Plan (Attachment D)

Implementation Schedule

The way the city plans on obtaining these water loss goals are described below:

1. Reduce per capita consumption through education by presenting non-wasteful

uses of water and techniques that can be employed to conserve water.

Information will be distributed in the local newspapers and other media outlets

during high-use seasons to expand public awareness.

2. Once a year, the City will review consumption patterns and its income and

expense levels and evaluate whether or not the current water rates are effective

and appropriate. A progressive water rate structure may be considered by the

City and adjustments will be made as needed.

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Water Conservation Plan

Based onTWDB-TAC31-363.15 Page 4 of 30

3. The City will provide information regarding the water rate structure to each of its

customers once a year. City will also provide customers with historical water use

for the previous 12 months upon request.

4. A leak detection and repair program will be maintained as well as a meter testing

and repair/replacement program.

5. Replacement of water lines found to be leaking or in generally poor condition will

be completed to ensure minimal water loss.

6. Require wholesale customers to adopt and implement the City’s water

conservation plan. This will be done as part of any new customer contract or

renewal of an existing customer contract to purchase water from the City.

Tracking of Water Conservation Plan Effectiveness

The City will keep track of the Water Conservation Plan’s progress via the following four

processes.

1. In order to track the effectiveness of water conservation measures, and to

monitor the water distribution system efficiency, the City already employs a

master meter, and a universal metering system. The master meter measures

any water diverted from the source into the water distribution system. The

universal metering system measures water used by customers and by public

sites. These provide the data required to track annual water use, and evaluate

progress towards the City’s goals.

2. The City will collect information about its programs and the population to evaluate

the effectiveness of the program at least once every three years. For literature

documents, the number of such documents and topics covered will be recorded.

The number of news programs or advertisements will also be recorded and the

total population of the service area will be tracked.

3. Guidelines for meter selection based on customer usage, meter replacement

policies, and records on each meter in the system will be recorded and

maintained.

4. To control water theft, and water loss (both real and apparent), the City has

developed schedules for meter inspection and maintenance, and visual line

inspection. This schedule will be part of a continuous program of leak detection,

repair, and water loss accounting.

a. These will be done on a monthly basis:

i. Visual inspection of all distribution lines

ii. Inspection of all commercial meters to check accuracy

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Water Conservation Plan

Based onTWDB-TAC31-363.15 Page 5 of 30

b. A water audit to detect water theft and abandoned services

Continuing Public Education & Information

Through education and information dissemination, the City will continue to inform its

water customers of the benefits of water conservation. The City will accomplish this by

implementing the following steps:

1. The City will provide information to all new customers describing the water

conservation program upon application for service.

2. The City will have available for free distribution pamphlets and tips on water

saving fixtures for homes and businesses, use of water conserving landscaping,

recycling of water, and reuse of water.

3. On an annual basis the City will request that local newspapers publish water

conservation literature.

4. The City Administrator will report annually on the effectiveness of the City’s water

conservation measures and the per capita water usage. If the Water

Conservation Plan is not effective, the City Administrator will make

recommendations for modifying the plan to increase its effectiveness. The City

Administrator will send a copy of the annual report to the executive administrator

of the Texas Water Development Board.

Water Rate Structure

The City currently has adopted a cost-based rate structure which encourages customers

to reduce both peak and overall water usage. The water rates for the City are

documented in Ordinance No. 2012-15 below as Attachment F. This rate structure will

be reviewed on a regular basis to ensure that the rates adequately recover the cost of

service and meet the goals of this water conservation plan.

Edwards Aquifer Authority Best Management Practices

The Edwards Aquifer Authority (EAA) requires the implementation of Best Management

Practices (BMPs) for Groundwater Conservation. For a community the size served by

Castroville, the EAA requires the implementation of Muni 1-7 as outlined in the Municipal

Groundwater Conservation Plan Form produced by the EAA (See attached Attachment

G). The City intends to implement these BMPs by completing the following programs:

Muni-1: System Water Audit, Leak Detection and Repair

ORDINANCE 2013-006 CITY OF CASTROVILLE

WATER MANAGEMENT PLAN

Water Conservation Plan

Based onTWDB-TAC31-363.15 Page 6 of 30

1. The City will develop an annual pre-screening water audit program to determine

real and apparent water losses.

2. In the event that the City is unable to account for 85% of the system’s water use,

the City will have a leak detection and repair program implemented to reduce

water loss.

3. Upon completion of the leak detection program, the City will provide the EAA with

measures to prevent future water loss

Muni-2: Metering of All New Connections and Retrofit of Existing Connections

1. The City will develop a document that outlines how the City is to install meters on

new connections.

2. The City will produce a feasibility study showing the benefit of having

landscaping irrigation meters on industrial and commercial accounts and

determine the best approach to controlling irrigation usage.

3. The City will develop a program and schedule to test and replace meters within

the service area.

4. The City will develop a feasibility study to retrofit multi-family and industrial,

commercial, and institutional (ICI) accounts with turbo meters or similar

technology that accurately reads flows.

Muni-3: Water Waste Prohibition

1. The City will develop a policies and enforcement programs to prohibit water

waste from property, landscape watering commercial activities.

Muni-4: Conservation Pricing

1. The City will maintain and update the cost-based water rate structure to

encourage customers to reduce both peak and overall water usage.

2. The City will develop a seasonal or excess surcharge to reduce demand during

the summer months.

Muni-5: Public Information and School Education Programs

1. The City will continue and improve upon the water conservation education

program to all employees and the community that is being served.

2. The City will develop an education program on water conservation in the public

school system.

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Water Conservation Plan

Based onTWDB-TAC31-363.15 Page 7 of 30

Muni-6: Landscape Conservation Program

1. The City will develop a program for irrigation conservation.

2. The City will develop a program market landscape water-use surveys to ICI and

residential accounts.

3. The City will develop and implement a customer inventive program for irrigation

conservation.

4. The City will consider developing an ordinance requiring all new homes,

apartment complexes and commercial buildings to install a water conserving

landscape.

Muni-7: Conservation Coordinator

1. The Public Services director will appoint a City of Castroville’s Conservation

Coordinator and oversee the Conservation Coordinator.

Enforcement Procedure and Plan Adoption

This water conservation plan has been implemented through the passage of an

ordinance by the City of Castroville. The plan will be put into effect by notices being

given to water customers through the local newspaper. The City Administrator or his/her

duly appointed representative will act as the Administrator of the Water Conservation

Plan. The Administrator will oversee the execution and implementation of all elements

of the plan and be responsible for overseeing and keeping adequate records for program

verification.

Other

Attachment H is provided as documentation that the regional water planning group for

the City’s service area has been notified of the Water Conservation and Drought

Contingency Plan.

ORDINANCE 2013-006 CITY OF CASTROVILLE

WATER MANAGEMENT PLAN

City of Castroville Drought Contingency Plan/Critical Period Management Stage Rules

Based onTCEQ-20191 (Rev. 5-5-05) Page 8 of 30

UNIT II:

Drought Contingency Plan

Section I Declaration of Policy, Purpose, and Intent

In order to conserve the available water supply and protect the integrity of water supply facilities,

with particular regard for domestic water use, sanitation, and fire protection, and to protect and

preserve public health, welfare, and safety and minimize the adverse impacts of water supply

shortage or other water supply emergency conditions, the City of Castroville hereby adopts the

following regulations and restrictions on the delivery and consumption of water through an

ordinance.

Water uses regulated or prohibited under this Drought Contingency Plan (the Plan) are

considered to be non-essential and continuation of such uses during times of water shortage or

other emergency water supply condition are deemed to constitute a waste of water which

subjects the offender(s) to penalties as defined in Section XI of this Plan.

Section II Public Involvement

Opportunity for the public to provide input into the preparation of the Plan was provided by the

City of Castroville, Texas (“City”) by means of a public notice of a public meeting, which was

held on April 9, 2013. Additionally, the public is always invited to attend the City Council

meetings to ask questions about the Plan and its implementation.

Section III Public Education

The City will periodically provide the public with information about the Plan, including information

about the conditions under which each stage of the Plan is to be initiated or terminated and the

drought response measures to be implemented in each stage. This information will be provided

by means of public meetings, press releases to newspapers serving the area, periodic utility bill

inserts, monthly newsletter articles, and placement on the City’s website.

Section IV Coordination with Regional Water Planning Groups

The service area of the City is located within the South Central Texas Regional Water Planning

Area and the City has provided a copy of this Plan to South Central Texas Regional Water

Planning Area.

Section V Authorization

The City Administrator, or his/her designee is hereby authorized and directed to implement the

applicable provisions of this Plan upon determination that such implementation is necessary to

ORDINANCE 2013-006 CITY OF CASTROVILLE

WATER MANAGEMENT PLAN

City of Castroville Drought Contingency Plan/Critical Period Management Stage Rules

Based onTCEQ-20191 (Rev. 5-5-05) Page 9 of 30

protect public health, safety, and welfare. The City Administrator or his/her designee shall have

the authority to initiate or terminate drought or other water supply emergency response

measures as described in this Plan.

Section VI Application

The provisions of this Plan shall apply to all persons, customers, and property utilizing water

provided by the City. The terms “person” and “customer” as used in the Plan include

individuals, corporations, partnerships, associations, and all other legal entities.

Section VII Definitions

For the purposes of this Plan, the following definitions shall apply:

Aesthetic water use: water use for ornamental or decorative purposes such as fountains,

reflecting pools, and water gardens.

City: The City of Castroville, Texas.

Commercial and institutional water use: water use which is integral to the operations of

commercial and non-profit establishments and governmental entities such as retail

establishments, hotels and motels, restaurants, and office buildings.

Conservation: those practices, techniques, and technologies that reduce the consumption of

water, reduce the loss or waste of water, improve the efficiency in the use of water or increase

the recycling and reuse of water so that a supply is conserved and made available for future or

alternative uses.

Customer: any person, company, or organization using water supplied by the City.

Domestic water use: water use for personal needs or for household or sanitary purposes such

as drinking, bathing, heating, cooking, sanitation, or for cleaning a residence, business, industry,

or institution.

Even number address: street addresses, box numbers, or rural postal route numbers ending in

0, 2, 4, 6, or 8 and locations without addresses.

Industrial water use: the use of water in processes designed to convert materials of lower value

into forms having greater usability and value.

Landscape irrigation use: water used for the irrigation and maintenance of landscaped areas,

whether publicly or privately owned, including residential and commercial lawns, gardens, golf

courses, parks, and rights-of-way and medians.

Non-essential water use: water uses that are not essential nor required for the protection of

public, health, safety, and welfare, including:

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WATER MANAGEMENT PLAN

City of Castroville Drought Contingency Plan/Critical Period Management Stage Rules

Based onTCEQ-20191 (Rev. 5-5-05) Page 10 of 30

(a) irrigation of landscape areas, including parks, athletic fields, and golf courses, except

otherwise provided under this Plan;

(b) use of water to wash any motor vehicle, motorbike, boat, trailer, airplane or other vehicle;

(c) use of water to wash down any sidewalks, walkways, driveways, parking lots, tennis

courts, or other hard-surfaced areas;

(d) use of water to wash down buildings or structures for purposes other than immediate fire

protection;

(e) flushing gutters or permitting water to run or accumulate in any gutter or street;

(f) use of water to fill, refill, or add to any indoor or outdoor swimming pools or Jacuzzi-type

pools;

(g) use of water in a fountain or pond for aesthetic or scenic purposes except where

necessary to support aquatic life;

(h) failure to repair a controllable leak(s) within a reasonable period after having been given

notice directing the repair of such leak(s); and

Odd numbered address: street addresses, box numbers, or rural postal route numbers ending in

1, 3, 5, 7, or 9.

Section VIII Criteria for Initiation and Termination of Drought

Response Stages

The City Administrator or his/her designee shall monitor water supply and/or demand conditions

on a weekly basis and shall determine when conditions warrant initiation or termination of each

stage of the Plan, that is, when the specified “triggers” are reached. During especially dry

periods, the City Administrator or his/her designee may monitor water supply and/or demand

conditions on a daily basis and determine when conditions warrant initiation or termination of a

stage of the Plan.

Public notification of the initiation or termination of drought response stages shall be by means

of citizens’ telephone system communication, publication in a newspaper of general circulation

and with signs posted in public places. Further, the notice shall be posted at City Hall and on the

City’s web page.

The triggering criteria described below are based on guidelines adopted by the San Antonio

Water System (“SAWS”) and the implementation and termination of the Stages by the Edwards

Aquifer Authority (“EAA”) based upon reported water levels in the San Antonio Pool.

Year Round

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WATER MANAGEMENT PLAN

City of Castroville Drought Contingency Plan/Critical Period Management Stage Rules

Based onTCEQ-20191 (Rev. 5-5-05) Page 11 of 30

Requirements for initiation

Year round watering restrictions are in effect when the Aquifer level is above 660 feet mean sea

level as determined by EAA at the monitored well for 15 consecutive days.

Requirements for termination

Year round water restrictions continue until there is an announcement by EAA that Stage 1 is

triggered.

Stage 1 Triggers -- MILD Water Shortage Conditions

Requirements for initiation

Customers shall be requested to voluntarily conserve water and adhere to the prescribed

restrictions on certain water uses, defined in Section IX of this Plan, when the 10-day rolling

average of the Edwards Aquifer level drops to 660 feet mean sea level at the monitored well.

Requirements for termination

Stage 1 of the Plan may be rescinded when all of the conditions listed as triggering events have

ceased to exist for a period of 15 consecutive days. Upon termination of Stage 1, Year Round

becomes operative.

Stage 2 Triggers -- MODERATE Water Shortage Conditions

Requirements for initiation

Customers shall be required to comply with the requirements and restrictions on certain non-

essential water uses provided in Section IX of this Plan when the 10-day rolling average of the

Edwards Aquifer level reaches 650 feet mean sea level at the monitored well.

Requirements for termination

Stage 2 of the Plan may be rescinded when all of the conditions listed as triggering events have

ceased to exist for a period of 15 consecutive days. Upon termination of Stage 2, Stage 1

becomes operative.

Stage 3 Triggers - SEVERE Water Shortage Conditions

Requirements for initiation

Customers shall be required to comply with the requirements and restrictions on certain non-

essential water uses for Stage 3 provided in Section IX of this Plan when 10-day rolling average

of the Edwards Aquifer level drops to 640 feet mean sea level at the monitored well.

Requirements for termination

ORDINANCE 2013-006 CITY OF CASTROVILLE

WATER MANAGEMENT PLAN

City of Castroville Drought Contingency Plan/Critical Period Management Stage Rules

Based onTCEQ-20191 (Rev. 5-5-05) Page 12 of 30

Stage 3 of the Plan may be rescinded when all of the conditions listed as triggering events have

ceased to exist for a period of 15 consecutive days. Upon termination of Stage 3, Stage 2

becomes operative.

Stage 4 Triggers -- EXTREME Water Shortage Conditions

Requirements for initiation

Customers shall be required to comply with the requirements and restrictions on certain non-

essential water uses for Stage 4 provided in Section IX of this Plan when 10-day rolling average

of the Edwards Aquifer level drops to 630 feet mean sea level at the monitored well.

Requirements for termination

Stage 4 of the Plan may be rescinded when all of the conditions listed as triggering events have

ceased to exist for a period of 15 consecutive days. Upon termination of Stage 4, Stage 3

becomes operative.

Stage 5 Triggers -- CRITICAL Water Shortage Conditions

Requirements for initiation

Customers shall be required to comply with the requirements and restrictions on certain non-

essential water uses for Stage 4 provided in Section IX of this Plan when 10-day rolling average

of the Edwards Aquifer level drops to 625 feet mean sea level at the monitored well.

Requirements for termination

Stage 5 of the Plan may be rescinded when all of the conditions listed as triggering events have

ceased to exist for a period of 15 consecutive days. Upon termination of Stage 5, Stage 4

becomes operative.

Stage 6 Triggers -- EMERGENCY Water Shortage Conditions

Requirements for initiation

Customers shall be required to comply with the requirements and restrictions for Stage 5 of this

Plan when the Mayor or City Administrator, or his/her designee, determines that a water supply

emergency exists based on:

1. Major water line breaks, or pump or system failures occur, which cause

unprecedented loss of capability to provide water service; or

2. Natural or man-made contamination of the water supply source(s).

Requirements for termination

Stage 5 of the Plan may be rescinded when all of the conditions listed as triggering events have

ceased to exist and is authorized by the City Administrator or his/her designee after review.

ORDINANCE 2013-006 CITY OF CASTROVILLE

WATER MANAGEMENT PLAN

City of Castroville Drought Contingency Plan/Critical Period Management Stage Rules

Based onTCEQ-20191 (Rev. 5-5-05) Page 13 of 30

Section IX Drought Response Stages

The City Administrator, or his/her designee, shall monitor water supply and/or demand

conditions on a daily basis and, in accordance with the triggering criteria set forth in Section VIII

of this Plan, shall determine that a mild, moderate, severe, critical, emergency or water shortage

condition exists and shall implement the following notification procedures:

Notification

Notification of the Public:

The City Administrator or his/ her designee shall notify the public by means of the citizen

telephone system, publication in a newspaper of general circulation, posting at City Hall and

placement of the information on the City’s website.

Additional Notification:

The City Administrator or his/ her designee shall notify directly, or cause to be notified directly,

the following individuals and entities when required under the Plan:

Mayor / Chairman and members of the City Council - At each declaration

Police Chief/ Fire Chief – At each declaration

County Emergency Management Coordinator(s) – When mandatory restrictions are

imposed

County Judge & Commissioner(s) – When mandatory restrictions are imposed

TCEQ – When mandatory restrictions are imposed

Critical water users, i.e. hospitals, critical care facilities – When mandatory restrictions

are imposed.

Stage 1 Response -- MILD Water Shortage Conditions

Target: Achieve a 20 percent reduction in total water use.

Voluntary Water Use Restrictions for Reducing Demand:

(a) Watering with an irrigation system or sprinkler is allowed only once a week before

10:00 AM or after 8:00 PM on your designated water day. For addresses ending in 0-

1 the designated day is Monday. Addresses ending in 2-3 have a designation of

Tuesday. Addresses ending in 4-5 have a designation of Wednesday. Addresses

ending in 6-7 have a designation of Thursday. Addresses ending in 8-9 have a

designation of Friday.

(b) Watering days begin and end at midnight; overnight watering is not allowed.

ORDINANCE 2013-006 CITY OF CASTROVILLE

WATER MANAGEMENT PLAN

City of Castroville Drought Contingency Plan/Critical Period Management Stage Rules

Based onTCEQ-20191 (Rev. 5-5-05) Page 14 of 30

(c) Hand watering with a hand-held hose, soaker hose, drip irrigation, bucket or water

can is permitted any time and any day.

(d) Use of grey water is allowed at any time.

(e) The use of commercial car wash facilities is allowed any day.

(f) Residential car washing allowed during drought once per week on your designated

watering day, Saturday or Sunday as long as there is no water waste.

(g) Washing impervious cover such as parking lots, driveways, streets or sidewalks is

prohibited. Health and safety exceptions to this rule may be requested from the City

of Castroville in writing.

(h) All non-public swimming pools must have a minimum of 25 percent of the surface

covered with evaporation screens when not in use. Inflatable pool toys or floating

decorations may be used.

(i) Landscape areas on golf courses not directly “in play” are required to follow on-day-

per-week watering based on address unless otherwise instructed by the City.

(j) Operators of golf courses, athletic fields and parks must submit a conservation plan to

the City. For submittal requirements, operators should contact the City Administrator.

(k) All residential fountains and indoor commercial fountains can operate at any stage of

drought. Outdoor commercial fountains must have a City of Castroville variance in

order to operate during drought stages 1-6.

(l) Water waste is prohibited at all times. Water waste includes allowing water to run off

into gutter, ditch or drain; or failing to repair a controllable leak.

Stage 2 Response -- MODERATE Water Shortage Conditions

Target: Achieve a 30 percent reduction total water usage.

Water Use Restrictions for Demand Reduction:

Under threat of penalty for violation, the following water use restrictions shall apply to all

persons:

(a) All restrictions from Stage 1 remain in effect unless added to or replaced by Stage 2.

(b) Landscape watering with an irrigation system, sprinkler or soaker hose is allowed

only once a week from 6 – 10 AM and 8 PM to 12:00 AM on your designated water

day, as determined by your address.

(c) Watering with a drip irrigation or 5-gallon bucket is permitted any day, but only

between 6-10 AM and 8:00 PM to 12:00 AM.

ORDINANCE 2013-006 CITY OF CASTROVILLE

WATER MANAGEMENT PLAN

City of Castroville Drought Contingency Plan/Critical Period Management Stage Rules

Based onTCEQ-20191 (Rev. 5-5-05) Page 15 of 30

(d) Watering with a hand-held hose is allowed any time on any day.

(e) Use of grey water is allowed at any time.

(f) Hotels, motels and other lodging must offer and clearly notify guests of a “linen/towel

change on request only” program.

(g) Use of water from hydrants shall be limited to fire fighting, related activities, or other

activities necessary to maintain public health, safety, and welfare, except that use of

water from designated fire hydrants for construction purposes may be allowed under

special permit from the City.

(h) All restaurants may prohibit the serving of water to patrons except upon request of

the patron.

Stage 3 Response -- SEVERE Water Shortage Conditions

Target: Achieve a 35 percent reduction in total water use.

Water Use Restrictions for Demand Reduction:

All restrictions from Stage 1 and Stage 2 remain in effect, unless added to or replaced by

Stage 3 rules.

(a) Landscape watering with an irrigation system, sprinkler or soaker hose is allowed

only once every other week from 6:00 – 10:00 AM and 8:00 PM – 12:00 AM on your

designated watering day, as determined by your address.

(b) Watering with drip irrigation is permitted every Monday, Wednesday, and Friday, but

only between 6:00 – 10:00 AM and 8:00 PM – 12:00 AM.

(c) Watering with a hand-held hose, bucket or watering can is allowed any time on any

day.

(d) Use of grey water is allowed at any time.

(e) Hotels, motels and other lodging facilities must limit linen/towel changes to once

every three (3) nights, except for health and safety.

(f) The use of water for construction purposes from designated fire hydrants under

special permit is to be discontinued.

Stage 4 Response -- EXTREME Water Shortage Conditions

Target: Achieve a 40 percent reduction in total water use.

Water Use Restrictions for Reducing Demand:. All requirements of Stage 2 and 3 shall

remain in effect during Stage 4 with the following additional restrictions:

ORDINANCE 2013-006 CITY OF CASTROVILLE

WATER MANAGEMENT PLAN

City of Castroville Drought Contingency Plan/Critical Period Management Stage Rules

Based onTCEQ-20191 (Rev. 5-5-05) Page 16 of 30

(a) No application for new, additional, expanded, or increased-in-size water service

connections, meters, service lines, pipeline extensions, mains, or water service

facilities of any kind shall be approved for immediate usage. Approval of such

applications will be reviewed on an individual basis, but the City shall not be required

to approve such application during such time as the drought response stage or

higher- numbered stager shall be in effect. Any time limits for approval of such

applications are hereby suspended for such time as this drought response stage or

higher-numbered stage shall be in effect.

(b) The filling, refilling, or adding of water to swimming pools, wading pools, and Jacuzzi-

type pools is prohibited, unless such pool is equipped with a filtration system which

requires such pool to maintain a constant level for proper operation.

(c) The use of commercial car wash facilities, including those at commercial service

stations shall occur between the hours of 6:00 AM – 10:00 AM and between 6:00 PM

– 10:00 PM.

(d) Use of grey water is allowed at any time.

Stage 5 Response -- CRITICAL Water Shortage Conditions

Target: Achieve a 44 percent reduction in total water use.

Water Use Restrictions for Reducing Demand:. All requirements of Stage 2,3, and 4

shall remain in effect during Stage 5 with the following additional restrictions:

(a) The use of commercial car wash facilities, including those at commercial service

stations shall occur between the hours of 6:00 AM – 8:00 AM and between 8:00 PM

– 10:00 PM.

(b) Landscape watering with an irrigation system, sprinkler or soaker hose is allowed

only once every other week from 6:00 – 8:00 AM and 8:00 PM – 10:00 PM on your

designated watering day, as determined by your address.

(c) Watering with drip irrigation is permitted every Monday, Wednesday, and Friday, but

only between 6:00 – 8:00 AM and 8:00 PM – 10:00 PM.

(d) Use of grey water is allowed at any time.

Stage 6 Response -- EMERGENCY Water Shortage Conditions

Target: Achieve reduction in total water use.

Water Use Restrictions for Reducing Demand. All requirements of Stage 2, 3, 4 and 5

shall remain in effect during Stage 6 with the additional restrictions as follows:

(a) Irrigation of landscaped areas is absolutely prohibited.

ORDINANCE 2013-006 CITY OF CASTROVILLE

WATER MANAGEMENT PLAN

City of Castroville Drought Contingency Plan/Critical Period Management Stage Rules

Based onTCEQ-20191 (Rev. 5-5-05) Page 17 of 30

(b) The filling, refilling or adding of water to all swimming pools, wading pools and

Jacuzzi-type pools is absolutely prohibited.

(c) Use of water to wash any motor vehicle, motorbike, trailer, airplane or other vehicle is

absolutely prohibited, including at commercial car wash facilities.

Section X Plan Review and Update

The City will review and update the Plan as appropriate based on an assessment of the five and

10 year goals, as well as whenever the Plans for SAWS and EAA are updated. At a minimum,

the Plan will be updated every five (5) years.

Section XI Enforcement

(a) No person shall knowingly or intentionally allow the use of water from the City for

residential, commercial, industrial, agricultural, governmental, or any other purpose in a

manner contrary to any provision of this Plan, or in an amount in excess of that permitted

by the drought response stage in effect at the time pursuant to action taken by City

Administrator or his/her designee, in accordance with provisions of this Plan.

(b) Any person who violates this Plan is guilty of a misdemeanor and, upon conviction shall

be punished by a fine of not less than two hundred dollars ($200.00) and not more than

five hundred dollars ($500.00). Each day that one or more of the provisions in this Plan

is violated shall constitute a separate offense. If a person is convicted of three or more

distinct violations of this Plan, the City Administrator shall, upon due notice to the

customer, be authorized to discontinue water service to the premises where such

violations occur. Services discontinued under such circumstances shall be restored only

upon payment of a re-connection charge, hereby established at fifty dollars ($50.00),

and any other costs incurred by the City in discontinuing service. In addition, suitable

assurance must be given to the City Administrator that the same action shall not be

repeated while the Plan is in effect. Compliance with this plan may also be sought

through injunctive relief in the district court.

(c) Any person, including a person classified as a water customer of the City, in apparent

control of the property where a violation occurs or originates shall be presumed to be the

violator, and proof that the violation occurred on the person=s property shall constitute a

rebuttable presumption that the person in apparent control of the property committed the

violation, but any such person shall have the right to show that he/she did not commit

the violation. Parents shall be presumed to be responsible for violations of their minor

children and proof that a violation, committed by a child, occurred on property within the

parent’s control shall constitute a rebuttable presumption that the parent committed the

violation, but any such parent may be excused if he/she proves that he/she had

previously directed the child not to use the water as it was used in violation of this Plan

and that the parent could not have reasonably known of the violation.

ORDINANCE 2013-006 CITY OF CASTROVILLE

WATER MANAGEMENT PLAN

City of Castroville Drought Contingency Plan/Critical Period Management Stage Rules

Based onTCEQ-20191 (Rev. 5-5-05) Page 18 of 30

(d) The City’s police officer, code enforcement officer, or other City employee designated by

the City Administrator may issue a citation to a person he/she reasonably believes to be

in violation of this Ordinance. The citation shall be prepared in duplicate and shall

contain the name and address of the alleged violator, if known, the offense charged, and

shall direct him/her to appear in the municipal court on the date shown on the citation.

The alleged violator shall be served a copy of the citation. Service of the citation shall

be complete upon delivery of the citation to the alleged violator, to an agent or employee

of a violator, or to a person over 14 years of age who is a member of the violator’s

immediate family or is a resident of the violator’s residence. The alleged violator shall

appear in municipal court to enter a plea of guilty or not guilty for the violation of this

Plan. If the alleged violator fails to appear in municipal court, a warrant for his/her arrest

may be issued. A summons to appear may be issued in lieu of an arrest warrant. These

cases shall be expedited and given preferential setting in municipal court before all other

cases.

Section XII Variances

The City Administrator, or his/her designee, may, in writing, grant temporary variance for

existing water uses otherwise prohibited under this Plan if it is determined that failure to grant

such variance would cause an emergency condition adversely affecting the health, sanitation, or

fire protection for the public or the person requesting such variance and if one or more of the

following conditions are met:

(a) Compliance with this Plan cannot be technically accomplished during the duration of the

water supply shortage or other condition for which the Plan is in effect.

(b) Alternative methods can be implemented which will achieve the same level of reduction

in water use.

Persons requesting an exemption from the provisions of this Ordinance shall file a petition for

variance with the City within 5 days after the Plan or a particular drought response stage has

been invoked. All petitions for variances shall be reviewed by the City Administrator, or his/her

designee, and shall include the following:

(a) Name and address of the petitioner(s).

(b) Purpose of water use.

(c) Specific provision(s) of the Plan from which the petitioner is requesting relief.

(d) Detailed statement as to how the specific provision of the Plan adversely affects the

petitioner or what damage or harm will occur to the petitioner or others if petitioner

complies with this Ordinance.

(e) Description of the relief requested.

(f) Period of time for which the variance is sought.

ORDINANCE 2013-006 CITY OF CASTROVILLE

WATER MANAGEMENT PLAN

City of Castroville Drought Contingency Plan/Critical Period Management Stage Rules

Based onTCEQ-20191 (Rev. 5-5-05) Page 19 of 30

(g) Alternative water use restrictions or other measures the petitioner is taking or proposes

to take to meet the intent of this Plan and the compliance date.

(h) Other pertinent information.

Variances granted by the City Administrator or his/her designee may be subject to conditions

which shall be set forth in the variance. Should the City Administrator or his/her designee deny a

variance, the person requesting the variance may appeal such a denial to the City Council.

ORDINANCE 2013-006 CITY OF CASTROVILLE

WATER MANAGEMENT PLAN

Page 20 of 30

ATTACHMENT A.

ORDINANCE 98-002 AND 98-003

ORDINANCE 2013-006 CITY OF CASTROVILLE

WATER MANAGEMENT PLAN

Page 21 of 30

ATTACHMENT B.

ORDINANCE 2013-006

ORDINANCE NO. 2013-006

AN ORDINACE OF THE CITY OF CASTROVILLE, TEXAS, ADOPTING CITY

OF CASTROVILLE WATER MANAGEMENT PLAN AMENDING WATER

CONSERVATION AND REDUCTION MEASURES VIA ORDINANCE NO. 98-

002 ON 9 JUNE 1998 AND ORDINANCE 98-003 ON 14 JULY 1998; AND

ORDINANCE 2009-013 DROUGHT CONTINGENCY PLAN

WHEREAS, it is necessary that the Water Conservation Plan and Drought Contingency

Plans be amended to incorporate additional Texas Commission on

Environmental Quality, Texas Water Develop Board and Edwards Aquifer

Authority requirements as provided in Texas Administrative Code – Title

30 - §288, Texas Administrative Code – Title 31 - § 363.15 and Chapter

715 Subchapter C – Groundwater Conservation and Reuse pertaining to

Water Conservation and Drought Contingency Plans; and

WHEREAS, the City Council of the City of Castroville believes that it is in the best

interest of the City of Castroville to amend its current water conservation

plan;

NOW, THEREFORE BE IT ORDAINED BY THE CITY COUNCIL OF THE CITY OF

CASTROVILLE, TEXAS,

Section 1: That the City of Castroville Water Management Plan attached hereto and

made part hereof for all purposes be, and the same is hereby, adopted as the official

policy of the City.

Section 2: That all ordinances of the City in conflict with the provisions of this

ordinance are, and the same are hereby, repealed and all other ordinances of the City

not in conflict with the provisions of this ordinance shall remain in full force and effect.

Section 3: Should any paragraph, sentence, subdivision, clause, phrase, or section

of this ordinance be adjudged or held to be unconstitutional, illegal, or invalid, the same

shall not affect the validity of this ordinance as a whole or any part or provision thereof,

other than the part so declared to be invalid, illegal, or unconstitutional.

Section 4: This ordinance shall take effect immediately from and after its passage

and the publication of the caption, as the law in such cases provide.

PASSED, APPROVED, AND ADOPTED, This the 9

th

day of April, 2013.

Robert Lee, Mayor

ATTEST:

Debra Howe, City Secretary

ORDINANCE 2013-006 CITY OF CASTROVILLE

WATER MANAGEMENT PLAN

Page 22 of 30

ATTACHMENT C.

CITY OF CASTROVILLE UTILITY PROFILE

Page 1

TWDB-1965

Rev. 9/23/11

TEXAS WATER DEVELOPMENT BOARD

UTILITY PROFIL

E (TWDB - 1965)

(Formerly WRD 264)

The pur

pose of the Utility Profile is to assist with water conservation plan development

and to ensure that important information and data be considered w hen preparing your

water conservation plan and its target and goals. Please complete all questions as completely and objectively

as possible. See Water Conservation Plan Guidance Checklist (TWDB-1968) f or information on other water

conservation plan provisions. You may contact the Municipal Water Conservation Unit of the TWDB at

512.463.7955 or wcpteam@twdb.state.tx.us for assistance.

APPLICANT DATA

Name of Utility: __________________________________________________________________

Public Water Supply Identification Number (PWS ID): ____________________________________

Address: ____________________________________ City: _____________________________

State: ______ Zip Code: _____________ Email: ______________________________________

Telephone Number: _______________ Fax: ______________

Regional Water Planning Group: ______

Groundwater Conservation District: ___________________________________________________

Form Completed By: __________________________________ Title: _______________________

Signature: ___________________________________________ Date: ______________________

Contact information for the person or department responsible for implementing the water

conservation program:

Name: ______________________________________________ Phone: ___________________

Email: ______________________________________________

UTILITY DATA

A. Population and Service Area Data

1. Current population of service area: ______________________________

2. Current population served by utility: Water: ______________________

Wastewater: __________________

City of Castroville

1630005

1209 Fiorella St.

Castroville

TX

78009

dirpublicsvcs@castrovilletx.gov

(830) 931-4090

(830) 931-6373

L

Medina County Groundwater Conservation District

Kim Davis

Director of Public Services

Kim Davis

(830) 931-4090

dirpublicsvcs@castrovilletx.gov

2,960

Page 2

3. Population served by water utility for

the previous five years starting with

the most recent year:

Year

Population

4. Projected population for service area in

the following decades:

Year

Population

2010

2020

2030

2040

2050

5. List source(s)/method(s) for the calculation of current and projected population:

B. Active Connections

1. Current number of active connections by user type. If not a separate classification, check

whether multi-family service is counted as Residential or Commercial

Water User Type* Metered Un-metered Total

Residential Single Family

Residential Multi-family

Commercial/Institutional

Industrial

Other (please describe):

* See Appendix A #1.

2. List the net number of new connections per year for most recent three years:

Water User Type*

Residential Single Family

Residential Multi-family

Commercial/Institutional

Industrial

Other (please describe):

* See Appendix A #1.

2011

2010

2009

2008

2007

2,960

2,808

3,215

3,500

2,680

3,316

3,912

4,180

4,421

2011 Regional Water Plan, City of Castroville Municipal Data and from the Texas Water

Development Board Web site at https://www.twdb.state.tx.us/apps/db12/defaultReadOnly.asp

Unmetered service connections

1,019

32

203

0

1,019

32

203

0

2011

5

2010

4

2009

4

2

TWDB-1965

Rev 9/23/11

Page 3

C. High Volume Customers

List annual water use for the five highest volume retail and wholesale customers.

Please indicate if treated or raw water delivery.

Customer Water User

Type*

Annual Water

Use (in gallons)

Treated Raw

* See Appendix A #1

D. Water Supply System

1. Design daily capacity of system: _____________ gallons per day

2. Storage Capacity: Elevated _____________ gallons per day

Ground _____________ gallons per day

3. If surface water, do you recycle filter backwash to the head of the plant?

Yes No . If yes, approximately _______________ gallons per day.

E. Water Accounting Data

1. Amount of water use in gallons for previous five years.

Please indicate whether: Treated Water

or Raw Water

YEAR

January

February

March

April

May

June

July

August

September

October

November

December

TOTAL

City of Castroville

City

9,245

MV Health & Rehab

Comm

4,605

City of Castroville

City

2,713

Sammy's Restaurant

Comm

1,311

Decock, Hoffman

Ras

1,232

2,692,800

536,000

50,000

2011

12,056,905

11,239,490

17,037,000

20,871,400

20,192,200

21,154,400

22,315,100

23,339,075

20,946,538

16,824,055

12,644,354

12,499,994

211,120,511

2010

12,540,900

10,383,500

12,134,600

12,952,900

15,089,400

18,678,900

16,328,200

24,745,300

14,431,800

15,323,400

14,422,100

14,763,900

181,794,900

2009

13,359,500

13,978,600

16,411,400

15,999,500

17,430,300

22,116,100

23,793,800

21,110,900

14,309,300

12,009,700

11,917,000

12,021,100

194,457,200

2008

13,579,000

14,381,000

14,854,000

15,276,000

18,583,000

24,333,000

16,511,000

15,331,000

16,325,000

15,922,000

14,385,000

13,078,000

192,558,000

2007

12,650,000

11,835,800

13,426,500

12,478,600

13,127,800

14,364,500

12,395,200

15,038,900

28,287,000

16,961,600

14,003,600

13,182,500

177,752,000

TWDB-1965

Rev 9/23/11

Page 4

Please indicate how the above figures were determined (e.g., from a master meter located at the point

of a diversion from a stream or located at a point where raw water enters the treatment plant).

2. Amount of water sold in gallons as recorded by Water User Type for the previous five years

(See Appendix A #1)

Year

Residential

Single Family

Residential

Multi Family

Commercial/

Institutional

Industrial Other Wholesale Total Sold

3. GPCD and Seasonal Water Use for the previous five years

Residential

SEASONAL WATER USE***

Year Population

Total Water

Use

Total gallons

per capita

per day

(GPCD)*

Winter per

capita per

day

Summer per

capita per

day

Five Year Average

* Total GPCD (See Appendix A #2):

*** Seasonal Water Use (See Appendix A #4)

4. Water Loss Data for the previous five years

(See Appendix A #5)

Year Water Loss expressed

in gallons

Water Loss expressed

in GPCD

Water Loss expressed

as a percentage

Five Year Average

GPCD**

** Residential GPCD (See Appendix A #3):

Water meters located at the wells

2011

126,640,000

5,720,000

42,851,000

175,211,000

2010

125,521,492

31,460,000

43,273,177

200,254,669

2009

128,504,181

10,725,000

24,697,374

163,926,555

2008

128,255,623

10,725,000

24,697,374

163,677,998

2007

113,590,736

20,020,000

35,040,719

168,651,455

2011

2,960

211,120,511

195

123

134

251

2010

2,808

181,794,900

177

153

149

236

2009

3,215

194,457,200

166

119

136

232

2008

3,500

192,558,000

151

109

130

178

2007

3,500

177,752,000

139

105

120

133

3,197

191,536,522

166

122

134

206

2011

2010

2009

2008

2007

42,433,600

41,022,000

20,674,737

11,664,098

26,028,963

28,364,680

39

40

18

9

20

25

20.10%

22.56%

10.63%

6.06%

14.64%

14.80%

TWDB-1965

Rev 9/23/11

Page 5

5. Peak Day Use (in gallons) to Average Daily Use (in gallons) Ratio for the previous five years

(See Appendix A #6)

Year Average Daily Use Peak Day Use Ratio

F. Projected Demands

Estimate water supply requirements for at least the next ten years using population trends, historical

water use, and economic growth, etc.

Year Population Water Demand (in gallons)

Indicate sources of data and how projected water demands were determined. Attach additional

sheets if necessary.

2011

2010

2009

2008

2007

578,412

498,068

532,759

527,556

486,992

1,388,189

1,195,363

1,278,622

1,266,134

1,168,781

2.40

2012

2013

2014

2015

2016

2017

2018

2019

2020

2021

3,042

3,077

3,111

3,145

3,179

3,213

3,248

3,282

3,316

3,350

225,685,000

227,738,000

229,790,000

231,843,000

233,896,000

235,949,000

238,002,000

240,055,000

242,408,000

244,160,000

2011 Regional Water Plan, City of Castroville Municipal Data.

TWDB-1965

Rev 9/23/11

Page 6

G. Wastewater System Data

1. Design capacity of wastewater treatment plant(s): _______________ gallons per day

2. Is treated effluent used for:

Use Total Annual Volume (in gallons)

On-site irrigation

Plant wash down

Chlorination/de-chlorination

Industrial

Landscape irrigation (parks, golf courses)

Agricultural

Other (please describe):

Could treated effluent be substituted for certain potable water now being used? Yes No

H. Wastewater Data for Service Area

1. Per

cent of wat

er service area served by wastewater system: _____ %

2. Monthly wastewater volume in gallons, treated for previous five years.

YEAR

January

February

March

April

May

June

July

August

September

October

November

December

TOTAL

350,000

2,073,090

83,510,440

100

2011

7,143,000

6,653,000

6,363,000

6,137,000

6,292,000

5,560,000

6,172,000

6,340,000

5,936,000

7,298,000

6,591,000

6,998,000

77,483,000

2010

7,276,000

7,494,000

7,206,000

8,058,000

8,790,000

7,976,000

8,743,000

7,853,000

7,842,000

7,627,000

6,906,000

7,641,000

93,412,000

2009

9,677,000

5,900,000

8,718,000

7,162,000

7,102,000

5,592,000

7,081,000

11,025,000

10,909,000

11,524,000

11,403,000

12,037,000

108,130,000

2008

5,674,000

5,646,000

6,330,000

6,483,000

7,107,000

7,290,000

7,967,000

8,295,000

7,134,000

8,968,000

8,930,000

9,479,000

89,303,000

2007

11,271,000

6,886,000

8,626,000

9,045,000

8,393,000

9,136,000

11,370,000

15,183,000

15,568,000

12,314,000

10,396,000

11,094,000

129,282,000

Submit Form by Email

Print Form

Reset Form

TWDB-1965

Rev 9/23/11

ORDINANCE 2013-006 CITY OF CASTROVILLE

WATER MANAGEMENT PLAN

Page 23 of 30

ATTACHMENT D.

South Central Texas Regional Water Planning Area’s 2011

Regional Water Plan

South Central Texas

Regional Water Planning Area

2011 Regional

Water Plan

Volume I

Executive Summary

and Regional

Water Plan

September 2010

Prepared by:

South Central Texas Regional Water Planning Group

http://www.regionltexas.org

With administration by:

San Antonio River Authority

With technical assistance by:

HDR Engineering, Inc.

Laura Raun Public Relations

Ximenes & Associates

S A N A N T O N I O

RIVER AUTHORITY

Wa te r B r i n g s U s To ge t h e r

HDR-07755-93053-10 Executive Summary

ES-26

2011 South Central Texas Regional Water Plan

Volume I — September 2010

Table ES-4 (Continued)

County/Water User Group

Demand Need (Shortage)

Recommended Management Strategies to

Meet Needs (Shortages)

Amount from

WMS

2010 2060 2010 2060 2010 2060

(acft) (acft) (acft) (acft) (acft) (acft)

Rural 1,444 2,584 0 0 Municipal Water Conservation 184

Industrial 212 386 0 0

Steam-Electric 1,009 3,627 0 0

Mining 142 163 82 103 Wining Water Conservation 82 103

Irrigation 353 338 0 0

Livestock 280 280 0 0

Karnes County Table 2-12 Table 4A-1 Section 4B.2.13

El Oso WSC 555 728 0 0 Municipal Water Conservation 41 139

Falls City 113 145 0 0 Municipal Water Conservation 8 23

Karnes City

432 512 182 262 Municipal Water Conservation 11

Local Carrizo 323 323

Kenedy

763 993 0 118 Municipal Water Conservation 58 268

Local Gulf Coast Aquifer 161

Runge 195 247 0 0 Municipal Water Conservation 15 37

Rural (TDCJ) 500 500 0 0

Rural 372 822 0 0 Municipal Water Conservation 68 258

Industrial 118 137 0 0

Steam-Electric 0 0 0 0

Mining 106 100 0 0

Irrigation 1,382 836 0 0

Livestock 1,185 1,185 0 0

Kendall County Table 2-12 Table 4A-1 Section 4B.2.14

Boerne

1,570 4,282 0 276 Municipal Water Conservation 98 816

Western Canyon WTP Expansion 276

Rural

2,750 7,460 0 3,514 Municipal Water Conservation 264

Purchase from WWP (GBRA) 3,140

Western Canyon WTP Expansion 374

Industrial 0 0 0 0

Steam-Electric 0 0 0 0

Mining 6 6 0 0

Irrigation 714 646 0 0

Livestock 446 446 0 0

LaSalle County Table 2-12 Table 4A-1 Section 4B.2.15

Cotulla 1,407 1,743 0 0 Municipal Water Conservation 118 745

Encinal 110 107 0 0 Municipal Water Conservation 9 14

Rural 282 500 0 0 Municipal Water Conservation 3 42

Industrial 0 0 0 0

Steam-Electric 0 0 0 0

Mining 0 0 0 0

Irrigation 4,791 4,097 0 0

Livestock 1,687 1,687 0 0

Medina County Table 2-12 Table 4A-1 Section 4B.2.16

Castroville

680 961 294 575 Municipal Water Conservation 53 302

Edwards Transfers 294 575

Drought Management 34

Purchase from WWP (BMWD)

Devine 837 896 0 0 Municipal Water Conservation 63 196

East Medina SUD

881 1,385 0 491 Municipal Water Conservation 54

Edwards Transfers 491

Drought Management 44

Hondo

1,784 2,717 319 1,252 Municipal Water Conservation 125 640

Edwards Transfers 319 1,252

Drought Management 89

La Coste

205 281 92 168 Municipal Water Conservation 11

Edwards Transfers 92 168

Drought Management 10

Natalia

330 519 194 383 Municipal Water Conservation 24 73

Edwards Transfers 194 383

Drought Management 17

Yancey WSC

832 1,603 214 985 Municipal Water Conservation 61 316

Edwards Transfers 214 985

Rural

1,527 2,949 0 1,296 Municipal Water Conservation 244

Edwards Transfers 1,296

Industrial 67 103 0 0

Steam-Electric 0 0 0 0

Mining 130 143 0 0

Irrigation 54,450 44,015 7,770 0 Irrigation Water Conservation 7,770 0

Livestock 1,298 1,298 0 0

Refugio County Table 2-12 Table 4A-1 Section 4B.2.17

Refugio 645 777 0 0 Municipal Water Conservation 44 144

Woodsboro 283 293 0 0 Municipal Water Conservation 5 20

Rural 321 232 0 0

Industrial 0 0 0 0

Steam-Electric 0 0 0 0

Mining 7 8 0 0

HDR-07755-93053-10 Description of the South Central Texas Region

1-54

2011 South Central Texas Regional Water Plan

Volume I — September 2010

Table 1-11 (Concluded)

No. Utility Name

Population

Served

Water

Produced

(acft)

Water

Loss

(acft)

Percent

Loss

(%)

Per

Capita

Use

(gpcd)

80 CITY OF BOERNE 8,900 1,712.56 213.47 12.46 172

81 CITY OF CASTROVILLE 3,500 680.38 143.03 21.02 174

82 CITY OF CIBOLO 8,500 859.91 32.41 3.77 90

83 CITY OF CONVERSE 11,508 1,661.22 262.92 15.83 129

84 CITY OF CUERO 6,571 1,888.44 688.73 36.47 257

85 CITY OF DEVINE 4,140 793.04 12.45 1.57 171

86 CITY OF DILLEY 3,697 647.76 215.69 33.30 156

87 CITY OF GOLIAD 2,018 358.19 22.84 6.38 158

88 CITY OF GONZALES 7,802 2,290.08 803.39 35.08 262

89 CITY OF HONDO 8,481 1,904.69 436.05 22.89 200

90 CITY OF KARNES CITY 3,457 376.51 Not reported 97

91 CITY OF KIRBY 8,673 902.79 135.68 15.03 93

92 CITY OF KYLE 18,500 2,105.04 311.36 14.79 102

93 CITY OF LIVE OAK 7,000 1,255.16 149.02 11.87 160

94 CITY OF NIXON 2,036 817.60 24.23 2.96 358

95 CITY OF PEARSALL 7,257 1,656.79 137.75 8.31 204

96 CITY OF PORT LAVACA 12,000 1,498.25 230.72 15.40 111

97 CITY OF REFUGIO 2,941 604.55 133.38 22.06 184

98 CITY OF SAN MARCOS 49,307 6,228.61 883.64 14.19 113

99 CITY OF SCHERTZ 26,780 3,770.62 169.65 4.50 126

100 CITY OF SHAVANO PARK 1,754 781.16 102.48 13.12 398

101 CITY OF STOCKDALE 2,015 488.38 Not reported 216

102 CITY OF UNIVERSAL CITY 14,849 2,551.51 167.43 6.56 153

103 CITY OF UVALDE 16,233 3,770.85 653.36 17.33 207

104 CITY OF VICTORIA 61,703 10,493.86 1,348.15 12.85 152

105 CITY OF YOAKUM 5,731 1,013.04 110.33 10.89 158

106 EAST MEDINA COUNTY SUD UNIT 1 8,600 767.66 166.64 21.71 80

107 EL OSO WSC 4,242 717.85 190.24 26.50 151

108 FAIR OAKS RANCH UTILITIES 5,602 1,456.17 131.79 9.05 232

109 GONZALES COUNTY WSC 6,555 1,396.28 233.52 16.72 190

110 GREEN VALLEY SUD 27,741 2,860.25 464.79 16.25 92

111 KENDALL COUNTY WCID 1 2,301 306.14 46.08 15.05 119

112 MAXWELL WSC 5,145 383.90 41.73 10.87 67

113 NEW BRAUNFELS UTILITIES 50,805 10,544.86 1,710.35 16.22 185

114 OAK HILLS WSC 4,000 550.16 2.37 0.43 123

115 PORT OCONNOR MUD 3,759 295.50 27.30 9.24 70

116 S S WSC 11,475 1,585.98 41.39 2.61 123

117 SAN ANTONIO WATER SYSTEM 1,239,399 181,035.57 11,797.59 6.52 130

118 SUNKO WSC 3,486 514.48 89.80 17.45 132

119 WIMBERLEY WSC 5,600 652.82 79.78 12.22 104

Subtotal Utilities with More than 280 acft/yr 1,940,862 299,252 27,939 9.34 138

TOTAL 1,982,769 305,030 28,856 9.46 137

HDR-07755-93053-10 Population and Water Demand Projections

2-8

2011 South Central Texas Regional Water Plan

Volume I — September 2010

Table 2-3 (Continued)

Basin/County/City/Rural

Census Projections

1990 2000 2010 2020 2030 2040 2050 2060

Guadalupe (part) - San Antonio

Cibolo 1,757 3,035 4,497 6,284 8,216 10,146 12,287 14,593

Marion 1,027 1,099 1,213 1,353 1,504 1,655 1,822 2,002

New Berlin 571 698 854 1,045 1,278 1,563

Schertz 14,891 17,333 24,565 33,403 42,957 52,502 63,092 74,497

Selma 50 173 253 334 389 453 523

Green Valley SUD 5,739 7,615 10,004 12,584 15,154 18,003 21,065

Springs Hill WSC 1,676 1,942 2,268 2,620 2,972 3,362 3,782

East Central SUD 747 509 701 896 1,053 1,187 1,292

Water Service Inc. (Apex) 170 217 274 336 398 466 540

Santa Clara 722 1,439 2,316 3,264 4,211 5,261 6,392

County-Other (Rural) 1,385 462 403 322 231 149 80 18

Total 19,060 31,033 43,144 57,876 73,796 89,674 107,291 126,267

Karnes (part) - San Antonio

Karnes city 2,916 3,457 3,710 4,008 4,322 4,573 4,728 4,812

Kenedy 3,763 3,487 3,585 3,965 4,266 4,522 4,793 4,950

Runge 1,139 1,080 1,099 1,209 1,294 1,367 1,445 1,503

Falls City 591 644 706 772 825 857 875

El Oso WSC 2,419 2,609 2,833 3,069 3,258 3,374 3,437

Sunko WSC 287 316 350 385 413 430 440

County-Other (Rural) 3,977 3,806 4,656 5,303 6,117 6,749 6,991 7,098

Total 11,795 15,127 16,619 18,374 20,225 21,707 22,618 23,115

Kendall (part) - San Antonio

Boerne 4,274 6,178 8,600 12,208 16,065 19,286 21,925 24,506

Fairoaks Ranch 169 650 1,234 1,282 1,308 1,335 1,362 1,389

Water Service Inc. (Apex) 255 313 383 457 519 570 620

County-Other (Rural) 4,260 6,543 10,043 14,299 18,820 22,601 25,705 28,740

Total 8,703 13,626 20,190 28,172 36,650 43,741 49,562 55,255

Medina (part) - San Antonio

Castroville 2,159 2,664 2,974 3,316 3,636 3,912 4,180 4,421

La Coste 1,021 1,255 1,399 1,558 1,706 1,834 1,958 2,070

Yancey WSC 3,550 4,531 5,615 6,627 7,502 8,352 9,115

East Medina SUD 327 384 447 506 557 607 651

Bexar Met Water District (BMWD) 115 186 264 337 400 461 516

County-Other (Rural) 2,251 210 269 333 393 445 494 541

Total 5,431 8,121 9,743 11,533 13,205 14,650 16,052 17,314

Refugio (part) - San Antonio

County-Other (Rural) 86 72 65 60 59 55 53 54

Total 86 72 65 60 59 55 53 54

Victoria (part) - San Antonio

County-Other (Rural) 273 48 56 64 71 76 80 84

Total 273 48 56 64 71 76 80 84

HDR-07755-93053-10 Population and Water Demand Projections

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2011 South Central Texas Regional Water Plan

Volume I — September 2010

Table 2-12 (Continued)

Basin/County/City/Rural

Use in

1990

(acft)

Use in

2000

(acft)

Projections

2010

(acft)

2020

(acft)

2030

(acft)

2040

(acft)

2050

(acft)

2060

(acft)

Kendall (part) - San Antonio

Boerne 785 1,170 1,570 2,188 2,843 3,370 3,831 4,282

Fairoaks Ranch 64 152 286 296 300 305 310 316

Water Service Inc (Apex) 37 43 52 61 69 75 81

County-Other (Rural) 515 748 1,080 1,506 1,939 2,304 2,620 2,930

Municipal Demand 1,364 2,107 2,979 4,042 5,143 6,048 6,836 7,609

Manufacturing Demand 2 0 0 0 0 0 0 0

Steam-Electric Power Demand 0 0 0 0 0 0 0 0

Irrigation Demand 0 107 194 189 185 181 177 174

Mining Demand 0 0 0 0 0 0 0 0

Livestock Demand 70 80 80 80 80 80 80 80

Total Demand 1,436 2,294 3,253 4,311 5,408 6,309 7,093 7,863

Medina (part) - San Antonio

Castroville 779 621 680 743 802 854 908 961

La Coste 229 190 205 222 239 251 265 281

Yancey Water Supply Corp. 668 832 1,013 1,180 1,328 1,469 1,603

East Medina Special Utility Dist. 42 48 54 60 65 70 75

Bexar Met Water District 15 24 33 41 47 54 60

County-Other (Rural) 258 30 38 46 54 60 67 73

Municipal Demand 1,266 1,566 1,827 2,111 2,376 2,605 2,833 3,053

Manufacturing Demand 0 0 0 0 0 0 0 0

Steam-Electric Power Demand 0 0 0 0 0 0 0 0

Irrigation Demand 24,184 9,422 9,093 8,714 8,351 8,003 7,670 7,350

Mining Demand 53 56 62 64 65 66 67 68

Livestock Demand 224 182 182 182 182 182 182 182

Total Demand 25,727 11,226 11,164 11,071 10,974 10,856 10,752 10,653

Refugio (part) - San Antonio

County-Other (Rural) 11 8 7 6 6 5 5 5

Municipal Demand 11 8 7 6 6 5 5 5

Manufacturing Demand 0 0 0 0 0 0 0 0

Steam-Electric Power Demand 0 0 0 0 0 0 0 0

Irrigation Demand 0 0 0 0 0 0 0 0

Mining Demand 0 0 0 0 0 0 0 0

Livestock Demand 21 25 25 25 25 25 25 25

Total Demand 32 33 32 31 31 30 30 30

Victoria (part) - San Antonio

County-Other (Rural) 34 5 5 6 7 7 7 7

Municipal Demand 34 5 5 6 7 7 7 7

Manufacturing Demand 0 0 0 0 0 0 0 0

Steam-Electric Power Demand 0 0 0 0 0 0 0 0

Irrigation Demand 0 0 0 0 0 0 0 0

Mining Demand 0 0 0 0 0 0 0 0

Livestock Demand 70 61 61 61 61 61 61 61

Total Demand 104 66 66 67 68 68 68 68

HDR-07755-93053-10 Comparison of Supply and Demand Projections to Determine Needs

4A-8

2011 South Central Texas Regional Water Plan

Volume I — September 2010

Table 4A-1 (Continued)

Water User Group

Year

2010

(acft)

2020

(acft)

2030

(acft)

2040

(acft)

2050

(acft)

2060

(acft)

Medina County

Castroville

294 357 416 468 522 575

Devine

0 0 0 0 0 0

East Medina SUD

0 104 214 303 397 491

Hondo

319 536 740 910 1,083 1,252

La Coste

92 109 126 138 152 168

Natalia

194 238 279 314 349 383

Yancey WSC

214 395 562 710 851 985

County-Other

0

236 528 787 1,055 1,296

Municipal Total

1,113 1,975 2,865 3,630 4,409 5,150

Manufacturing

0 0 0 0 0 0

Steam-Electric Power

0 0 0 0 0 0

Mining

0 0 0 0 0 0

Irrigation

7,770 5,878 4,067 2,332 670 0

Livestock

0

0 0 0 0 0

County Total

8,883 7,853 6,932 5,962 5,079 5,150

Refugio County

Refugio

0 0 0 0 0 0

Woodsboro

0 0 0 0 0 0

County-Other

0 0 0 0 0 0

Municipal Total

0 0 0 0 0 0

Manufacturing

0 0 0 0 0 0

Steam-Electric Power

0 0 0 0 0 0

Mining

0 0 0 0 0 0

Irrigation

0 0 0 0 0 0

Livestock

0 0 0 0 0 0

County Total

0 0 0 0 0 0

Uvalde County

Sabinal

127 123 118 113 109 109

Uvalde

3,172 3,209 3,229 3,233 3,235 3,263

County-Other

0 0 0 0 0 0

Municipal Total

3,299 3,332 3,347 3,346 3,344 3,372

Manufacturing

0 0 0 0 0 0

Steam-Electric Power

0 0 0 0 0 0

Mining

0 0 0 0 0 0

Irrigation

0 0 0 0 0 0

Livestock

0

0 0 0 0 0

County Total

3,299 3,332 3,347 3,346 3,344 3,372

HDR-07755-93053-10 Water Supply Plan — Medina County

4B.2-169

2011 South Central Texas Regional Water Plan

Volume I – September 2010

4B.2.16 Medina County Water Supply Plan

Table 4B.2.16-1 lists each water user group in Medina County and its corresponding

management supply or shortage in years 2010 and 2060. For each water user group with a

projected shortage, or need, a water supply plan has been developed and is presented in the

following subsections.

Table 4B.2.16-1.

Medina County Management Supply/Shortage by Water User Group

Water User Group

Management

Supply/Shortage

Comment

2010

(acft/yr)

2060

(acft/yr)

Benton City WSC See Atascosa County

Bexar Metropolitan Water District See Bexar County

City of Castroville -294 -575 Projected shortage (2010 through 2060)

City of Devine 146 87 No projected shortage

East Medina SUD 13 -491 Projected shortage (2020 through 2060)

City of Hondo -319 -1,252 Projected shortage (2010 through 2060)

City of La Coste -92 -168 Projected shortage (2010 through 2060)

City of Lytle See Atascosa County

City of Natalia -194 -383 Projected shortage (2010 through 2060)

Yancey WSC -214 -985 Projected shortage (2010 through 2060)

Rural Area Residential and Commercial* 229 -1,193 Projected shortage (2020 through 2060)

Industrial 1,246 1,210 No projected shortage

Steam-Electric Power 0 0 No projected demand

Mining 13 0 No projected shortage

Irrigation* -4,994 5,441 Projected shortage (2010 through 2030)

Livestock 0 0 No projected shortage

*These values represent the sum of the Surplus/Shortage values for each river basin and/or across the entire county. These

values may differ from the Need value reported in other tables because the Need represents only the sum of the shortages.

4B.2.16.1 City of Castroville

Current water supply for the City of Castroville is obtained from the Edwards Aquifer.

Castroville is projected to need additional water supplies prior to 2010. Working within the

planning criteria established by the SCTRWPG and the TWDB, it is recommended that

Castroville implement the following water supply plan to meet the projected needs for the city

(Table 4B.2.16-2).

HDR-07755-93053-10 Water Supply Plan — Medina County

4B.2-170

2011 South Central Texas Regional Water Plan

Volume I – September 2010

 Municipal Water Conservation to be implemented or enhanced in the immediate

future. This strategy can provide an additional 53 acft/yr by 2010, increasing to

302 acft/yr of supply in 2060 (Volume II, Section 4C.1.1).

 Edwards Transfers to be implemented prior to 2010. This strategy can provide an

additional 294 acft/yr by 2010, increasing to 575 acft/yr of supply in 2060.

 Drought Management to be implemented or enhanced in the immediate future. This

strategy can provide an additional 34 acft/yr by 2010.

 Facilities Expansions (Systems Interconnect)

Table 4B.2.16-2.

Recommended Water Supply Plan for the City of Castroville

2010

(acft/yr)

2020

(acft/yr)

2030

(acft/yr)

2040

(acft/yr)

2050

(acft/yr)

2060

(acft/yr)

Projected Need (Shortage) 294 357 416 468 522 575

Recommended Plan

Municipal Water Conservation 53 111 176 242 270 302

Edwards Transfers 294 357 416 468 522 575

Drought Management 34 — — — — —

Facilities Expansions — — — — — —

Total New Supply 381 468 592 710 792 877

Estimated costs of the recommended plan to meet the City of Castroville’s projected

needs are shown in Table 4B.2.16-3.

Table 4B.2.16-3.

Recommended Plan Costs by Decade for the City of Castroville

Plan Element 2010 2020 2030 2040 2050 2060

Municipal Water Conservation

Annual Cost ($/yr) $39,208 $67,285 $99,086 $132,169 $146,096 $163,265

Unit Cost ($/acft) $740 $606 $563 $546 $541 $541

Edwards Transfers

Annual Cost ($/yr) $133,476 $162,078 $188,864 $212,472 $236,988 $261,050

Unit Cost ($/acft) $454 $454 $454 $454 $454 $454

Drought Management

Annual Cost ($/yr) $110,122 — — — — —

Unit Cost ($/acft) $3,239 — — — — —

Facilities Expansions

Annual Cost ($/yr) $1,033,000 $1,033,000 $70,000 $70,000 $70,000 $70,000

Unit Cost ($/acft)

—

— — — — —

HDR-07755-93053-10 Water Supply Plan — Medina County

4B.2-171

2011 South Central Texas Regional Water Plan

Volume I – September 2010

In addition, City of Castroville is a potential participant with BMWD in the Medina Lake

Firm-Up (ASR) water management strategy.

4B.2.16.2 City of Devine

The City of Devine is projected to have adequate water supplies available from the

Edwards Aquifer and the Carrizo Aquifer to meet the city’s projected demands during the

planning period. Working within the planning criteria established by the SCTRWPG and the

TWDB, it is recommended that the City of Devine implement the following water supply plan

(Table 4B.2.16-4).

 Municipal Water Conservation to be implemented or enhanced in the immediate

future. This strategy can provide an additional 63 acft/yr by 2010, increasing to

196 acft/yr of supply in 2060 (Volume II, Section 4C.1.1).

Table 4B.2.16-4.

Recommended Water Supply Plan for the City of Devine

2010

(acft/yr)

2020

(acft/yr)

2030

(acft/yr)

2040

(acft/yr)

2050

(acft/yr)

2060

(acft/yr)

Projected Need (Shortage) 0 0 0 0 0 0

Recommended Plan

Municipal Water Conservation 63 127 152 159 175 196

Total New Supply 63 127 152 159 175 196

Estimated costs of the recommended plan for the City of Devine are shown in

Table 4B.2.16-5.

Recommended Plan Costs by Decade for the City of Devine

Plan Element 2010 2020 2030 2040 2050 2060

Municipal Water Conservation

Annual Cost ($/yr) $48,304 $79,690 $88,673 $88,210 $95,560 $106,876

Unit Cost ($/acft) $767 $627 $583 $555 $546 $545

HDR-07755-93053-10

Appendix C

Total in

Source 2000 2010 2020 2030 2040 2050 2060

(acft)

Municipal Demand

Nueces Basin

Benton City WSC 336 414 504 589 661 737 805

Devine 830 837 850 856 862 878 896

East Medina SUD 735 833 944 1,048 1,132 1,221 1,310

Hondo 1,601 1,784 2,001 2,205 2,375 2,548 2,717

Lytle* 63 62 60 59 58 58 58

Natalia 291 330 374 415 450 485 519

Rural 1,194 1,489 1,816 2,108 2,367 2,635 2,876

Subtotal 5,050 5,749 6,549 7,280 7,905 8,562 9,181

San Antonio Basin

Bexar Met Water District* 15 24 33 41 47 54 60

Castroville 621 680 743 802 854 908 961

East Medina SUD 42 48 54 60 65 70 75

La Coste 190 205 222 239 251 265 281

Yancey WSC 668 832 1,013 1,180 1,328 1,469 1,603

Rural 30 38 46 54 60 67 73

Subtotal 1,566 1,827 2,111 2,376 2,605 2,833 3,053

Total Municipal Demand 6,616 7,576 8,660 9,656 10,510 11,395 12,234

Municipal Existing Supply

Nueces Basin

Benton City WSC Carrizo 587 587 587 587 587 587 587

Devine Edwards 512 512 512 512 512 512 512

Carrizo 471 471 471 471 471 471 471

Devine Subtotal 983 983 983 983 983 983 983

East Medina SUD Edwards 846 846 846 846 846 846 846

Hondo Edwards 1,465 1,465 1,465 1,465 1,465 1,465 1,465

Lytle Edwards 46 46 46 46 46 46 46

Natalia Edwards 136 136 136 136 136 136 136

Rural Edwards 441 441 441 441 441 441 441

Carrizo 1,139 1,139 1,139 1,139 1,139 1,139 1,139

Rural Subtotal 1,580 1,580 1,580 1,580 1,580 1,580 1,580

Subtotal 5,643 5,643 5,643 5,643 5,643 5,643 5,643

San Antonio Basin

Bexar Met Water District Edwards (BMWD) 9 9 9 9 9 9 9

Castroville Edwards 386 386 386 386 386 386 386

East Medina SUD Edwards 48 48 48 48 48 48 48

La Coste Edwards 113 113 113 113 113 113 113

Yancey WSC Edwards 618 618 618 618 618 618 618

Rural Edwards 175 175 175 175 175 175 175

Trinity 1 1 1 1 1 1 1

Rural Subtotal 176 176 176 176 176 176 176

Subtotal 1,350 1,350 1,350 1,350 1,350 1,350 1,350

Total Municipal Existing Supply 6,993 6,993 6,993 6,993 6,993 6,993 6,993

Basin

Table C-16

Projected Water Demands, Supplies, and Needs

Medina County

South Central Texas Region

Projections

2011 South Central Texas Regional Water Plan

Volume I — September 2010

C-97

HDR-07755-93053-10

Appendix C

Total in

Source 2000 2010 2020 2030 2040 2050 2060

(acft)

Basin

Table C-16

Projected Water Demands, Supplies, and Needs

Medina County

South Central Texas Region

Projections

Municipal Surplus/Shortage

Nueces Basin

Benton City WSC 251 173 83 -2 -74 -150 -218

Devine 153 146 133 127 121 105 87

East Medina SUD 111 13 -98 -202 -286 -375 -464

Hondo -136 -319 -536 -740 -910 -1,083 -1,252

Lytle* -17 -16 -14 -13 -12 -12 -12

Natalia -155 -194 -238 -279 -314 -349 -383

Rural 386 91 -236 -528 -787 -1,055 -1,296

Subtotal 593 -106 -906 -1,637 -2,262 -2,919 -3,538

San Antonio Basin

Bexar Met Water District* -6 -15 -24 -32 -38 -45 -51

Castroville -235 -294 -357 -416 -468 -522 -575

East Medina SUD 6 0 -6 -12 -17 -22 -27

La Coste -77 -92 -109 -126 -138 -152 -168

Yancey WSC -50 -214 -395 -562 -710 -851 -985

Rural 146 138 130 122 116 109 103

Subtotal -216 -477 -761 -1,026 -1,255 -1,483 -1,703

Total Municipal Surplus/Shortage 377 -583 -1,667 -2,663 -3,517 -4,402 -5,241

Municipal New Supply Need

Nueces Basin

Benton City WSC 0 0 0 2 74 150 218

Devine 0 0 0 0 0 0 0

East Medina SUD 0 0 98 202 286 375 464

Hondo 136 319 536 740 910 1,083 1,252

Lytle* 17 16 14 13 12 12 12

Natalia 155 194 238 279 314 349 383

Rural 0 0 236 528 787 1,055 1,296

Subtotal 308 529 1,122 1,764 2,383 3,024 3,625

San Antonio Basin

Bexar Met Water District* 6 15 24 32 38 45 51

Castroville 235 294 357 416 468 522 575

East Medina SUD 0 0 6 12 17 22 27

La Coste 77 92 109 126 138 152 168

Yancey WSC 50 214 395 562 710 851 985

Rural 0 0 0 0 0 0 0

Subtotal 368 615 891 1,148 1,371 1,592 1,806

Total Municipal New Supply Need 676 1,144 2,013 2,912 3,754 4,616 5,431

Industrial Demand

Nueces Basin 56 67 75 82 89 95 103

San Antonio Basin 0 0 0 0 0 0 0

Total Industrial Demand 56 67 75 82 89 95 103

Industrial Existing Supply

Nueces Basin Edwards 963 963 963 963 963 963 963

San Antonio Basin Edwards 350 350 350 350 350 350 350

Total Industrial Existing Supply 1,313 1,313 1,313 1,313 1,313 1,313 1,313

Industrial Surplus/Shortage

Nueces Basin 907 896 888 881 874 868 860

San Antonio Basin 350 350 350 350 350 350 350

Total Industrial Surplus/Shortage 1,257 1,246 1,238 1,231 1,224 1,218 1,210

2011 South Central Texas Regional Water Plan

Volume I — September 2010

C-98

HDR-07755-93053-10 Appendix D

D-7

2011 South Central Texas Regional Water Plan

Volume I — September 2010

Appendix D, Table 3 (Continued)

County/Water User Group

Demand Need (Shortage)

Recommended Management Strategies to

Meet Needs (Shortages)

Amount from

WMS

2010 2060 2010 2060 2010 2060

(acft) (acft) (acft) (acft) (acft) (acft)

Steam-Electric 0 0 0 0

Mining 106 100 0 0

Irrigation 1,382 836 0 0

Livestock 1,185 1,185 0 0

Kendall County

Table 2

-

12

Table 4A

-

1

Section

4B.2.14

Boerne

1,570 4,282 0 276 Municipal Water Conservation 98 816

Western Canyon WTP Expansion 276

Rural

2,750 7,460 0 3,514 Municipal Water Conservation 264

Purchase from WWP (GBRA) 3,140

Western Canyon WTP Expansion 374

Industrial 0 0 0 0

Steam-Electric 0 0 0 0

Mining 6 6 0 0

Irrigation 714 646 0 0

Livestock 446 446 0 0

LaSalle County

Table 2

-

12

Table 4A

-

1

Section 4B.2.15

Cotulla 1,407 1,743 0 0 Municipal Water Conservation 118 745

Encinal 110 107 0 0 Municipal Water Conservation 9 14

Rural 282 500 0 0 Municipal Water Conservation 3 42

Industrial 0 0 0 0

Steam-Electric 0 0 0 0

Mining 0 0 0 0

Irrigation 4,791 4,097 0 0

Livestock 1,687 1,687 0 0

Medina County

Table 2

-

12

Table 4A

-

1

Section 4B.2.16

Castroville

680 961 294 575 Municipal Water Conservation 53 302

Edwards Transfers 294 575

Drought Management 34

Purchase from WWP (BMWD)

Devine 837 896 0 0 Municipal Water Conservation 63 196

East Medina SUD

881 1,385 0 491 Municipal Water Conservation 54

Edwards Transfers 491

Drought Management 44

Hondo

1,784 2,717 319 1,252 Municipal Water Conservation 125 640

Edwards Transfers 319 1,252

Drought Management 89

La Coste

205 281 92 168 Municipal Water Conservation 11

Edwards Transfers 92 168

Drought Management 10

Natalia

330 519 194 383 Municipal Water Conservation 24 73

Edwards Transfers 194 383

Drought Management 17

Yancey WSC

832 1,603 214 985 Municipal Water Conservation 61 316

Edwards Transfers 214 985

Rural

1,527 2,949 0 1,296 Municipal Water Conservation 244

Edwards Transfers 1,296

Industrial 67 103 0 0

Steam-Electric 0 0 0 0

Mining 130 143 0 0

Irrigation 54,450 44,015 7,770 0 Irrigation Water Conservation 7,770

Livestock 1,298 1,298 0 0

Refugio County

Table 2

-

12

Table 4A

-

1

Section 4B.2.17

Refugio 645 777 0 0 Municipal Water Conservation 44 144

Woodsboro 283 293 0 0 Municipal Water Conservation 5 20

Rural 321 232 0 0

Industrial 0 0 0 0

Steam-Electric 0 0 0 0

Mining 7 8 0 0

Irrigation 69 69 0 0

Livestock 623 623 0 0

Uvalde County

Table 2

-

12

Table

4A

-

1

Section 4B.2.18

Sabinal

407 389 127 109 Municipal Water Conservation 34 145

Edwards Transfers 127 109

Drought Management 20

Uvalde

6,087 6,178 3,172 3,263 Municipal Water Conservation 521 2,652

Edwards Transfers 3,172 3,263

Drought Management 304

Rural 1,572 2,532 0 0 Municipal Water Conservation 137

Industrial 432 538 0 0

Steam-Electric 0 0 0 0

Mining 313 418 0 0

Irrigation 55,791 45,703 0 0

Livestock 1,284 1,284 0 0

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Municipal(cont.)

 2010 2020 2030 2040 2050 2060

Boerne 

Monetaryvalueofdomesticwatershortages $0.00 $0.00 $0.00 $0.00 $0.00 $0.25

Lostutilityrevenues $0.00 $0.00 $0.00 $0.00 $0.00 $0.50

BulverdeCity 

Monetaryvalueofdomesticwatershortages $6.31 $24.37 $39.17 $59.32 $75.71 $93.29

Lostincomefromreducedcommercialbusinessactivity $2.26 $5.50 $9.19 $12.86 $16.68 $20.77

Lostjobsduetoreducedcommercialbusinessactivity 91 221 369 517 671 835

Loststateandlocaltaxesfromreducedcommercialbusinessactivity $0.32 $0.78 $1.31 $1.83 $2.38 $2.96

Lostutilityrevenues $1.17 $2.41 $3.83 $5.23 $6.69 $8.26

CanyonLakeWSC 

Monetaryvalueofdomesticwatershortages $0.00 $0.00 $0.11 $3.17 $25.78 $47.65

Lostutilityrevenues $0.00 $0.00 $0.23 $3.95 $8.03 $12.17

CastleHills 

Monetaryvalueofdomesticwatershortages $0.12 $0.10 $0.08 $0.07 $0.05 $0.05

Lostutilityrevenues $0.19 $0.16 $0.14 $0.11 $0.09 $0.09

Castroville 

Monetaryvalueofdomesticwatershortages $3.63 $4.28 $5.55 $8.93 $9.88 $10.75

Lostincomefromreducedcommercialbusinessactivity $0.94 $1.41 $1.84 $2.22 $2.68 $3.08

Lostjobsduetoreducedcommercialbusinessactivity 22 33 43 51 61 70

Loststateandlocaltaxesfromreducedcommercialbusinessactivity $0.79 $1.17 $1.54 $1.86 $2.19 $2.51

Lostutilityrevenues $0.58 $0.71 $0.82 $0.93 $1.03 $1.14

Converse 

Monetaryvalueofdomesticwatershortages $0.00 $0.00 $0.12 $0.51 $0.92 $1.57

Lostutilityrevenues $0.00 $0.00 $0.24 $0.81 $1.29 $1.74

CountyLineWSC 

Monetaryvalueofdomesticwatershortages $0.00 $13.95 $20.67 $22.12 $32.21 $41.84

Lostincomefromreducedcommercialbusinessactivity $0.00 $1.99 $2.98 $3.21 $3.89 $5.04

Lostjobsduetoreducedcommercialbusinessactivity 0 80 120 129 156 203

Loststateandlocaltaxesfromreducedcommercialbusinessactivity $0.00 $0.31 $0.46 $0.50 $0.60 $0.78

Lostutilityrevenues $0.00 $1.89 $2.59 $2.91 $3.50 $4.35



38

South Central Texas

Regional Water Planning Area

September 2010

Prepared by:

South Central Texas Regional Water Planning Group

http://www.regionltexas.org

With administration by:

San Antonio River Authority

With technical assistance by:

HDR Engineering, Inc.

Laura Raun Public Relations

Ximenes & Associates

S A N A N T O N I O

RIVER AUTHORITY

Wa te r B r i n g s U s To ge t h e r

Volume II

Technical Evaluations

of Water Management

Strategies

2011 Regional

Water Plan

HDR-07755-93053-10 Water Conservation (Demand Reduction)

8

4C.1-8

2011 South Central Texas Regional Water Plan

Volume II – September 2010

Table 4C.1-3 (Concluded)

County

Number Water User Group* County

Per Capita Water Use with Low Flow Plumbing Fixtures

2000

(gpcd)

2010

(gpcd)

2020

(gpcd)

2030

(gpcd)

2040

(gpcd)

2050

(gpcd)

2060

(gpcd)

87 Nixon Gonzales 169 166 162 160 157 156 156

88 Refugio Refugio 169 164 161 158 156 155 155

89 Springs Hill WSC Guadalupe 172 168 164 162 160 159 159

90 County-Other Caldwell 173 172 170 167 162 159 159

91 Lytle Atascosa 174 171 167 164 161 160 160

92 Cibolo Guadalupe 176 172 169 168 167 167 167

93 Helotes Bexar 176 172 170 170 169 169 169

94 Jourdanton Atascosa 177 173 169 166 164 163 163

95 Castle Hills Bexar 178 174 171 168 165 163 163

96 Devine Medina 179 175 172 168 165 164 164

97 Pearsall Frio 179 176 173 170 166 165 165

98 Big Wells Dimmit 180 176 173 170 167 166 166

99 Gonzales Gonzales 181 177 174 171 169 168 168

100 Hondo Medina 181 176 173 171 169 168 168

101 Seguin Guadalupe 181 177 174 171 169 168 168

102 Asherton Dimmit 182 177 174 171 168 167 167

103 Floresville Wilson 183 179 175 172 170 169 169

104 Woodcreek Utilities Inc. Hays 183 179 177 177 176 176 176

105 Somerset Bexar 185 180 177 174 173 172 172

106 Kenedy Karnes 194 190 186 183 180 179 179

107 Poteet Atascosa 197 194 191 187 184 183 183

108 La Vernia Wilson 198 194 191 189 187 187 187

109 Pleasanton Atascosa 198 195 191 188 185 184 184

110 New Braunfels Comal 204 200 196 194 193 192 192

111 Stockdale Wilson 205 201 197 194 192 191 191

112 China Grove Bexar 206 201 197 195 194 193 193

113 Castroville Medina 208 204 200 197 195 194 194

114 Fairoaks Ranch Bexar 209 207 206 205 204 203 203

115 Windcrest Bexar 212 209 206 203 200 198 198

116 Garden Ridge Comal 217 212 208 205 204 203 203

117 Mustang Ridge Caldwell 222 217 213 211 210 209 209

118 Sabinal Uvalde 232 229 226 223 220 218 218

119 Alamo Heights Bexar 244 241 237 234 231 230 230

120 Dilley Frio 253 250 247 244 243 242 242

121 Gonzales County WSC Gonzales 264 260 256 254 252 251 251

122 Crystal City Zavala 270 267 263 260 257 256 256

123 Carrizo Springs Dimmit 275 271 268 265 262 261 261

124 Selma Bexar 312 307 304 302 301 300 300

125 Cotulla La Salle 314 310 307 304 301 300 300

126 Uvalde Uvalde 363 359 356 353 350 348 348

127 Lackland AFB (CDP) Bexar 393 389 386 383 380 378 378

128 Shavano Park Bexar 408 405 402 398 395 394 394

129 Hollywood Park Bexar 667 664 660 657 654 653 653

130 Hill Country Village Bexar 731 728 725 722 719 717 717

* Some Water User Groups are located in more than one county and more than one river basin. The county in which the major

part of the service area is located is named in this table. However, in later tables, water conservation estimates and costs are

shown for service areas located in each county and river basin in which the WUG provides service.

HDR-07755-93053-10 Water Conservation (Demand Reduction)

31

4C.1-31

2011 South Central Texas Regional Water Plan

Volume II – September 2010

Table 4C-1-10 (Concluded)

County

Number

Water User Group* County

Plumbing Fixtures and Clothes Washers

Retrofit Plus Lawn Irrigation Conservation

2010

(acft/yr)

2020

(acft/yr)

2030

(acft/yr)

2040

(acft/yr)

2050

(acft/yr)

2060

(acft/yr)

88 Refugio Refugio 44 94 100 114 130 144

89 Springs Hill WSC Guadalupe 174 381 477 571 701 877

90 County-Other Caldwell 21 37 36 31 28 29

91 Lytle Atascosa 38 72 82 86 96 108

92 Cibolo Guadalupe 65 176 281 374 499 645

93 Helotes Bexar 115 345 539 674 832 993

94 Jourdanton Atascosa 60 123 156 173 195 222

95 Castle Hills Bexar 61 120 142 144 151 166

96 Devine Medina 63 127 152 159 175 196

97 Pearsall Frio 116 223 272 271 294 324

98 Big Wells Dimmit 11 23 30 30 32 33

99 Gonzales Gonzales 116 245 325 353 381 414

100 Hondo Medina 125 289 420 477 551 640

101 Seguin Guadalupe 377 853 1,229 1,448 1,744 2,131

102 Asherton Dimmit 20 43 58 59 62 64

103 Floresville Wilson 136 291 433 504 596 714

104 Woodcreek Utilities Inc Hays 56 177 337 455 619 771

105 Somerset Bexar 29 70 110 131 152 177

106 Kenedy Karnes 58 121 189 216 242 268

107 Poteet Atascosa 60 116 163 185 198 213

108 La Vernia Wilson 21 56 105 146 184 227

109 Pleasanton Atascosa 156 300 448 523 565 615

110 New Braunfels Comal 815 1,965 3,632 5,433 6,650 8,152

111 Stockdale Wilson 27 57 93 128 147 171

112 China Grove Bexar 28 66 116 166 190 217

113 Castroville Medina 53 111 176 242 270 302

114 Fairoaks Ranch Bexar 125 246 358 460 481 509

115 Windcrest Bexar 99 189 270 343 362 385

116 Garden Ridge Comal 42 103 187 294 379 460

117 Mustang Ridge Caldwell 10 26 48 74 98 116

118 Sabinal Uvalde 34 65 92 116 139 145

119 Alamo Heights Bexar 175 337 488 625 769 865

120 Dilley Frio 104 229 362 511 652 772

121 Gonzales County WSC Gonzales 143 312 505 693 858 1,002

122 Crystal City Zavala 192 364 543 695 850 1,002

123 Carrizo Springs Dimmit 152 312 464 590 700 777

124 Selma Bexar 135 344 617 801 966 1,122

125 Cotulla La Salle 118 248 369 488 615 745

126 Uvalde Uvalde 521 1,017 1,471 1,882 2,269 2,652

127 Lackland AFB (CDP) Bexar 268 515 736 934 1,119 1,300

128 Shavano Park Bexar 73 142 205 265 324 382

129 Hollywood Park Bexar 212 414 612 798 980 1,154

130 Hill Country Village Bexar 77 146 209 265 316 365

Total 13,231 22,742 31,616 40,528 53,925 72,570

HDR-07755-93053-10 Water Conservation (Demand Reduction)

34

4C.1-34

2011 South Central Texas Regional Water Plan

Volume II – September 2010

Table 4C.1-11 (Continued)

Water User Group * County * Area

Cost

Per

Acre

Foot

Costs of Water Demand Reduction from Plumbing

Fixtures and Clothes Washers Retrofit Conservation

2010

dollars

2020

dollars

2030

dollars

2040

dollars

2050

dollars

2060

dollars

BOERNE KENDALL Rural 770 75,359 94,766 96,994 83,172 94,553 105,683

CUERO DEWITT Rural 770 76,250 71,240 54,160 36,262 23,812 23,388

EL OSO WSC KARNES Rural 770 31,484 31,214 24,813 19,934 17,397 17,957

NIXON GONZALES Rural 770 26,707 24,051 20,757 14,356 12,088 12,049

REFUGIO REFUGIO Rural 770 33,794 33,923 24,663 18,820 15,642 15,449

SPRINGS HILL WSC GUADALUPE Rural 770 134,027 125,745 116,211 98,859 93,199 104,847

COUNTY-OTHER CALDWELL Rural 770 16,475 15,163 11,033 5,844 3,043 2,763

LYTLE ATASCOSA Suburban 681 26,007 21,984 16,636 10,718 8,791 8,952

CIBOLO GUADALUPE Suburban 681 44,008 52,729 62,673 69,656 84,355 100,186

HELOTES BEXAR Suburban 681 78,092 108,125 135,550 144,694 163,054 179,383

JOURDANTON ATASCOSA Rural 770 46,083 39,236 29,669 22,430 18,779 19,389

CASTLE HILLS BEXAR Suburban 681 41,783 35,334 25,722 16,088 9,660 9,664

DEVINE MEDINA Rural 770 48,304 41,878 27,459 16,091 12,361 12,622

PEARSALL FRIO Suburban 681 78,787 68,416 52,232 29,441 23,800 23,928

BIG WELLS DIMMIT Rural 770 8,603 7,647 5,775 3,623 2,836 2,698

GONZALES GONZALES Rural 770 89,431 80,028 61,583 48,009 40,447 40,309

HONDO MEDINA Rural 770 96,064 89,046 79,441 64,900 58,392 62,260

SEGUIN GUADALUPE Suburban 681 256,904 246,183 205,631 174,142 163,537 183,370

ASHERTON DIMMIT Rural 770 15,404 13,248 9,636 5,527 4,055 3,855

FLORESVILLE WILSON Rural 770 104,780 88,502 70,356 56,059 49,688 54,669

WOODCREEK UTIL INC HAYS Suburban 681 38,437 52,854 72,205 84,011 105,424 122,265

SOMERSET BEXAR Suburban 681 19,446 18,636 15,111 14,394 13,075 14,032

KENEDY KARNES Rural 770 43,289 34,199 25,756 15,601 12,402 12,808

POTEET ATASCOSA Rural 770 43,768 35,842 24,385 15,478 12,544 12,662

LA VERNIA WILSON Rural 770 15,456 16,271 17,031 16,054 18,976 22,007

PLEASANTON ATASCOSA Suburban 681 99,868 77,239 58,731 37,962 31,218 31,837

NEW BRAUNFELS COMAL Suburban 681 500,962 459,110 459,149 480,586 482,369 558,126

STOCKDALE WILSON Rural 770 18,753 15,068 11,834 9,345 8,221 8,991

CHINA GROVE BEXAR Suburban 681 16,571 14,225 12,976 12,454 11,374 12,258

CASTROVILLE MEDINA Rural 770 35,911 28,601 21,953 16,871 14,421 15,253

FAIROAKS RANCH BEXAR Suburban 681 75,440 71,754 67,697 63,546 59,051 59,536

WINDCREST BEXAR Suburban 681 58,848 47,426 35,823 24,056 16,153 16,266

GARDEN RIDGE COMAL Suburban 681 23,602 20,713 17,131 16,988 15,839 18,256

MUSTANG RIDGE CALDWELL Rural 770 6,223 5,791 5,500 5,574 5,369 6,059

SABINAL UVALDE Rural 770 20,545 16,457 12,358 8,244 5,499 5,503

ALAMO HEIGHTS BEXAR Suburban 681 87,774 67,455 49,724 31,424 25,420 25,701

DILLEY FRIO Rural 770 56,783 52,693 44,154 42,670 39,510 40,639

GONZALES COUNTY WSC CALDWELL Rural 770 72,451 59,936 52,958 42,487 36,208 36,208

CRYSTAL CITY ZAVALA Rural 770 97,214 73,178 55,518 35,009 28,263 28,518

CARRIZO SPRINGS DIMMIT Rural 770 73,272 61,423 46,403 29,114 22,781 21,663

SELMA BEXAR Suburban 681 48,106 47,989 47,179 41,383 35,471 35,471

COTULLA LA SALLE Rural 770 48,929 41,821 31,727 20,657 17,212 17,899

UVALDE UVALDE Rural 770 182,782 145,692 107,214 67,625 40,821 41,007

HDR-07755-93053-10 Water Conservation (Demand Reduction)

38

4C.1-38

2011 South Central Texas Regional Water Plan

Volume II – September 2010

Table 4C.1-12 (Concluded)

Water User Group* County Area

Cost

per

Acre

foot

Costs of Water Demand Reduction from Lawn Irrigation Conservation

2010

dollars

2020

dollars

2030

dollars

2040

dollars

2050

dollars

2060

dollars

CIBOLO GUADALUPE Suburban 524 0 51,816 98,913 142,389 196,342 260,882

HELOTES BEXAR Suburban 524 0 97,399 178,274 242,003 310,517 382,178

JOURDANTON ATASCOSA Rural 524 0 37,996 61,484 75,466 89,582 103,174

CASTLE HILLS BEXAR Suburban 524 0 35,623 54,734 63,211 71,492 79,562

DEVINE MEDINA Rural 524 0 37,812 61,214 72,119 83,200 94,254

PEARSALL FRIO Suburban 524 0 64,025 102,400 119,358 135,850 151,525

BIG WELLS DIMMIT Rural 524 0 6,991 11,663 13,390 14,711 15,487

GONZALES GONZALES Rural 524 0 74,061 128,599 152,308 172,358 189,630

HONDO MEDINA Rural 524 0 90,647 165,889 205,895 248,825 292,895

SEGUIN GUADALUPE Suburban 524 0 257,602 485,520 624,663 787,951 975,378

ASHERTON DIMMIT Rural 524 0 13,651 23,755 27,067 29,550 30,949

FLORESVILLE WILSON Rural 524 0 92,287 178,990 225,850 278,521 336,809

WOODCREEK UTIL INC HAYS Suburban 524 0 51,931 121,160 173,953 242,976 309,709

SOMERSET BEXAR Suburban 524 0 22,494 46,166 57,657 69,598 81,763

KENEDY KARNES Rural 524 1,157 40,323 81,374 102,501 118,198 131,693

POTEET ATASCOSA Rural 524 1,661 36,328 69,031 86,564 94,973 103,024

LA VERNIA WILSON Rural 524 700 18,174 43,191 65,422 83,628 104,107

PLEASANTON ATASCOSA Suburban 524 4,776 97,547 189,459 244,884 272,222 298,012

NEW BRAUNFELS COMAL Suburban 524 41,467 676,396 1,550,134 2,476,937 3,113,218 3,842,215

STOCKDALE WILSON Rural 524 1,460 19,820 40,681 60,694 71,560 83,393

CHINA GROVE BEXAR Suburban 524 1,665 23,729 50,807 77,538 91,009 104,432

CASTROVILLE MEDINA Rural 524 3,297 38,684 77,134 115,298 131,675 148,012

FAIROAKS RANCH BEXAR Suburban 524 7,198 73,827 135,444 191,995 206,384 220,960

WINDCREST BEXAR Suburban 524 6,855 62,656 113,883 160,971 177,182 189,016

GARDEN RIDGE COMAL Suburban 524 3,840 38,098 84,551 140,736 186,539 226,960

MUSTANG RIDGE CALDWELL Rural 524 1,051 9,819 21,275 35,077 47,820 56,790

SABINAL UVALDE Rural 524 3,899 22,627 39,610 54,978 68,897 72,436

ALAMO HEIGHTS BEXAR Suburban 524 24,002 124,714 217,667 303,555 383,265 433,317

DILLEY FRIO Rural 524 15,950 83,877 159,771 238,655 314,709 376,876

GONZALES COUNTY WSC CALDWELL Rural 524 25,508 122,659 228,484 334,391 425,187 500,449

CRYSTAL CITY ZAVALA Rural 524 34,475 141,090 246,904 340,108 426,251 505,883

CARRIZO SPRINGS DIMMIT Rural 524 29,544 121,886 211,504 289,395 351,226 392,623

SELMA BEXAR Suburban 524 33,692 143,319 286,847 387,934 478,718 560,821

COTULLA LA SALLE Rural 524 28,597 101,363 172,007 241,630 310,484 378,183

UVALDE UVALDE Rural 524 148,458 433,537 697,586 940,315 1,161,021 1,361,657

LACKLAND AFB (CDP) BEXAR Urban 524 81,853 223,939 352,439 468,652 573,754 668,805

SHAVANO PARK BEXAR Suburban 524 22,274 61,293 98,313 132,951 165,281 195,272

HOLLYWOOD PARK BEXAR Suburban 524 83,590 196,260 305,082 408,042 505,270 596,367

HILL COUNTRY VILLAGE BEXAR Suburban 524 31,314 69,456 103,951 135,148 163,362 188,878

Total 638,285 4,719,956 8,586,068 13,397,207 20,353,198 27,985,250

HDR-07755-93053-10 Water Conservation (Demand Reduction)

41

4C.1-41

2011 South Central Texas Regional Water Plan

Volume II – September 2010

Table 4C.1-13 (Concluded)

Water User Group * County * Area

Costs of Water Demand Reduction from Plumbing Fixtures

and Clothes Washers Retrofit plus Lawn Irrigation Conservation

2010

dollars

2020

dollars

2030

dollars

2040

dollars

2050

dollars

2060

dollars

LYTLE ATASCOSA Suburban 26,007 43,028 46,879 47,483 52,075 58,584

CIBOLO GUADALUPE Suburban 44,008 104,545 161,586 212,045 280,697 361,068

HELOTES BEXAR Suburban 78,092 205,524 313,824 386,697 473,570 561,561

JOURDANTON ATASCOSA Rural 46,083 77,232 91,153 97,895 108,361 122,564

CASTLE HILLS BEXAR Suburban 41,783 70,958 80,456 79,299 81,152 89,226

DEVINE MEDINA Rural 48,304 79,690 88,673 88,210 95,560 106,876

PEARSALL FRIO Suburban 78,787 132,441 154,632 148,799 159,650 175,453

BIG WELLS DIMMIT Rural 8,603 14,638 17,438 17,012 17,547 18,185

GONZALES GONZALES Rural 89,431 154,089 190,182 200,317 212,805 229,940

HONDO MEDINA Rural 96,064 179,692 245,330 270,796 307,217 355,156

SEGUIN GUADALUPE Suburban 256,904 503,785 691,151 798,805 951,488 1,158,748

ASHERTON DIMMIT Rural 15,404 26,899 33,391 32,594 33,605 34,805

FLORESVILLE WILSON Rural 104,780 180,789 249,346 281,909 328,209 391,478

WOODCREEK UTIL INC HAYS Suburban 38,437 104,785 193,365 257,964 348,401 431,974

SOMERSET BEXAR Suburban 19,446 41,130 61,277 72,051 82,673 95,795

KENEDY KARNES Rural 44,446 74,521 107,130 118,102 130,600 144,501

POTEET ATASCOSA Rural 45,430 72,170 93,416 102,042 107,518 115,685

LA VERNIA WILSON Rural 16,157 34,445 60,222 81,476 102,604 126,114

PLEASANTON ATASCOSA Suburban 104,645 174,786 248,190 282,846 303,440 329,849

NEW BRAUNFELS COMAL Suburban 542,429 1,135,506 2,009,283 2,957,523 3,595,588 4,400,341

STOCKDALE WILSON Rural 20,213 34,888 52,515 70,039 79,781 92,384

CHINA GROVE BEXAR Suburban 18,235 37,954 63,783 89,992 102,383 116,691

CASTROVILLE MEDINA Rural 39,208 67,285 99,086 132,169 146,096 163,265

FAIROAKS RANCH BEXAR Suburban 82,638 145,582 203,141 255,541 265,435 280,497

WINDCREST BEXAR Suburban 65,703 110,082 149,707 185,027 193,335 205,282

GARDEN RIDGE COMAL Suburban 27,442 58,811 101,682 157,724 202,378 245,216

MUSTANG RIDGE CALDWELL Rural 7,274 15,610 26,775 40,651 53,189 62,850

SABINAL UVALDE Rural 24,444 39,084 51,968 63,222 74,396 77,939

ALAMO HEIGHTS BEXAR Suburban 111,776 192,169 267,391 334,980 408,685 459,018

DILLEY FRIO Rural 72,733 136,570 203,925 281,326 354,219 417,515

GONZALES COUNTY WSC CALDWELL Rural 97,959 182,594 281,442 376,878 461,395 536,658

CRYSTAL CITY ZAVALA Rural 131,689 214,268 302,422 375,117 454,514 534,401

CARRIZO SPRINGS DIMMIT Rural 102,816 183,308 257,908 318,509 374,006 414,285

SELMA BEXAR Suburban 81,797 191,307 334,026 429,317 514,189 596,292

COTULLA LA SALLE Rural 77,526 143,185 203,733 262,287 327,697 396,081

UVALDE UVALDE Rural 331,239 579,229 804,800 1,007,941 1,201,842 1,402,664

LACKLAND AFB (CDP) BEXAR Urban 148,874 276,599 390,737 492,589 588,115 683,167

SHAVANO PARK BEXAR Suburban 42,938 78,273 109,901 140,332 171,283 201,359

HOLLYWOOD PARK BEXAR Suburban 119,187 223,380 325,464 421,117 515,971 607,281

HILL COUNTRY VILLAGE BEXAR Suburban 43,077 78,866 111,009 139,853 166,499 192,015

Total 8,568,075 13,704,332 18,470,580 23,148,381 30,431,282 41,051,428

HDR-07755-93053-10 Drought Management

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4C.2-9

2011 South Central Texas Regional Water Plan

Volume II — September 2010

To determine the unit cost for the 10% drought management scenario for Uvalde, the

following steps were completed. First, marginal costs for both the 5% and 10% scenarios were

calculated. For the 5% scenario, this is simply the total economic impact divided by 5% of the

total year 2010 demand (i.e., $3,375 / 304 acft = $11/acft). For the 10% scenario, a marginal

cost must first be calculated. This is calculated as the difference in total economic impact

between the 10% and 5% drought management scenarios, divided by 5% of the total year 2010

demand (i.e., ($20,263 - $3,375) / 304 acft = $56/acft). To calculate the unit cost for the 10%

drought management scenario, the marginal costs of the 5% and the 10% scenario are averaged

(i.e., ($11 + $56) / 2 = $33/acft).

4C.2.3 Yield from Drought Management Strategy

The yield associated with drought management is simply the year 2010 projected demand

ti

mes the appropriate percentage depending upon which scenario is used (5%, 10%, 15% or

20%). These values are summarized below in Table 4C.2-4.

4C.2.4 Drought Management Strategy Costs

For each selected WUG, risk factors for 5%, 10%, 15%, and 20% drought management

scenario reductions were calculated (Table 4C.2-5). For the 5% reduction scenario, the risk

factors ranged from 0.0005 for the City of Point Comfort, indicating there is very little risk of a

higher per capita use rate occurring than what occurred in the year 2000, to 0.1652 for the City of

Castroville, indicating a much greater risk of demand being greater than supply. For the 20%

scenario, the risk factors ranged from a low of 0.0136 for the City of Point Comfort to a high of

0.3113 for Atascosa Rural WSC. The risk factors associated with the commercial and

manufacturing uses in Kyle, New Braunfels, BMWD, and SAWA are 0.0713, 0.0170, 0.1730,

and 0.0820 respectively.

As described above, these risk factors were then used to determine an annual cost for a

planned supply less than demand for the year 2010 (Table 4C.2-6). For the 5% reduction

scenario, the annual cost ranged from $106 for the City of Point Comfort to a cost of almost $5.7

million for SAWS. For the 20% reduction scenario, the annual cost ranged from $4,979 for the

HDR-07755-93053-10 Drought Management

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10

4C.2-10

2011 South Central Texas Regional Water Plan

Volume II — September 2010

Table 4C.2-4.

Drought Management Yield

Entity

Yield (acft)

5% 10% 15% 20%

Alamo Heights 104 207 311 414

Aqua WSC 13 27 40 53

Atascosa Rural WSC 47 94 141 188

Castle Hills 41 82 123 164

Castroville 34 68 102 136

County Line WSC 58 115 173 230

East Medina SUD 44 88 132 176

Garden Ridge 28 57 85 113

Hill Country Village 42 84 126 168

Hollywood Park 116 231 347 463

Hondo 89 178 268 357

Jourdanton 40 80 120 160

Kirby 50 101 151 201

Kyle 137 274 411 548

La Coste 10 21 31 41

Lockhart 123 245 368 490

Luling 53 107 160 213

Lytle 24 48 72 96

Martindale 6 13 19 25

Martindale WSC 9 19 28 38

Natalia 17 33 50 66

New Braunfels 525 1,051 1,576 2,102

Point Comfort 11 22 34 45

Sabinal 20 41 61 81

San Antonio (BMWD) 1,233 2,465 3,698 4,931

San Antonio (SAWS) 9,883 19,767 29,650 39,534

Shavano Park 41 82 123 164

SS WSC 78 156 234 313

Universal City 130 261 391 522

Uvalde 304 609 913 1,217

Water Services, Inc. 48 95 143 190

Woodcreek 12 25 37 49

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4C.2-11

2011 South Central Texas Regional Water Plan

Volume II — September 2010

Table 4C.2-5.

Risk Factors

Entity

Risk Factors

5% 10% 15% 20%

Alamo Heights 0.1254 0.1765 0.2280 0.2853

Aqua WSC 0.1439 0.1918 0.2445 0.2924

Atascosa Rural WSC 0.1620 0.2100 0.2631 0.3113

Castle Hills 0.0939 0.1465 0.1976 0.2551

Castroville 0.1652 0.2088 0.2569 0.3090

County Line WSC 0.0077 0.0121 0.0175 0.0287

East Medina SUD 0.0785 0.1245 0.1762 0.2293

Garden Ridge 0.0202 0.0365 0.0573 0.0933

Hill Country Village 0.0162 0.0236 0.0325 0.0462

Hollywood Park 0.0145 0.0250 0.0422 0.0727

Hondo 0.1242 0.1724 0.2250 0.2785

Jourdanton 0.0833 0.1157 0.1519 0.1916

Kirby 0.0473 0.0886 0.1419 0.1990

Kyle 0.0820 0.1332 0.1867 0.2328

La Coste 0.0299 0.0589 0.1077 0.1531

Lockhart 0.1143 0.1711 0.2342 0.2926

Luling 0.0338 0.0632 0.1049 0.1541

Lytle 0.0308 0.0597 0.1024 0.1473

Martindale 0.0229 0.0461 0.0829 0.1237

Martindale WSC 0.0475 0.0780 0.1136 0.1528

Natalia 0.0832 0.1162 0.1535 0.1950

New Braunfels 0.0233 0.0653 0.1243 0.1730

Point Comfort 0.0005 .0..17 0.0067 0.0136

Sabinal 0.0397 0.0574 0.0813 0.1146

San Antonio (BMWD) 0.1449 0.2199 0.2902 0.3089

San Antonio (SAWS) 0.0530 0.1307 0.2037 0.2231

Shavano Park 0.0188 0.0364 0.0650 0.1032

SS WSC 0.0600 0.1048 0.1498 0.1948

Universal City 0.0592 0.1133 0.1762 0.2342

Uvalde 0.0007 0.0038 0.0184 0.0458

Water Services, Inc. 0.0214 0.0491 0.0884 0.1358

Woodcreek 0.0468 0.0863 0.1302 0.1756

HDR-07755-93053-10 Drought Management

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4C.2-12

2011 South Central Texas Regional Water Plan

Volume II — September 2010

Table 4C.2-6.

Total Annual Cost

Entity

Total Annual Cost

5% 10% 15% 20%

Alamo Heights $207,467

$334,603

$492,848

$795,557

Aqua WSC $39,415

$60,714

$88,873

$127,948

Atascosa Rural WSC $134,283

$195,817

$277,718

$384,550

Castle Hills $71,926

$131,986

$206,066

$363,087

Castroville $110,122

$162,132

$234,565

$353,656

County Line WSC $9,453

$17,170

$31,834

$95,670

East Medina SUD $58,052

$104,559

$172,803

$268,225

Garden Ridge $11,735

$24,473

$44,092

$86,421

Hill Country Village $13,281

$22,545

$36,933

$65,164

Hollywood Park $32,969

$65,928

$135,465

$283,804

Hondo $186,065

$293,119

$444,307

$659,526

Jourdanton $65,394

$105,840

$164,152

$258,230

Kirby $37,944

$85,364

$148,882

$269,313

Kyle $161,234

$305,472

$495,428

$4,106,244

La Coste $6,279

$14,324

$30,044

$51,436

Lockhart $212,699

$367,325

$578,264

$981,151

Luling $30,282

$64,242

$126,289

$218,304

Lytle $14,479

$34,571

$70,064

$126,262

Martindale $2,943

$6,839

$14,099

$25,334

Martindale WSC $9,615

$18,122

$33,911

$83,733

Natalia $29,368

$47,150

$80,054

$186,586

New Braunfels $176,029

$574,252

$1,264,094

$6,174,754

Point Comfort $106

$445

$2,042

$4,979

Sabinal $16,587

$27,700

$45,067

$76,464

San Antonio (BMWD) $2,272,791

$4,122,408

$7,207,795

$132,531,960

San Antonio (SAWS) $5,681,497

$17,092,861

$33,833,350

$627,263,236

Shavano Park $15,091

$34,067

$73,354

$142,175

SS WSC $86,255

$168,677

$301,988

$648,445

Universal City $117,148

$258,925

$462,754

$835,451

Uvalde $3,375

$20,363

$112,875

$186,182

Water Services, Inc. $21,809

$57,433

$132,763

$374,501

Woodcreek $12,309

$26,109

$50,588

$125,279

HDR-07755-93053-10 Drought Management

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4C.2-13

2011 South Central Texas Regional Water Plan

Volume II — September 2010

City of Point Comfort to a cost of almost $627.3 million for SAWS. The two most

important factors driving the annual cost are the risk factor and whether or not that WUG

supplies water for commercial and manufacturing purposes (at the 20% reduction level), as these

uses have high impact factors.

Finally, the annual cost data were used to calculate a unit cost so that comparisons could

be made with other potentially feasible water management strategies (Table 4C.2-7). For the 5%

scenario (supply equal to 95% of dry condition demand), the unit costs ranged from $9/acft/yr

for the City of Point Comfort to a high of $3,239/acft/yr for the City of Castroville. For the 20%

scenario (supply equal to 80% of dry condition demand), the unit costs ranged from $111 for the

City of Point Comfort to a high of $26,878 for BMWD. Again, the high unit costs for BMWD

are primarily due to the high risk factors (i.e., the year 2000 per capita was lower than in many

previous years) and the high economic impact factors associated with commercial and

manufacturing uses.

The SCTRWPG has found, and the San Antonio Water System (SAWS) has

demonstrated, that water user groups having sufficient flexibility to focus on discretionary

outdoor water use first and avoid water use reductions in the commercial and manufacturing use

sectors may find some degrees of drought management to be economically viable and cost-

competitive with other water management strategies. Recognizing that implementation of

appropriate water management strategies is a matter of local choice, the SCTRWPG

recommends due consideration of economically viable drought management as an interim

strategy to meet near-term needs through demand reduction until such time as economically

viable long-term water supplies can be developed. Hence, new demand reductions associated

with the 5 percent drought management scenario are shown as recommended at year 2010 for

each municipal water user group with projected needs for additional water supply at year 2010

1

.

1

In accordance with the SAWS 2009 Water Management Plan Update, 37,622 acft/yr is the drought management

supply (demand reduction) shown for SAWS in year 2010. This quantity is between the 15 and 20 percent drought

management scenarios presented in Table 4C.2-4.

HDR-07755-93053-10 Drought Management

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4C.2-14

2011 South Central Texas Regional Water Plan

Volume II — September 2010

Table 4C.2-7.

Average Unit Cost

Entity

Average Unit Cost

5% 10% 15% 20%

Alamo Heights $2,004

$1,616

$1,587

$1,921

Aqua WSC $2,952

$2,274

$2,219

$2,396

Atascosa Rural WSC $2,854

$2,081

$1,968

$2,043

Castle Hills $1,754

$1,610

$1,675

$2,214

Castroville $3,239

$2,384

$2,300

$2,600

County Line WSC $164

$149

$184

$416

East Medina SUD $1,318

$1,187

$1,308

$1,522

Garden Ridge $415

$433

$520

$765

Hill Country Village $317

$269

$294

$389

Hollywood Park $285

$285

$390

$613

Hondo $2,086

$1,643

$1,660

$1,848

Jourdanton $1,633

$1,321

$1,366

$1,612

Kirby $755

$849

$988

$1,340

Kyle $1,177

$1,115

$1,205

$7,493

La Coste $613

$699

$977

$1,255

Lockhart $1,736

$1,499

$1,573

$2,002

Luling $568

$602

$789

$1,023

Lytle $605

$722

$975

$1,318

Martindale $471

$547

$752

$1,013

Martindale WSC $1,017

$959

$1,196

$2,215

Natalia $1,780

$1,429

$1,617

$2,827

New Braunfels $335

$546

$802

$2,938

Point Comfort $9

$20

$61

$111

Sabinal $815

$681

$738

$939

San Antonio (BMWD) $1,844

$1,672

$1,949

$26,878

San Antonio (SAWS) $575

$865

$1,141

$15,867

Shavano Park $369

$416

$597

$868

SS WSC $1,104

$1,079

$1,288

$2,074

Universal City $898

$993

$1,183

$1,602

Uvalde $11

$33

$124

$153

Water Services, Inc. $459

$604

$931

$1,969

Woodcreek $1,001

$1,061

$1,371

$2,546

HDR-07755-93053-10 Edwards Transfers

2011 South Central Texas Regional Water Plan

Volume II – September 2010

4C.3-5

Table 4C.3-4.

Edwards Aquifer Water Transfers by County

South Central Texas Region

Entity County

Year

2010

(acft)

2020

(acft)

2030

(acft)

2040

(acft)

2050

(acft)

2060

(acft)

Lytle Atascosa

141 152 162 169 179 188

Subtotal

141 152 162 169 179 188

Alamo Heights Bexar 592

655

657

653

667

691

Atascosa Rural WSC Bexar 546

717

869

996

1,106

1,218

Kirby Bexar 335

334

337

331

343

364

Universal City Bexar

113 421 680 630 606 606

Water Ser Inc (Apex Water Ser) Bexar

587 723 844 945 1,031 1,116

Windcrest Bexar

235 235 235 235 235 235

Subtotal

2,408 3,085 3,622 3,790 3,988 4,230

Castroville Medina

294 357 416 468 522 575

East Medina SUD Medina

0 104 214 303 397 491

Hondo Medina 319 536 740 910 1,083 1,252

La Coste Medina 92 109 126 138 152 168

Natalia Medina 194 238 279 314 349 383

Yancey WSC Medina

214 395 562 710 851 985

County-Other Medina

0 236 528 787 1,055 1,296

Subtotal

1,113 1,975 2,865 3,630 4,409 5,150

Sabinal Uvalde 127 123 118 113 109 109

Uvalde Uvalde

3,172 3,209 3,229 3,233 3,235 3,263

Subtotal

3,299 3,332 3,347 3,346 3,344 3,372

Subtotals

6,961 8,544 9,996 10,935 11,920 12,940

SAWS 35,935 35,935 35,935 35,935 35,935 35,935

BMWD

3,000 3,000 3,000 3,000 3,000 3,000

TOTAL Firm Supply (320,000 acft/yr)

45,896 47,479 48,931 49,870 50,855 51,875

IRP Value Permits Needed*

82,039 84,869 87,464 89,143 90,903 92,727

* IRP value of permits needed is 572,000/320,000 times the Firm Supply needed.

Given the quantities of transfers, as shown in Table 4C.3-4, the quantities of projected

irrigation surpluses, irrigation water conservation potentials, and quantities of irrigation water

conservation needed to meet projected irrigation needs in Bexar, Medina, and Uvalde Counties

(Table 4C.3-5), there is a projected transfer of irrigation water to municipal and industrial uses in

Bexar, Medina, and Uvalde Counties of 11,973 acft/yr in 2010, 1,362 acft/yr in 2030, and

surpluses of 2,921 acft/yr, 6,416 acft/yr, and 9,696 acft/yr in 2040, 2050, and 2060, respectively

(Table 4C.3-5); e.g.; the Edwards transfer water management strategies of the 2011 Regional

HDR-07755-93053-10 Facilities Expansions

4C.6-4

2011 South Central Texas Regional Water Plan

Volume II — September 2010

4C.6.4.5 Guadalupe County

4C.6.4.5.1 City of Seguin

The City of Seguin is interested in a facilities expansion that includes an interconnection

with Texas Water Alliance. The interconnection would require new pipelines, pump stations,

and/or storage facilities. In addition, the City foresees the need for additional transmission

facilities (pipelines, pump stations ,and storage) for their SSLGC project. Costs associated with

the City of Seguin facilities expansion are included in the TWA Regional Carrizo water

management strategy.

4C.6.4.5.2 Springs Hill WSC

The Springs Hill WSC is interested in expanding their Lake Placid Water Treatment

Pl

ant from the current 1 MGD capacity to 2 MGD so that they can fully utilize their surface

water rights. In addition, other improvements may include new pipelines, pump stations, and/or

storage. The cost estimate is summarized in Table 4C.6-1.

4C.6.4.6 Medina County

4C.6.4.6.1 City of Castroville

The City of Castroville is interested in an expansion that includes an interconnection with

th

e South Texas Regional Water Alliance. This interconnection would require new pipelines,

pump stations, and/or storage facilities. The cost estimate for facilities expansion for the City of

Castroville includes a 12-inch interconnection transmission pipeline and is summarized in Table

4C.6-1.

4C.6.4.6.2 Yancey WSC

The Yancey WSC is interested in adding an element to their Local Groundwater WMS

that includes an expansion of water transmission facilities such as new pipelines, pump stations,

and/or storage facilities. No cost estimates were prepared for the City of Pleasanton facilities

expansion projects as they are distribution system improvements and not part of the regional

planning process.

HDR-07755-93053-10 Facilities Expansions

4C.6-5

2011 South Central Texas Regional Water Plan

Volume II — September 2010

Table 4C.6-1.

Facilities Expansion Preliminary Costs

WUG Description

Total

Capacity of

Facilities

Expansion

(acft/yr)

Project Cost Annual Cost

City of Charlotte

(4) 12-in. dia. transmission pipeline

connection

11,372 $38,356,000 $3,586,000

Atascosa Rural

WSC

(4) 12-in. dia. transmission pipeline

connection

11,372 $72,433,000 $6,772,000

City of Helotes

12-in. dia. transmission pipeline

connection

2,843 $2,863,000 $269,000

Tri-Community

WSC

(2) 12-in. dia. transmission pipeline

connection

5,686 $17,584,000 $774,000

City of Castroville

12-in. dia. transmission pipeline

connection

2,843 $11,046,000 $1,033,000

Springs Hill WSC

Expansion of Lake Placid WTP

capacity from 1 MGD to 2MGD

1,120 $2,277,000 $722,000

4C.6.5 Implementation Issues

The facilities expansions are not expected to have significant implementation issues.

ORDINANCE 2013-006 CITY OF CASTROVILLE

WATER MANAGEMENT PLAN

Page 24 of 30

ATTACHMENT E.

CITY OF CASTROVILLE WATER DISTRIBUTION MAP

WASHINGTON ST

BERLIN ST

VIENNA ST

HOUSTON ST

ALSACE ST

ALGIER ST

ATHENS ST

MEXICO ST

GENEVA ST

FLORENCE ST

LAFAYETTE ST

PARIS ST

LONDON ST

LISBON ST

GENTILZ ST

CONSTANTINOPLE ST

AMELIA ST

ANGELO ST

LORENZO ST

ALAMO ST

RIVER VALLEY

MADRID ST

WILLOW DR

TUMBELWEED DR

SPRING

RAIN

FLORELLA ST

ISABELLA ST

IRRIGATION CANAL

MEDINA RIVER

CASTROVILLE

AIRPORT

US HIGHWAY 90 WEST

RIVER BLUFF

JACKSON ST

PETERSBURG ST

NAPLES ST

VILLAGE PATH

LOWER LACOSTE ROAD

SHARP ST

SUENS ST

SCHOTT ST

F.M. 471

ALAMO ST

RIVER TRAIL

RIVER FOREST

RIVER MEADOW

RIVER KNOLL

RIVER COURT

GENEVA ST

OLD US HIGHWAY 90

BROOK DR

MEADOW DR

COUNTRY LN

MAY ST

F.M. 471

MEDINA VALLEY

SCHOOL

METER

AIRPORT OFFICE

HANGARS

TRACTOR

SUPPLY

DOLLAR

GENERAL

SPORTS PARK

CITY LIMITS

MEDINA RIVER

CITY LIMITS

WASHINGTON ST

JACKSON ST

ATHENS ST

GENEVA ST

BERLIN ST

ALGIER ST

VIENNA ST

HOUSTON ST

MADRID ST

PARIS ST

LONDON ST

LONDON

ST

LAFAYETTE ST

FLORENCE ST

LISBON ST

GENTILZ ST

PETERSBURG ST

CONSTANTINOPLE ST

MEXICO ST

NAPLES ST

AMELIA ST

ANGELO ST

LORENZO ST

LORENZO

ST

FLORELLA ST

ALAMO ST

US HIGHWAY 90 WEST

F.M. 471

CITY LIMITS

VILLAGE PATH

SCHOOL

CHAMBER OF

COMMERCE

KARM

SCHMIDT LN

VAN DE

WALLE

KEMPF LN

US HIGHWAY 90 WEST

OLD HIGHWAY 90

BRIEDEN

MEDINA RIVER

0 650' 1300'650'

GRAPHIC SCALE IN FEET

CITY OF CASTROVILLE, TEXAS

3 SEPARATE SYSTEMS

MAY 2012

4833 Spicewood Springs Rd. Suite 204

Austin, Texas 78759

T.512-342-6868 F.512-342-6877

www.ksaeng.com

LEGEND:

CITY SYSTEM

AIRPORT SYSTEM

MEDINA VALLEY SYSTEM

-

M:\PROJECTS\CAS020\DRAW\EXHIBIT \ SEWER DISTRIBUTION ISOLATION VALVES.DWG : EXHIBIT 1:

ATTACHMENT E

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ORDINANCE 2013-006 CITY OF CASTROVILLE

WATER MANAGEMENT PLAN

Page 25 of 30

ATTACHMENT F.

WATER RATES

ORDINANCE 2013-006 CITY OF CASTROVILLE

WATER MANAGEMENT PLAN

Page 26 of 30

ATTACHMENT G.

MUNICIPAL GROUNDWATER CONSERVATION PLAN FORM

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Municipal Groundwater Conservation Plan Form

Your Municipal Groundwater Conservation Plan Form Is Due: _______________________. Please submit your

completed report to: Edwards Aquifer Authority, Attn: Groundwater Conservation Department, 1615 N. St. Mary’s Street,

San Antonio, TX 78215.

I. General Information

Permit Holder Name: ____________________________ Regular Permit Number: __________________________________

Permit Holder Address (City, State, Zip):___________________________________________________________________

Permit Holder Phone Number: ____________________ Permit Holder Fax Number: ________________________________

Permit Holder Email Address: ______________________________@____________________________________________

Contact Person: _______________________________________________________________________________________

Contact Address (City, State, Zip):________________________________________________________________________

Contact Phone Number: _________________________ Contact Fax Number: _____________________________________

Contact Email Address: ____________________@_________________________________________________________

Estimated Per Capita Water Usage (Gallons Per Person Per Day):________________________________________________

Brief Description of Water Use (golf course, nursery, athletic field, etc.): _________________________________________

Total Number of Connections in Service Area: ________

Total Number of Edwards Aquifer Connections in Service Area: ___________

Permit holders utilizing non-Aquifer alternative water in conjunction with Edwards Aquifer (Aquifer) water may be eligible

to reduce BMP requirements. Municipal permit holders may achieve smaller system status by replacing Aquifer usage with

usage of alternative water. This will be measured by the number of connections that are converted to alternative water

supplies. For example, a municipality with 12,000 connections is considered a large system and must meet large system GCP

requirements; if that municipality converts half of its connections to alternative water, it now has 6,000 Aquifer connections

and is considered a medium system.

If you have acquired a non-aquifer alternative water supply in addition to your Aquifer water, determine the number of

Aquifer connections that count toward BMPs by using the following formula: multiply the total number of all connections by

the ratio of the amount of water supplied from your Aquifer wells divided by the total amount of water used by the

municipality. The calculation will determine your number of Aquifer connections.

[Amount of Aquifer Use] ______ ÷ [Total Water Use] ______ x [Total Connections] ______ = ____________________

[Aquifer Connections]

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II. Municipal Information

Please provide your projected annual water usage for the next ten year period.

Projected Water Usage

Year Acre-Feet

Please list each customer type within your service area, and number of connections for each type. Provide total water use by

volume and by percent for each customer type.

Type of Account

Number of Connections

Use by Volume Use by Percent

Residential

Commercial

Industrial

Institutional:

Other:

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III. Best Management Practice (BMP) Implementation Information

Municipal Best Management Practices

Muni-1 System Water Audit, Leak Detection and Repair

Note

: The System Water Audit portion of this BMP only applies if you have greater than 10 connections or

if you’re a mobile home community with greater than 50 connections. The Leak Detection and

Repair component must be completed regardless of your number of connections.

Muni-2 Metering of All New Connections and Retrofit of Existing Connections

Muni-3 Water Waste Prohibition

Muni-4 Conservation Pricing for Purveyors Only

Muni-5 Public Information and School Education Programs

Muni-6 Landscape Conservation Programs

Muni-7 Conservation Coordinator

Muni-8 Water Use Survey Programs

Muni-9 Residential Plumbing Retrofit, Rebate and Replacement Programs

Muni-10 Reuse of Treated Effluent

Your completion of the above Municipal BMPs must be consistent with your number of connections as noted in the chart

below:

Number of Connections BMP Completion Requirement

Less than 500 - very small systems Muni 1 through 3 and Muni 4, if applicable

500 to 3,300 - small systems Muni 1 through 7

3,300 to 10,000 - medium systems Muni 1 through 8

More than 10,000 - large systems Muni 1 through 10

Please note

: Municipal permit holders with more than 3,300 connections or more may submit an approved Texas Water

Development Board Water Conservation Plan in place of an Authority required GCP. However, these permit holders must

also include the appropriate BMPs 5 through 10 as specified in the Authority’s GCP.

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Please check the BMPs below that have or will be implemented and provide the appropriate information. Descriptions should

include schedules, goals, cooperative parties and steps taken to avoid double counting of water conservation savings,

supporting materials, etc. Attach additional pages if necessary showing estimated water savings and any other supporting

documentation and calculation worksheets.

 Muni-1: System Water Audit, Leak Detection and Repair

BMP Implementation Date: _______________ Completion Date: _______________

If you are a purveyor or non-purveyor, with greater than 10 connections or a mobile home community with greater than 50

connections, describe your existing or planned annual pre-screening water audit program. For the pre-screening system water

audit include metered sales and other verifiable uses, total supply into the system and if metered sales represent less than 85%

of total supply in the system, you must conduct a full distribution audit. Attach copies of documents showing your pre-

screening audit results and if applicable, your full scale audit results:

____________________________________________________________________________________________

Regardless of your number of connections, describe your existing or planned leak detection and repair program which is used

to reduce water losses and repair leaks when detected. In addition please include your method of advising customers of

existing leaks if applicable. Unaccounted water losses must be no more than 15% of total water supply into the system:

____________________________________________________________________________________________

Estimated water savings: __________ acre-feet annually

For any water loss you may have had, please explain what measures are being taken to prevent water loss in the future:

____________________________________________________________________________________________

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 Muni-2: Metering of All New Connections and Retrofit of Existing Connections

BMP Implementation Date: _______________ Completion Date: _______________

If you are a purveyor, describe your existing or planned method for installing meters on all new connections and existing

unmetered connections within the service area. Identify the number of new connections in the service area and the number of

unmetered connections within the service area:

____________________________________________________________________________________________________

If you are a purveyor, describe your existing or planned feasibility study that will show the benefits of installing dedicated

landscape irrigation meters on industrial, commercial and institutional (ICI) accounts. Attach copies of documents showing

results of feasibility study and indicate the number of dedicated landscape irrigation meters on ICI accounts installed during

the reporting period:

____________________________________________________________________________________________________

If you are a purveyor, describe your existing or planned schedule for testing and replacing meters within the service area.

Indicate the number of meters tested, the number of meters replaced and the number of pressure regulators installed on

meters during the reporting period:

____________________________________________________________________________________________________

If you are a purveyor, describe your existing or planned feasibility study to retrofit multi-family and ICI accounts with turbo

meters or similar technology:

____________________________________________________________________________________________________

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(Continued) Muni-2 Metering of All New Connections and Retrofit of Existing Connections

If you are a non-purveyor with greater than 10 connections or a mobile home community with more than 50 connections you

must install meter(s) by zone(s) for all connections within the service area. Connections per zone cannot exceed ten

connections. Indicate the number of new connections metered during the reporting period and the number of existing

unmetered accounts within the service area:

____________________________________________________________________________________________________

If you are a non-purveyor, describe your existing or planned schedule for testing and replacing meters within the service area.

Indicate the number of meters tested, the number of meters replaced and the number of pressure regulators installed on

meters during the reporting period:

____________________________________________________________________________________________________

Estimated water savings: __________ acre-feet annually

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 Muni-3: Water Waste Prohibition

BMP Implementation Date: _______________ Completion Date: _______________

Describe the measures you have taken to prohibit water waste runoff from property, landscape watering between the hours of

10:00 a.m. and 8:00 p.m., and if applicable, water waste prohibition as it pertains to single-pass cooling systems in new

connections, non-recirculating systems in new conveyor car washes, non-recirculating systems in commercial laundry

systems, non-recycling decorative water fountains, and any other wasteful activities.

In some instances your method of prohibition may include planned adoption and enforcement measures or an ordinance or

tariff being enacted. If so, please provide the Authority with a copy of such documents.

____________________________________________________________________________________________________

Pursuant to § 715.126(a) Landscape Watering of the Edwards Aquifer Authority Rules, the Authority shall not approve a

Groundwater Conservation Plan for municipal users, or where applicable, industrial users, that do not prohibit residential or

non-residential landscape irrigation between the hours of 10:00 a.m. and 8:00 p.m.

Estimated water savings: __________ acre-feet annually

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 Muni-4: Conservation Pricing (For Purveyors Only)

BMP Implementation Date: _______________ Completion Date: _______________

Describe your existing or planned economic incentives for billing by metered volume of use consistent with an Increasing

Block Rate Structure which provides for an increase in the unit price of water as the volume of water used increases. Include

a copy of your Increasing Block Rate pricing structure for each class:

____________________________________________________________________________________________________

Describe your existing or planned seasonal or excess surcharge imposed to reduce demand during summer months. Rate

should be established based upon long-run marginal costs, or the cost of adding the next unit of capacity to the system.

Attach a copy of the rates charged in order to reduce demand during summer months:

____________________________________________________________________________________________________

Describe your existing or planned method for working with sewer agencies so they may adopt conservation pricing for sewer

service, in the event you supply water but not sewer service:

____________________________________________________________________________________________________

Estimated water savings: __________ acre-feet annually

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 Muni-5: Public Information and School Education Programs

BMP Implementation Date: _______________ Completion Date: _______________

Describe your existing or planned public information program. An effective public information program includes but is not

limited to providing speakers to employees, community groups and the media; paid and/or public advertising, bill inserts,

trend comparison information on bills, informational pamphlets and manuals. Include the number of type of public speaking

events, media events, paid or public service announcements and written information disseminated during the reporting

period:

____________________________________________________________________________________________________

Describe your existing or planned school education program to achieve water conservation. Your school education program

should include but is not limited to classroom presentations, instructional assistance and distribution of educational materials.

Educational materials must meet the state education framework requirements. Include the number and type of school

presentations and approximate attendance, the number of in-service presentations or teacher workshops conducted and the

number and type of curriculum materials developed or provided by the permit holders:

____________________________________________________________________________________________________

Estimated water savings: __________ acre-feet annually

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 Muni-6: Landscape Conservation Program

BMP Implementation Date: _______________ Completion Date: _______________

Describe your existing or planned land conservation programs including accounts with dedicated irrigation meters and

assigned reference evapotranspiration (ETo) based irrigation schedules equal to no more than 80% of reference

evapotranspiration per square foot of landscape area:

____________________________________________________________________________________________________

Describe your existing or planned steps to market landscape water-use surveys to ICI and residential accounts. Include

number of surveys offered and number of surveys completed:

____________________________________________________________________________________________________

If cost-effective, describe your existing method or planned method to offer financial incentives to customers to convert

landscape material to xeriscape, landscape water-use analysis and surveys, installation of dedicated landscape meters and

follow-up to water-use analysis and surveys. Include the number, type and dollar value of incentives, rebates, and loans

offered to and accepted by customers:

____________________________________________________________________________________________________

For new customers and change-of-service accounts, describe your existing or planned climate appropriate landscape design

and efficient irrigation equipment and management:

____________________________________________________________________________________________

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(Continued) Muni-6 Landscape Conservation Program

If applicable, describe your existing or planned method for adopting an ordinance that requires all new homes and all new

apartment complexes and commercial buildings to install a water conserving landscape:

____________________________________________________________________________________________________

Estimated water savings: __________ acre-feet annually

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 Muni-7: Conservation Coordinator

BMP Implementation Date: _______________ Completion Date: _______________

Conservation Coordinator Name: ____________________________________ Title: ________________________________

Address: ________________________________________________ Telephone Number: ____________________________

Describe the existing or planned role of the conservation coordinator who will be responsible for preparation and

implementation of the Groundwater Conservation Plan, preparation and submittal of annual conservation status reports and

implementation of BMPs. Include name, address, phone number, date conservation coordinator was identified by purveyor,

duties and number of conservation coordinator staff members, if applicable:

____________________________________________________________________________________________________

Director of Public Services

1209 Fiorella St.

(830) 931-4090

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 Muni-8: Water Survey Program

BMP Implementation Date: _______________ Completion Date: _______________

Number of Residential Customers:_________ Annual Water Use: _______________ acre-feet

Describe your existing or planned marketing of water-use surveys per customer class and the number of surveys completed.

Water-use surveys for ICI customers must include a site visit, evaluation of all water using equipment and processes, a report

identifying conservation measures and expected payback and available agency incentives. Annual follow up visits are to be

conducted to evaluate water savings improvements.

Water-use surveys for residential customers must include meter checks, leak checks for toilet and faucets, determination of

flow rates for showerheads, aerators, and toilets, irrigation system and timer checks and review or development of irrigation

schedules. Measurement of currently landscaped and total irrigable areas should also be included. Customers must be

provided with information packets including evaluation results and water saving recommendations:

____________________________________________________________________________________________________

Estimated water savings: __________ acre-feet annually

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 Muni-9: Residential Plumbing Retrofit and Rebate Programs

BMP Implementation Date: _______________ Completion Date: _______________

Number of single-family residences in the service area which were constructed prior to 1992: _________________________

Number of multi-family residences in the service area which were constructed prior to 1992: _________________________

Describe your existing or future plan to distribute or directly install high-quality, low-flow plumbing devices as needed.

Distribution and installation programs must be maintained to achieve retrofit on at least 10% of residences during the

reporting period.

____________________________________________________________________________________________________

Describe your existing or future plan to offer financial incentives to customers that encourage the purchase and use of high-

efficiency washing machines. Include the number of high-efficiency washing machine rebates offered and completed during

the reporting period:

____________________________________________________________________________________________________

Estimated Water Savings Devices Planned To Be Retrofitted Annually.

Quantity Estimated Savings

Shower heads 2.5 gpm of less ______ ______ acre-feet annually

Faucet aerators 2.2 gpm or less ______ ______ acre-feet annually

Toilet displacement devices ______ ______ acre-feet annually

Toilet flappers ______ ______ acre-feet annually

High efficiency washing machine ______ ______ acre-feet annually

Ultra low flush toilets ______ ______ acre-feet annually

Total Annual Savings ______ acre-feet annually

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 Muni-10: Reuse of Treated Effluent

BMP Implementation Date: _______________ Completion Date: _______________

Describe your existing or planned method of identifying ICI customers according to use and your process of investigating the

feasibility of replacing their Edwards Aquifer groundwater use with treated effluent. Include a description of effluent

treatment facilities in addition to the number of gallons or acre-feet of previous average groundwater use for customers

served by reuse water, number of gallons or acre-feet of current groundwater use and number of gallons or acre-feet of

current treated effluent use.

____________________________________________________________________________________________________

Estimated water savings: __________ acre-feet annually

IV. Certification

I hereby certify that the information given herewith is true and accurate to the best of my knowledge and belief. I understand

that I must submit to the Authority triennial Groundwater Conservation Plan status reports, due by March 31 of every third

year beginning 2009.

Signature of Permit Holder or Agent: __________________________________________ Date:_______________________

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Retrofit Device Savings Table

Device Initial Savings (gpd per device)

Device Life Span

Low Flow Showerheads 5.5 gp

d

3-7 years

Toilet Displacement Devices 4 gp

d

2-5 years

Faucet Aerators 1.5 gp

d

1-3 years

Toilet Leak Detectio

n

.64 gp

d

(8 gpd per repaired leaking

toilet; 8 percent of toilets leaking)*

7-10 years

Other Household Leak Checks

.5 gpd (12.4 gpd per household

repair; 4 percent of households with

leaks

)

7-10 years

Turf Survey 12.2 gp

d

4 years

Turf Survey with Time

r

25.9 gpd (12.2 gpd for turf audit

plus 14.7 if timer)

4 years

Source Field Studies Judgment

*Municipal purveyors that implement conservation programs with household leak repairs are recommended to update retrofit

devices based on the device life span as water hardness and age of device will have direct impacts on these rates.

___________________________________________

Source: A&N Technical Services, Inc. (1999)

ORDINANCE 2013-006 CITY OF CASTROVILLE

WATER MANAGEMENT PLAN

Page 27 of 30

ATTACHMENT H.

REGIONAL WATER GROUP

M:\Projects\CAS007\Corr\Trans letter_WCP_2012-10-18.doc

21 March 2013

Texas Water Development Board Via Mail

Regional Water Planning

1700 North Congress Avenue

P.O. Box 13231

Austin, TX 78711-3231

RE: City of Castroville

Water Management Plan

Mr. Matt Nelson:

The City of Castroville is updating the City’s Water Conservation and Drought Contingency

Plans in a comprehensive document entitled ”City of Castroville Water Management Plan”.

On behalf of the City of Castroville, KSA Engineers is hereby submitting the City of

Castroville Water Management Plan in accordance with Texas Commission on

Environmental Quality, Texas Water Development Board and Edwards Aquifer Authority

rules. The Plan went before the City of Castroville City Council on April 9, 2013 and was

approved on that date.

The Water Management Plan consists of the City of Castroville Utility Profile, the 2011

Regional L Water Plan, the City’s Distribution System Map, the City’s water rates (Ordinance

No. 2012-15), and Municipal Groundwater Conservation Plan Form.

If you have any questions concerning the Water Management Plan, please contact me or

Paul Hofmann – City Administrator – City of Castroville. Thank you.

Sincerely,

KSA ENGINEERS, INC.

Stuart W. Cowell, EIT

Design Engineer

Enclosure: Water Management Plan (with copy of cover letter)

Ordinance 2013-006

Utility Profile

2011 Regional Water Plan

City of Castroville Distribution System Map

Ordinance No. 2012-15

Municipal Groundwater Conservation Plan Form

c: Paul Hofmann, City Administrator (w/ encl)

Brent Bassett, Project Engineer (w/o encl)

CAS007.Corr

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