Office Use Only
Date Received: Reviewer:
Meeting date/time: DelDOT Attendance Required Y/N:
STORMWATER ASSESSMENT STUDY (SAS) CHECKLIST
Project Name:
Owner/Developer Name:
Contact Person:
e-mail: Phone:
Consultant Company:
Contact Person:
e-mail: Phone:
Check all items that apply; leave check box blank if N/A.
A. Documents
Items should be arranged in the following order:
This completed Stormwater Assessment Study (SAS) Checklist
Brief narrative to include the following:
Project type/description
Description of soil limitations and how they relate to BMP selection
Applicable criteria if the site is in an area served by Watershed Master Plan
Impacts to tax ditch watershed or ROW
Description of existing site conditions and proposed conditions including information on
downstream conveyance and Points of Analysis (POAs)
Identify and describe existing drainage structures and features
Provide photographs of structures / channels / outfalls / POAs
Feedback from DelDOT Maintenance regarding drainage concerns (if relevant).
Consultant to contact DelDOT at (302) 326-4523 to determine if there are any known drainage
problems. Provide Parcel ID number and a description of the project location, from the nearest
intersection. DelDOT will respond with any known drainage and flooding problems.
B. Existing Hydrology Mapping
Submit an existing drainage features map based on field-run topo or current LIDAR data:
On-site subareas
Off-site subareas
Site points of analysis
PWWR SWM Step 1 - SAS Checklist [Nov 2019].pdf
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Last Revised: Nov 2019
C. Stormwater Assessment Study GIS Mapping
Provide maps from the following SAS GIS Web application link: https://firstmap.delaware.gov/sasgis
(Layers to be overlaid on the most recent aerial imagery basemap)
Site location
Parcel Boundary showing parcel and ID
NHD rivers, streams and water features
Contours
Wellhead protection
Aquifer recharge areas
Land Use / Land Cover (LULC)
Soils
State Wetland Mapping Project (SWMP)
Potential Contamination Sources
SIRB Sites
Leaking Tanks
Above Ground Storage Tank Facility
Underground Storage Tanks
Solid and Hazardous Waste Site
Flood Data (BFE and FEMA Flood Map)
Depth to Water WET
D. Supplemental Information
StreamStats Map and Basin Characteristics Report showing limit of downstream analysis. (The
downstream analysis point will be located at the point in the watershed where the site area
comprises less than 10% of the watershed area. Alternative downstream limit points may be shown
for discussion.)
StreamStats link: https://streamstats.usgs.gov/ss
Adjacent well locational data
Well permit data can be searched by tax parcel ID from the Delaware OpenData portal:
https://data.delaware.gov/Energy-and-Environment/Well-Permits/2655-qn8j
Public wells within 150’ of parcel boundary
Domestic wells within 100’ of parcel boundary
Adjacent septic system data
Drainfields within 50’ of parcel boundary
System components within 25’ of parcel boundary
This checklist is for guidance only. The City of Newark reserves the right to request additional information during
the review process as it deems necessary. Compliance with the checklist in no way is meant to relieve the design
professional of his/her professional responsibilities.
PWWR SWM Step 1 - SAS Checklist [Nov 2019].pdf
2 of 2
Last Revised: Nov 2019