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