Resources
National Pollutant Discharge Elimination System
The National Pollutant Discharge Elimination System (NPDES) Stormwater Program helps control water pollution by regulating point sources such as pipes and ditches that manage stormwater runoff.
General Resources
- Find Your Watershed
- Delaware Livable Lawns
- DNRECs Stormwater Information for Homeowners
- State of Delaware Invasive Plants Booklet (PDF)
- NCC DelDOT Phase I MS4 Permit (PDF)
- DSWA Household Hazardous Waste Information
Residential Presentations
- 2020 Residential Seminar Recording
2020 Residential Stormwater Maintenance Program - 2020 Residential Stormwater Inspection Process
- 2020 Stormwater and Clean Stream Champion Program
- Overview of the Ombudsman’s Office and Collecting Delinquent Assessments
Commercial Presentations
- 2020 Commercial Seminar Recording
- 2020 Commercial Stormwater Maintenance Program
- 2020 Commercial Stormwater Inspection Process
- 2020 Underground/Subsurface Stormwater Facility and Green Roof Inspection and Maintenance
- Brightfields, Inc.: Commercial/Industrial Stormwater Maintenance