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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

General Presentations

  • Stormwater Awareness Training-Ellie
  • 2020 Stormwater Maintenance Program Annual Registration and Logs
  • 2020 DelDot: Making Delaware Clean Again through Pollution Prevention
  1. Stormwater Facility Types
  2. Facility Maintenance
  3. Maintenance Corporation Registration
  4. Resources
  5. Clean Stream Champion
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  1. New Castle County
    Government Center

    87 Read's Way
    New Castle, DE 19720
    Phone: 302-395-5555

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