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Skip Navigation LinksDNREC : Division of Watershed Stewardship

Delaware's Sediment and Stormwater Management Program


Active construction site

Delaware’s Sediment and Stormwater Management program operates within the Division of Watershed Stewardship's Drainage and Stormwater Section. The program employs a comprehensive approach to sediment control (both during and after construction) and stormwater management that includes monitoring of stormwater quantity and water quality control. Program responsibilities include: 

  • Sediment control and inspection during construction
  • Post-construction inspection of permanent stormwater facilities
  • Stormwater quantity and water quality control
  • Education/training relating to stormwater

Delaware Sediment and Stormwater Regulations

Sediment and Stormwater Regulations - 2016 Revisions

April 15, 2016 DNREC Press Release:
Responding to state Supreme Court ruling, DNREC again must adopt interim emergency sediment and stormwater regulations

Emergency Regulations
May 2016 Register of Regulations

Law and Regulations


Certification Information

NPDES Construction Permits

Engineering and Plan Review Resources

Standards and Specifications

Construction Review Resources

Maintenance Resources and Other Technical Information






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