Clean Waterways Information & Resources

Find resources on Wilmington's clean waterways, including stormwater management, pollution prevention, and reporting tools.

City of Wilmington, Delaware:

• Wilmington CSO website
• Clean Waterways Wilmington Bill Stuffer Part 1 (PDF)
• Clean Waterways Wilmington Bill Stuffer Part 2 (PDF)
• MS4 and CSO Outfall Drainage Areas Map (PDF)
• June 10, 2014 SWPP-MP presentation to the Utilities Citizens Advisory Board (UCAB) (PDF)
• Combined Sewer Overflow Final Long Term Control Plan (PDF)
• New Castle County/Delaware Department of Transportation Phase 1 Permit Fact Sheet (PDF)
• Storm Water Pollution Prevention and Management Program Permit and Program Requirements (PDF)

Environmental Protection Agency (EPA):

• Stormwater Discharges from Municipal Sources

Delaware Department of Natural Resources and Environmental Control (DNREC):

• Individual NPDES Permit for Municipal Separate Storm Sewer Systems (MS4s)
• Final NPDES Permit (PDF)

Help Keep Wilmington's Waterways Clean

Report Waterway Issues Online

• For immediate assistance, dial 311 within city limits or 302-576-2620 from outside city limits.
• Submit a 311 Request for Service

(302) STOPPIT - Water Pollution Prevention Hotline

• Visit 302 STOPPIT and fill out an online form; or
• Call or send a text message to 302-STOPPIT (302-786-7748) with the location and details
• Email 302 STOPPIT with the location and details.