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Stormwater Management Regulations in Urban Areas

Learn about NPDES Stormwater Rules and how they impact large cities, industries, and construction sites. Discover the importance of illicit discharge detection and elimination, construction site runoff control, and post-construction runoff control. Explore public education and outreach strategies, pollution prevention, and good housekeeping practices. Understand the role of regulations for developers and local ordinances in managing stormwater. Find out how rural areas, agriculture, and NPDES permits are affected by these regulations.

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Stormwater Management Regulations in Urban Areas

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  1. NPDES Stormwater Rules • Phase 1 implemented in 1990 • Large cities (<100,000) • Industries • Construction sites <5 acres • Phase II in 2003 • Small urban areas (1,000 people/mi2) • Construction sites of 1 acre or larger • $50,000 /violation/day fines

  2. Illicit Discharge Detection & Elimination • Identify sources of illicit discharges and how they enter the stormdrain network before they happen… • Septic waste • Car Wash waste water • Pet Waste • Industrial Discharges • Household toxic substances • Anything that is not stormwater Must also map stormwater system, develop rules prohibitng discharges, and educate public on BMP’s

  3. Construction Site Runoff Control Must develop and implement an Erosion and Sedimentation (E&S) control program. Must include an plan review program, inspection program.

  4. Post Construction Runoff Control Develop and implement strategies to insure that development used BMP’s to reduce quantity and improve quantity of stormwater entering streams.

  5. Mobile Public Information Booth Public Education & Outreach • Increase Support • Increase Compliance Examples: school programs, storm drain stenciling, fact sheets, civic group education, mass media • - Impacts of stormwater discharges on local waterbodies • Steps to reduce stormwater pollution

  6. Public Participation & Involvement • Broaden public support • Enhance expertise Examples: Public meetings, volunteer monitoring, community clean-ups, storm drain stenciling, rain barrel projects, pesticide disposal, amnesty days

  7. NPDES - Pollution Prevention/ Good Housekeeping • Training staff (education) • Reducing fertilizer, pesticides, salt • - Catch-basin cleaning

  8. Regulations for Developers

  9. Local Ordinances- The Georgia Erosion and Sedimentation Act of 1975- NPDES General Permits Construction Issued September 2005

  10. What About Rural Areas?

  11. Agriculture • Exempt from most Stormwater Regulations • Exempt from GA E&S Regulations • NPDES on buildings >1acre • CAFO Regulations • Clean Water Act • Safe Dam Act • Land Application • Wetlands protection • TMDL • Civil liability

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