Stormwater Management Plan (SWMP-MS4)
The City of Sandy Springs (COSS) renewed its coverage under the National Pollutant Discharge Elimination System (NPDES) Phase II Municipal Separate Storm Sewer System (MS4) Permit on December 6, 2017, as required by the Georgia Water Quality Control Act and the Federal Clean Water Act.
The permit requires development of a Stormwater Management Plan (SWMP) addressing the following minimum control measures:
- Public education and outreach on stormwater issues
- Public involvement and participation
- Illicit Discharge Detection and Elimination (IDDE)
- Construction site stormwater runoff control
- Post-construction stormwater management for new development and redevelopment
- Pollution prevention and good housekeeping for municipal operations
Stormwater Management Plan
Appendix A: Ordinances
- COSS Erosion and Sedimentation Ordinance (PDF, opens in new tab)
- Development Code Article 9 Model Ordinances (PDF, opens in new tab)
Appendix B: Inventories and Maps
Inventories
- City Ditch Inventory (PDF, opens in new tab)
- Green Infrastructure and Low Impact Development Inventory (PDF, opens in new tab)
- Outfalls for Dry Weather Screening Inventory (PDF, opens in new tab)
- City-Owned Catch Basin Inventory (PDF, opens in new tab)
- City-Owned Pipe Inventory (PDF, opens in new tab)
- Possible Pollutant Loading Inventory (PDF, opens in new tab)
- Private Ponds Inventory (PDF, opens in new tab)
- Public Ponds Inventory (PDF, opens in new tab)
Maps
- Revised MS4 Outfalls Map (PDF, opens in new tab)
- Public and Private Ponds Map (PDF, opens in new tab)
- City-Owned MS4 System Map (PDF, opens in new tab)
MS4 2018 Combined Summary (PDF, opens in new tab)
Appendix C
Illicit Discharge Detection and Elimination Procedure (PDF, opens in new tab)
Appendix D
Detention Pond Inspection and Maintenance Procedure (PDF, opens in new tab)
Appendix E
MS4 Inspection and Maintenance Procedure (PDF, opens in new tab)
Appendix F
Street Cleaning Procedure (PDF, opens in new tab)
Appendix G
Pollution Prevention Training Procedure (PDF, opens in new tab)
Appendix H
Water Quality Assessment Procedure (PDF, opens in new tab)
Appendix I
Enforcement Response Plan (PDF, opens in new tab)
Appendix J
- Monitoring and Implementation Plan (PDF, opens in new tab)
- North Fulton Stormwater Management Water Quality Monitoring Memorandum of Understanding (PDF, opens in new tab)
Stormwater Management Plan (Revised per EPD Comments II) (PDF, opens in new tab)
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