Municipal Stormwater

Contacts: Mildred Granderson ([email protected]), Lisa Perrett ([email protected]) and Miranda Knepp ([email protected])

Municipal stormwater discharges are regulated through the NPDES Municipal Separate Storm Sewer Systems (MS4) Permits. GA EPD has issued Phase I permit requirements that apply to Large and Medium MS4s and Phase II permit requirements that apply to Small MS4s. Permit information and resources are available below.

MS4 Draft Permits

Download this pdf file. Phase I Medium MS4 Permits Stakeholder Draft and Public Meetings – October 14, 2021 Public Notice

The Georgia Environmental Protection Division (EPD) is considering the reissuance of the Phase I Medium MS4 permits, authorizing stormwater discharges from municipal separate storm sewer systems (MS4s) to the waters of the State of Georgia.  Download this pdf file. The stakeholder draft is available here .  A virtual stakeholder meeting will be held on November 30, 2021.  Please refer to the Public Notice for meeting details.  Comments received by close of business on Friday December 10, 2021 will be considered in the formulation of the draft permit.

Download this pdf file. Phase I Medium MS4 Second Stakeholder Meeting – December 8, 2021 Public Notice

The Environmental Protection Division (EPD) will host a second stakeholder meeting on January 5, 2022 to discuss the proposed Phase I Medium MS4 stakeholder draft.  Please refer to the public notice for details. 

Download this pdf file. GDOT MS4 Draft Permit – September 16, 2021 Public Notice

The Georgia Environmental Protection Division (EPD) is considering the reissuance of General NPDES Permit No. GAR041000 authorizing stormwater discharges from the Georgia Department of Transportation (GDOT) municipal separate storm sewer system (MS4) to the waters of the State of Georgia.  The Download this pdf file. draft permit and Download this pdf file. factsheet are available here.  A public meeting and hearing has been scheduled for November 1, 2021.  Please refer to the Public Notice for additional information.  Comments received by close of business on Friday November 12, 2021 will be considered in the formulation of final determination. 

MS4 Phase I and II

Phase I Large MS4

The 2019 Phase I Large MS4 NPDES Permits Nos. GAS000XXX for Storm Water Discharges from Municipal Separate Storm Sewer Systems (MS4) were reissued on May 13, 2019 with an effective date of June 11, 2019. The permits are posted on the Watershed Protection Branch Permit and Public Comments Clearinghouse. Additional permit information and resources are available below.

Phase I Medium MS4

The 2017 Phase I Medium MS4 NPDES Permits Nos. GAS000XXX for Storm Water Discharges from Municipal Separate Storm Sewer Systems (MS4) were reissued on March 17, 2017 with an effective date of April 12, 2017. The permits are posted on the Watershed Protection Branch Permit and Public Comments Clearinghouse. Additional permit information and resources are available below. 

General NPDES Permit No. GAG610000 for Phase II MS4                                                                                                                                       

The 2017 General NPDES Stormwater Permit No. GAG610000 for Phase II Storm Water Discharges from Municipal Separate Storm Sewer Systems (MS4) was reissued on November 15, 2017 with an effective date of December 6, 2017. The general permit is available below and on the Watershed Protection Branch Permit and Public Comments Clearinghouse. Additional permit information and resources are available below. 

Other Phase II MS4 Permits

*Please visit the Watershed Protection Branch Permit and Public Comments Clearinghouse to view public comments.

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