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MS4 Phase I and II
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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.
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Phase I Large Municipal Separate Storm Sewer System MS4 NPDES Permit No. GAS000XXX [May. 13, 2019] Template
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Phase I Large MS4 Public Comments and Responses
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Phase I Large Stormwater Management Program Template
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Phase I Large Annual Report Form [February 2021]
- List of MS4 Phase I Permittees [Revised June 2017]
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Phase I Medium MS4
The Phase I Medium MS4 NPDES Permits were reissued on April 12, 2022. The permits are posted below. The permits and comments are posted on the Watershed Protection Branch Permit and Public Comments Clearinghouse. Additional permit information and resources are available below.
- PHASE I MEDIUM AND LARGE STORM WATER MANAGEMENT PROGRAM GUIDANCE [July 2014]
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Phase I Medium Annual Report Form [February 2021]
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Augusta - Phase I Medium MS4 Permit - GAS000200 - 2022
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City of Bloomingdale - Phase I Medium MS4 Permit - GAS000207 - 2022
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Chatham County - Phase I Medium MS4 Permit - GAS000206 - 2022
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City of Columbus - Phase I Medium MS4 Permit - GAS000202 - 2022
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Forsyth County - Phase I Medium MS4 Permit - GAS000300 - 2022
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City of Garden City - Phase I Medium MS4 Permit - GAS000208 - 2022
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Macon-Bibb County - Phase I Medium MS4 Permit - GAS000301 - 2022
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City of Pooler - Phase I Medium MS4 Permit - GAS000209 - 2022
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City of Port Wentworth - Phase I Medium MS4 Permit - GAS000210 - 2022
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City of Savannah - Phase I Medium MS4 - GAS000205 - 2022
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Town of Thunderbolt - Phase I Medium MS4 Permit - GAS00211 - 2022
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City of Tybee Island - Phase I Medium MS4 Permit - GAS000212 - 2022
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Phase II MS4 – GAG610000
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.
- Georgia Notice of Intent (Phase II Municipal) Word Format [Revised August 2017]
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STORM WATER MANAGEMENT PROGRAM GUIDANCE - Phase II MS4 Storm Water Management Program Preparation [February 2013]
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STORM WATER MANAGEMENT PROGRAM TEMPLATE - Phase II MS4 Storm Water Management Program template for Existing MS4s [April 27, 2022]
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STORM WATER MANAGEMENT PROGRAM TEMPLATE - Phase II MS4 Storm Water Management Program Template for New MS4s [April 27, 2022]
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ANNUAL REPORT FORM - Phase II Municipal Separate Storm Sewer System (MS4) (MS Word) [Revised December 2021]
- Additional BMP Reporting Form - Phase II Municipal Separate Storm Sewer System (MS4)
[December 2016]
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List of Designated MS4 Phase II Permittees [Revised January 2020]
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Other Phase II MS4 Permits
*Please visit the Watershed Protection Branch Permit and Public Comments Clearinghouse to view public comments.
- 2019 General NPDES Permit GAG480000 for small Municipal Separate Storm Sewer Systems (MS4s) at Military Facilities*
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NPDES GENERAL PERMIT For Discharges From Georgia Department of Transportation Municipal Separate Storm Sewer System (MS4) To The Waters Of The State Of Georgia - GAR041000 [Dec. 2021]*
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Related Links
Municipal Stormwater
Contacts: Mildred Granderson ([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
The Georgia Environmental Protection Division (EPD), Watershed Protection Branch, is conducting a stakeholder meeting to discuss the reissuance of General NPDES Permit No. GAG610000, authorizing stormwater discharges from Phase II Small MS4s to the waters of the State of Georgia. The stakeholder draft permit documents can be downloaded at the following links:
Draft
and
Summary
of Changes
. A Stakeholder meeting has been scheduled for April 19, 2022. Please refer to the
Public
Notice
for addition meeting information. Comments received by close of business April 26, 2022 will be considered in the formulation of the official draft permit.
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