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MS4 Phase I and II
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Phase I Large MS4
The 2024 Phase I Large MS4 NPDES Permit Nos. GAS000100 – GAS000144 for Stormwater Discharges from Large Municipal Separate Storm Sewer Systems (MS4) were reissued on June 5, 2024 with an effective date of June 11, 2024. The individual 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 MS4 Permit Reapplication Form [2023]
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Phase I
Large Municipal Separate Storm Sewer System MS4 NPDES Permit No. GAS000XXX [June 5, 2024] Template
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Phase I
Large MS4 Public Comments and Responses
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Phase I
Large Stormwater Management Program Template UPDATED
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Phase I
Large Annual Report Form [January 2025]
- 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 2022]
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Augusta
– Phase I Medium MS4 Permit Modification – GAS000200 - 2024
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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 2022 General NPDES Stormwater Permit No. GAG610000 for Phase II Stormwater Discharges from Municipal Separate Storm Sewer Systems (MS4) was reissued on November 21, 2022 with an effective date of December 6, 2022. 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.
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2022
Notice of Intent (NOI) Form
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2022 General
NPDES Stormwater Permit No. GAG610000 for Phase II MS4
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Georgia
Notice of Intent (Phase II Municipal) Word Format [Revised September 2022]
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Phase
II Annual Report Form [Dec. 2023 version]
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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]
- 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.
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2024
General NPDES Permit GAG480000 for small Municipal Separate Storm Sewer Systems (MS4s) at Military Facilities
- 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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Municipal Stormwater
Contacts: Kristopher Ballou ([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.
Reissuance of Phase I Large MS4 Permits (GAS000XXX)
The 2024 Phase I Large MS4 NPDES Permit Nos. GAS000100 – GAS000144 for Stormwater Discharges from Large Municipal Separate Storm Sewer Systems (MS4) were reissued on June 5, 2024 with an effective date of June 11, 2024. The individual permits are posted on the Watershed Protection Branch Permit and Public Comments Clearinghouse. Supplemental permit documents can be downloaded at the following links:
Fact
Sheet
,
Fact
Sheet Addendum
,
Response
to Stakeholder Comments
, and
Summary
of Changes
.
Phase I Medium MS4 Permit Modification for Augusta-Richmond County (GAS000200)
The Georgia Environmental Protection Division (EPD), Watershed Protection Branch, has issued a modification of NPDES Permit No. GAS000200, authorizing stormwater discharges from Augusta-Richmond County to the waters of the State of Georgia. The permit documents can be downloaded at the following links:
Permit
,
Fact
Sheet Revision
,
Response
to Comments
, and Impaired Waters Plans for
Butler
Creek
,
Spirit
Creek
, and
Rocky
Creek
. The permit will expire April 11, 2027.
Draft Phase I Medium MS4 Permit Modification for Augusta-Richmond County (GAS000200)
The Georgia Environmental Protection Division (EPD), Watershed Protection Branch, is proposing the modification of NPDES Permit No. GAS000200, authorizing stormwater discharges from Augusta-Richmond County to the waters of the State of Georgia. The draft permit documents can be downloaded at the following links:
Draft
Permit
,
Fact
Sheet,
Impaired Waters Plans for
Butler
Creek
,
Spirit
Creek
, and
Rocky
Creek
. Please refer to the
Public
Notice
for additional information. Comments received by close of business May 17, 2024 will be considered in the formulation of the final permit.