Bridgeway
Environmental

Compliance Reference

Stormwater requirements by city.

Every metro Atlanta city and county has its own stormwater inspection rules, frequency, and filing authority. This is the plain-English summary we wish existed when we were on the regulator side of the table.

City of AtlantaSandy SpringsRoswellAlpharettaJohns CreekMariettaLawrencevilleGwinnett County (countywide)
City of Atlanta DWM + Fulton/DeKalb MS4

City of Atlanta

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Inspection frequency
Annual post-construction; weekly + 24-hr rain-event for active construction (1+ acre)
Filing authority
City of Atlanta Department of Watershed Management
Local notes
All post-construction stormwater facilities must be inspected annually and the report filed with DWM. Maintenance agreements are recorded against the property.
City of Sandy Springs + Fulton County

Sandy Springs

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Inspection frequency
Annual post-construction; weekly + 24-hr rain-event for active construction
Filing authority
Sandy Springs Public Works
Local notes
Underground proprietary BMPs (StormFilter, Stormceptor, etc.) must be inspected per manufacturer spec — typically annual with sediment-depth thresholds.
City of Roswell + Fulton County

Roswell

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Inspection frequency
Annual post-construction; weekly + 24-hr rain-event for active construction
Filing authority
City of Roswell Environmental Department
Local notes
Roswell tracks maintenance agreements by parcel; missed inspections trigger an NOV before fines escalate.
City of Alpharetta + Fulton County

Alpharetta

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Inspection frequency
Annual post-construction; weekly + 24-hr rain-event for active construction
Filing authority
Alpharetta Public Works
Local notes
Annual inspection report must be filed with the City. Failure to maintain detention ponds is a code-enforcement matter with daily fines.
City of Johns Creek + Fulton County

Johns Creek

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Inspection frequency
Annual post-construction; weekly + 24-hr rain-event for active construction
Filing authority
Johns Creek Public Works
Local notes
HOA pond maintenance is the most common compliance gap in Johns Creek — most NOVs are issued to homeowners associations.
City of Marietta + Cobb County

Marietta

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Inspection frequency
Annual post-construction; weekly + 24-hr rain-event for active construction
Filing authority
Cobb County Stormwater Management
Local notes
Cobb County operates a robust MS4 program. Reports are submitted through the County portal; the City of Marietta enforces locally.
Gwinnett County + City of Lawrenceville

Lawrenceville

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Inspection frequency
Annual post-construction; weekly + 24-hr rain-event for active construction
Filing authority
Gwinnett County Department of Water Resources
Local notes
Gwinnett DWR is one of the most active MS4 enforcers in metro Atlanta. Annual inspection reports must be filed by the property owner or HOA.
Gwinnett County MS4

Gwinnett County (countywide)

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Inspection frequency
Annual post-construction; weekly + 24-hr rain-event for active construction
Filing authority
Gwinnett County Department of Water Resources
Local notes
Applies to all Gwinnett cities and unincorporated areas. Inspectors must hold a current GSWCC Level 1A or 1B Issued Certification.

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