Georgia / Sewer operators /

Cobb County Water System (R.L. Sutton WRF and others)

Sewer utility · Georgia · Marietta, Smyrna, Mableton

Map sources: water outlines and launches from OpenBoatLaunch and OpenStreetMap contributors (Open Database License); wastewater outlets from EPA and state records; downstream estimates by DirtyWaterWatch using U.S. Geological Survey maps and flow data. Base map: OpenFreeMap and OpenMapTiles.

Ringed dots mark treatment plant outfalls. Small hollow diamonds mark places named in its overflow reports (provisional). Square boat markers mark boat launches listed by OpenBoatLaunch.

Federal wastewater discharge permit (NPDES)

GA0026140

Wastewater outlets

3 treatment plant outfalls listed by EPA or state agencies; 43 places named in its own overflow reports (provisional locations) · List

Waters listed as receiving wastewater

Chattahoochee River

Tracked waters

Chattahoochee River, GA, Noonday Creek, GA, Little Noonday Creek, GA, Clay Branch, GA, Olley Creek, GA, Rubes Creek, GA, Clark Creek, GA, Sope Creek, GA, Rottenwood Creek, GA, Noses Creek, GA, Nickajack Creek, GA, Allatoona Creek, GA, Butler Creek, GA, Willeo Creek, GA, Horse Creek, GA, Trickum Creek, GA, Buttermilk Creek, GA, Tate Creek, GA, Sewell Mill Creek, GA

Discharge records counted

121 records · latest Nov 2, 2026

Total reported volume in these records

199,835 gallons across the 79 records that give a volume (42 without one)

These totals reflect the records we track. Missing volumes and gaps in reporting limit comparisons between operators.

Sources: EPA ECHO and the operator and state sources linked below. Counts use the discharge records on this page. Updated 2026-11-05 01:25 UTC.

Public notices and alerts

Pages where Cobb County Water System (R.L. Sutton WRF and others) or the state publishes its notices (check them for an alert sign-up):

• cobbcounty.org
• epd.georgia.gov/sewage-spills-report

Its public-notice channels

• Health department page · Required by law

  Health department report not read

  Ga. Comp. R. & Regs. 391-3-6-.05(3)(f): the owner "shall immediately report the incident to the local health department(s)"

• News page · Required by law

  Printed or broadcast notice not read

  Ga. Comp. R. & Regs. 391-3-6-.05(3)(b); O.C.G.A. 12-5-30.1: notice of a major spill (over 10,000 gallons, or one causing a water-quality violation) in "the legal organ of the County where the incident occurred... within seven days"

• News page · Required by law

  Printed or broadcast notice not read

  Ga. Comp. R. & Regs. 391-3-6-.05(3)(e): the owner "shall report the incident to the local media (television, radio and print media) within 24 hours of becoming aware of the incident", with date, location, cause, volume, receiving water and corrective action

• Warning lights or signs · Required by law

  Lights and signs not read

  Ga. Comp. R. & Regs. 391-3-6-.05(3)(g): the owner "shall immediately post a notice as close as possible to where the spill or major spill occurred and where the spill or major spill entered State waters" and along the affected waterway "at bridge crossings, trails, boat ramps, recreational areas, and other points of public access", kept "a minimum of seven days after the spill or major spill has ceased"

• Operator's notice page · Voluntary (GA0026140)

  Notification page not read

Source: Cobb County Water System (R.L. Sutton WRF and others)'s public notice and alert pages and the state's notification records; DirtyWaterWatch register of public-notice channels and its page monitor.

Report a missing notice or error

Wastewater outlets

Outfall: a pipe or outlet where wastewater enters a water body.

3 treatment plant outfalls listed by EPA or state agencies; 43 places named in its own overflow reports (provisional locations).

Reports and advisories

Sanitary sewer overflow (SSO): sewage spills from a sewer meant to carry sewage separately from rainwater.

Sources: Georgia EPD Municipal Sewage Spills Reported to EPD, retrieved 2026-11-05 01:06 UTC; EPA ECHO Sewer Overflow and Bypass Event report (reported to regulators), retrieved 2026-11-05 01:05 UTC. A report's record id and times show when you hover or focus its "report" link.

Download these reports as CSV

All reports in Georgia by year: 2026 (133 from Cobb County Water System (R.L. Sutton WRF and others)) · 2025 (80 from Cobb County Water System (R.L. Sutton WRF and others))

Other sewer operators on these waters

• Chattahoochee River, GA: City of Atlanta Department of Watershed Management (combined sewer system; R.M. Clayton, Utoy Creek and South River WRCs), COBB COUNTY WATER SYSTEM (SOUTH COBB WRF), Columbus Water Works (combined sewer system and South Columbus WRF), DOUGLASVILLE-DOUGLAS COUNTY WATER & SEWERAGE AUTHORITY (SOUTH CENTRAL WPCP), DOUGLASVILLE-DOUGLAS COUNTY WATER & SEWERAGE AUTHORITY (SWEETWATER CREEK WPCP), FORSYTH COUNTY DEPARTMENT OF WATER & SEWER (DICK CREEK WRF), FORSYTH COUNTY DEPARTMENT OF WATER AND SEWER (FOWLER & SHAKERAG WRF), FORT GAINES, CITY OF (FORT GAINES WPCP), Fulton County Department of Public Works (Big Creek WRF and others), FULTON COUNTY DEPARTMENT OF PUBLIC WORKS (CAMP CREEK WPCP), FULTON COUNTY PUBLIC WORKS DEPARTMENT (JOHNS CREEK ENVIRONMENTAL CAMPUS WRF), GWINNETT COUNTY DEPARTMENT OF WATER RESOURCES (CROOKED CREEK WRF), HEARD COUNTY WATER AUTHORITY (HEARD COUNTY WATER AUTHORITY WPCP), LAGRANGE, CITY OF (LONG CANE CREEK WPCP), WEST POINT, CITY OF (WEST POINT WPCP), Gwinnett County Department of Water Resources (F. Wayne Hill WRF)
• Noonday Creek, GA: COBB COUNTY WATER SYSTEM (NOONDAY CREEK WRF)
• Clay Branch, GA: FOLKSTON, CITY OF (FOLKSTON POND WPCP), FOLKSTON, CITY OF (FOLKSTON WPCP)
• Rubes Creek, GA: WOODSTOCK, CITY OF (RUBES CREEK WPCP)
• Willeo Creek, GA: Fulton County Department of Public Works (Big Creek WRF and others)
• Horse Creek, GA: TAYLOR COUNTY BOARD OF COMMISSIONNERS (PLANT LAUREL WPCP)
• Tate Creek, GA: CHEROKEE COUNTY WATER & SEWERAGE AUTHORITY (FITZGERALD CREEK WPCP)

The last 90 days

Reported discharges over time