What is the address of South Cobb WRF?

The address on the plant’s EPA facility record is 490 Lee Industrial Blvd, Mableton, GA 30126, in Cobb County. Its coordinates are 33.7752, -84.5379. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does South Cobb WRF treat?

South Cobb WRF treats an average of 26.31 MGD and is permitted for a design flow of 40 MGD.

What treatment technology does South Cobb WRF use?

Klarifi has identified 2 treatment structures and unit processes at the Mableton facility. The full treatment train, with exact unit counts, is shown in Klarifi with a free account.

What is the NPDES permit for South Cobb WRF?

The facility discharges under NPDES permit GA0026158, currently effective, expiring June 2027.

Is South Cobb WRF in compliance?

Discharge monitoring reports show 3 violations at South Cobb WRF in the last three years, 3 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates South Cobb WRF and how do I contact them?

South Cobb WRF is a publicly owned treatment works in Mableton, Georgia. Klarifi lists 3 verified decision-maker contacts for this facility, available with a free trial.

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South Cobb WRF

490 Lee Industrial Blvd, Mableton, GA 30126 · Cobb County · Publicly Owned Treatment Works

Average flow: 26.31 MGD

Design flow: 40 MGD

NPDES permit: GA0026158; Effective

Permit expires: June 2027

Population served: 241,714; CWNS 2022

South Cobb WRF is a publicly owned wastewater treatment works in Mableton, Cobb County, Georgia treating an average of 26.31 million gallons per day against a permitted design capacity of 40 MGD, serving about 241,714 residents. It discharges under NPDES permit GA0026158 (effective), which expires in June 2027, with 3 recorded violations in the last three years.

Treatment technology

2 treatment structures and unit processes identified at South Cobb WRF.

Available with a free Klarifi account

See the full treatment train at South Cobb WRF: structures, unit processes and planned upgrades, with exact unit counts.

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Compliance snapshot (last 3 years)

Total violations: 3

Effluent violations: 3

Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.

Key contacts

3 verified contacts for South Cobb WRF, with validated emails and direct phone numbers.

Unlock 3 verified contacts

Names, validated emails and direct phone numbers for decision-makers at South Cobb WRF, plus the full compliance history and discharge data.

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Nearby wastewater treatment plants in Georgia

City Of Atlanta Cso West Area

Atlanta · 6 mi away

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Douglasville-Douglas County Water & Sewerage Authority (sweetwater Creek Wpcp)

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2.85 MGD

Fulton County Camp Creek Water Pollution Control Plant

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Douglasville-Douglas County Water & Sewer Authority (northside Wpcp)

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Douglasville, City Of (south Central Wpcp)

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Villa Rica, City Of (north Sweetwater Wpcp)

Villa Rica · 20 mi away

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Dekalb County Department Of Watershed Management (snapfinger Creek Awtf)

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Palmetto, City Of (palmetto Wtp)

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South Cobb WRF: frequently asked questions

Sources and methodology

Flow, permit and violation figures come from the EPA's ICIS-NPDES discharge monitoring records. Population served comes from the Clean Watersheds Needs Survey 2022. Treatment structures are identified by Klarifi's review of aerial imagery, and capital improvement projects are extracted from published municipal budget documents. Violations are counted over the last three years of monitoring reports.

Data refreshed October 26, 2026; facility record last updated March 4, 2025.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Centrate · Ozonation · all terms

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