How much wastewater does City Of Thomson treat?

City Of Thomson treats an average of 1.04 MGD and is permitted for a design flow of 2.5 MGD.

What treatment technology does City Of Thomson use?

Klarifi has identified clarifiers, carrousels / oxidation ditches at the Thomson facility.

What is the NPDES permit for City Of Thomson?

The facility discharges under NPDES permit GA0020974, currently administratively continued, expiring February 2024.

Is City Of Thomson in compliance?

Discharge monitoring reports show 2 violations at City Of Thomson in the last three years, 2 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates City Of Thomson and how do I contact them?

City Of Thomson is a publicly owned treatment works in Thomson, Georgia. Klarifi lists 1 verified decision-maker contact for this facility, available with a free trial.

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City Of Thomson

Thomson, GA · Mcduffie County · Publicly Owned Treatment Works

Average flow: 1.04 MGD

Design flow: 2.5 MGD

NPDES permit: GA0020974; Administratively continued

Permit expires: February 2024

Population served: 8,463; CWNS 2022

City Of Thomson is a publicly owned wastewater treatment plant in Thomson, Mcduffie County, Georgia treating an average of 1.04 million gallons per day against a permitted design capacity of 2.5 MGD, serving about 8,463 residents. Treatment on site includes clarifiers, carrousels / oxidation ditches. It discharges under NPDES permit GA0020974 (administratively continued), which expires in February 2024, with 2 recorded violations in the last three years.

Treatment technology

Treatment structures identified at this facility. Exact unit counts are available in Klarifi.

Clarifiers

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Carrousels / oxidation ditches

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Compliance snapshot (last 3 years)

Total violations: 2

Effluent violations: 2

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

Key contacts

1 verified contact for City Of Thomson, with validated emails and direct phone numbers.

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Names, validated emails and direct phone numbers for decision-makers at City Of Thomson, plus the full compliance history and discharge data.

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Grovetown, City Of (grovetown Wpcp)

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Washington, City Of (rocky Creek Wpcp)

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Columbia County - Little River WPCP

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City Of Thomson: 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 September 11, 2026; facility record last updated May 17, 2025.

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