How much wastewater does Athens Stp, City Of treat?

Athens Stp, City Of treats an average of 0.11 MGD and is permitted for a design flow of 1.4 MGD.

What treatment technology does Athens Stp, City Of use?

Klarifi has identified clarifiers, uncovered lagoons at the Athens facility.

What is the NPDES permit for Athens Stp, City Of?

The facility discharges under NPDES permit IL0041203, currently effective, expiring September 2027.

Is Athens Stp, City Of in compliance?

Discharge monitoring reports show 3 violations at Athens Stp, City Of in the last three years, 3 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates Athens Stp, City Of and how do I contact them?

Athens Stp, City Of is a publicly owned treatment works in Athens, Illinois. Klarifi lists decision-maker contacts for this facility, available with a free trial.

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Athens Stp, City Of

Athens, IL · Menard County · Publicly Owned Treatment Works

Average flow: 0.11 MGD

Design flow: 1.4 MGD

NPDES permit: IL0041203; Effective

Permit expires: September 2027

Population served: 1,373; CWNS 2022

Athens Stp, City Of is a publicly owned wastewater treatment works in Athens, Menard County, Illinois treating an average of 0.11 million gallons per day against a permitted design capacity of 1.4 MGD, serving about 1,373 residents. Treatment on site includes clarifiers, uncovered lagoons. It discharges under NPDES permit IL0041203 (effective), which expires in September 2027, with 3 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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Uncovered lagoons

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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

Decision-makers at Athens Stp, City Of.

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Athens Stp, City Of: 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 August 3, 2026.

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