How much wastewater does Neoga Stp, City Of treat?

Neoga Stp, City Of treats an average of 0.26 MGD and is permitted for a design flow of 0.73 MGD.

What treatment technology does Neoga Stp, City Of use?

Klarifi has identified clarifiers, aerated lagoons at the Neoga facility.

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

The facility discharges under NPDES permit IL0030091, currently effective, expiring June 2030.

Is Neoga Stp, City Of in compliance?

Discharge monitoring reports show 5 violations at Neoga Stp, City Of in the last three years, 3 of them effluent limit exceedances. The full history is available in Klarifi.

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

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

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Neoga Stp, City Of

Neoga, IL · Cumberland County · Publicly Owned Treatment Works

Average flow: 0.26 MGD

Design flow: 0.73 MGD

NPDES permit: IL0030091; Effective

Permit expires: June 2030

Population served: 2,464; CWNS 2022

Neoga Stp, City Of is a publicly owned wastewater treatment works in Neoga, Cumberland County, Illinois treating an average of 0.26 million gallons per day against a permitted design capacity of 0.73 MGD, serving about 2,464 residents. Treatment on site includes clarifiers, aerated lagoons. It discharges under NPDES permit IL0030091 (effective), which expires in June 2030, with 5 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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Aerated lagoons

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Compliance snapshot (last 3 years)

Total violations: 5

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 Neoga Stp, City Of.

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Neoga 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 November 7, 2025.

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