How much wastewater does Nokomis Stp, City Of treat?

Nokomis Stp, City Of treats an average of 0.08 MGD and is permitted for a design flow of 0.9 MGD.

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

The facility discharges under NPDES permit IL0020206, currently administratively continued, expiring June 2026.

Is Nokomis Stp, City Of in compliance?

Discharge monitoring reports show 98 violations at Nokomis Stp, City Of in the last three years, 94 of them effluent limit exceedances. The full history is available in Klarifi.

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

Nokomis Stp, City Of is a publicly owned treatment works in Nokomis, Illinois. Klarifi lists 2 verified decision-maker contacts for this facility, available with a free trial.

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Nokomis Stp, City Of

Q: What treatment technology does Nokomis Stp, City Of use?

Klarifi has identified clarifiers, aerated lagoons, uncovered lagoons at the Nokomis facility.

Nokomis, IL · Montgomery County · Publicly Owned Treatment Works

Average flow: 0.08 MGD

Design flow: 0.9 MGD

NPDES permit: IL0020206; Administratively continued

Permit expires: June 2026

Population served: 2,142; CWNS 2022

Nokomis Stp, City Of is a publicly owned wastewater treatment works in Nokomis, Montgomery County, Illinois treating an average of 0.08 million gallons per day against a permitted design capacity of 0.9 MGD, serving about 2,142 residents. Treatment on site includes clarifiers, aerated lagoons, uncovered lagoons. It discharges under NPDES permit IL0020206 (administratively continued), which expires in June 2026, with 98 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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Uncovered lagoons

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Compliance snapshot (last 3 years)

Total violations: 98

Effluent violations: 94

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

Key contacts

2 verified contacts for Nokomis Stp, City Of, with validated emails and direct phone numbers.

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

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Nokomis 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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