How much wastewater does Wyoming Stp, City Of treat?

Wyoming Stp, City Of treats an average of 0.13 MGD and is permitted for a design flow of 1.04 MGD.

What treatment technology does Wyoming Stp, City Of use?

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

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

The facility discharges under NPDES permit IL0026336, currently effective, expiring May 2029.

Is Wyoming Stp, City Of in compliance?

Discharge monitoring reports show 447 violations at Wyoming Stp, City Of in the last three years, 42 of them effluent limit exceedances. The full history is available in Klarifi.

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

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

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Wyoming Stp, City Of

Wyoming, IL · Stark County · Publicly Owned Treatment Works

Average flow: 0.13 MGD

Design flow: 1.04 MGD

NPDES permit: IL0026336; Effective

Permit expires: May 2029

Population served: 1,253; CWNS 2022

Wyoming Stp, City Of is a publicly owned wastewater treatment works in Wyoming, Stark County, Illinois treating an average of 0.13 million gallons per day against a permitted design capacity of 1.04 MGD, serving about 1,253 residents. Treatment on site includes clarifiers, carrousels / oxidation ditches. It discharges under NPDES permit IL0026336 (effective), which expires in May 2029, with 447 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: 447

Effluent violations: 42

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

Key contacts

1 verified contact for Wyoming 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 Wyoming Stp, City Of, plus the full compliance history and discharge data.

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Nearby wastewater treatment plants in Illinois

Toulon Stp, City Of

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Princeville Stp, Village Of

Princeville · 9 mi away

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Bradford Stp, Village Of

Bradford · 10 mi away

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Kewanee STP

Kewanee · 14 mi away

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Williamsfield WWTP

Williamsfield · 15 mi away

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Galva Southwest STP

Galva · 15 mi away

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Galva Northeast STP

Galva · 15 mi away

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Dunlap, Village Of

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Wyoming 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 5, 2026.

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