How much wastewater does Tiskilwa Stp, Village Of treat?

Tiskilwa Stp, Village Of treats an average of 0.04 MGD and is permitted for a design flow of 0.6 MGD.

What treatment technology does Tiskilwa Stp, Village Of use?

Klarifi has identified aerated lagoons, uncovered lagoons at the Tiskilwa facility.

What is the NPDES permit for Tiskilwa Stp, Village Of?

The facility discharges under NPDES permit IL0025160, currently effective, expiring December 2027.

Is Tiskilwa Stp, Village Of in compliance?

Discharge monitoring reports show 34 violations at Tiskilwa Stp, Village Of in the last three years, 14 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates Tiskilwa Stp, Village Of and how do I contact them?

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

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Tiskilwa Stp, Village Of

Tiskilwa, IL · Bureau County · Publicly Owned Treatment Works

Average flow: 0.04 MGD

Design flow: 0.6 MGD

NPDES permit: IL0025160; Effective

Permit expires: December 2027

Population served: —; CWNS 2022

Tiskilwa Stp, Village Of is a publicly owned wastewater treatment works in Tiskilwa, Bureau County, Illinois treating an average of 0.04 million gallons per day against a permitted design capacity of 0.6 MGD. Treatment on site includes aerated lagoons, uncovered lagoons. It discharges under NPDES permit IL0025160 (effective), which expires in December 2027, with 34 recorded violations in the last three years.

Treatment technology

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

Aerated lagoons

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Uncovered lagoons

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Compliance snapshot (last 3 years)

Total violations: 34

Effluent violations: 14

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

Key contacts

Decision-makers at Tiskilwa Stp, Village Of.

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Nearby wastewater treatment plants in Illinois

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Buda Stp, Village Of

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Granville Stp, Village Of

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Henry Stp, City Of

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Tiskilwa Stp, Village 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 6, 2025.

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