How much wastewater does Prophetstown Stp, City Of treat?

Prophetstown Stp, City Of treats an average of 0.15 MGD and is permitted for a design flow of 0.65 MGD.

What treatment technology does Prophetstown Stp, City Of use?

Klarifi has identified uncovered lagoons at the Prophetstown facility.

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

The facility discharges under NPDES permit IL0043061, currently effective, expiring July 2029.

Is Prophetstown Stp, City Of in compliance?

Discharge monitoring reports show 1 violation at Prophetstown Stp, City Of in the last three years, 1 of them effluent limit exceedances. The full history is available in Klarifi.

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

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

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Prophetstown Stp, City Of

Prophetstown, IL · Whiteside County · Publicly Owned Treatment Works

Average flow: 0.15 MGD

Design flow: 0.65 MGD

NPDES permit: IL0043061; Effective

Permit expires: July 2029

Population served: 1,785; CWNS 2022

Prophetstown Stp, City Of is a publicly owned wastewater treatment works in Prophetstown, Whiteside County, Illinois treating an average of 0.15 million gallons per day against a permitted design capacity of 0.65 MGD, serving about 1,785 residents. Treatment on site includes uncovered lagoons. It discharges under NPDES permit IL0043061 (effective), which expires in July 2029, with 1 recorded violation in the last three years.

Treatment technology

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

Uncovered lagoons

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Compliance snapshot (last 3 years)

Total violations: 1

Effluent violations: 1

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

Key contacts

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

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Prophetstown 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 July 29, 2026.

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