What is the address of Winchester Stp, City Of?

The address on the plant’s EPA facility record is Red Bridge Road, Winchester, IL 62694, in Scott County. Its coordinates are 39.6192, -90.4554. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does Winchester Stp, City Of treat?

Winchester Stp, City Of treats an average of 0.15 MGD.

What treatment technology does Winchester Stp, City Of use?

Klarifi has identified 2 treatment structures and unit processes at the Winchester facility. The full treatment train, with exact unit counts, is shown in Klarifi with a free account.

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

The facility discharges under NPDES permit IL0031801, currently effective, expiring December 2028.

Is Winchester Stp, City Of in compliance?

Discharge monitoring reports show no violations at Winchester Stp, City Of in the last three years.

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

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

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Winchester Stp, City Of

Red Bridge Road, Winchester, IL 62694 · Scott County · Publicly Owned Treatment Works

Average flow: 0.15 MGD

Design flow: —

NPDES permit: IL0031801; Effective

Permit expires: December 2028

Population served: 1,458; CWNS 2022

Winchester Stp, City Of is a publicly owned wastewater treatment works in Winchester, Scott County, Illinois treating an average of 0.15 million gallons per day, serving about 1,458 residents. It discharges under NPDES permit IL0031801 (effective), which expires in December 2028, with 0 recorded violations in the last three years.

Treatment technology

2 treatment structures and unit processes identified at Winchester Stp, City Of.

Available with a free Klarifi account

See the full treatment train at Winchester Stp, City Of: structures, unit processes and planned upgrades, with exact unit counts.

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Compliance snapshot (last 3 years)

Total violations: 0

Effluent violations: 0

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

Key contacts

Decision-makers at Winchester Stp, City Of.

No verified contacts on file yet

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Nearby wastewater treatment plants in Illinois

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White Hall Stp, City Of

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Griggsville Stp, City Of

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Winchester 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 October 19, 2026; facility record last updated October 9, 2026.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · WWTP · Biosolids · all terms

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