How much wastewater does Winfield, City Of treat?

Winfield, City Of treats an average of 1.87 MGD.

What is the NPDES permit for Winfield, City Of?

The facility discharges under NPDES permit KS0051926, currently effective, expiring November 2030.

Is Winfield, City Of in compliance?

Discharge monitoring reports show 49 violations at Winfield, City Of in the last three years, 4 of them effluent limit exceedances. The full history is available in Klarifi.

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

Winfield, City Of is a publicly owned treatment works in Winfield, Kansas. Klarifi lists 26 verified decision-maker contacts for this facility, available with a free trial.

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Winfield, City Of

Q: What treatment technology does Winfield, City Of use?

Klarifi has identified clarifiers, carrousels / oxidation ditches, biogas silos at the Winfield facility.

Winfield, KS · Cowley County · Publicly Owned Treatment Works

Average flow: 1.87 MGD

Design flow: —

NPDES permit: KS0051926; Effective

Permit expires: November 2030

Population served: 10,357; CWNS 2022

Winfield, City Of is a publicly owned wastewater treatment plant in Winfield, Cowley County, Kansas treating an average of 1.87 million gallons per day, serving about 10,357 residents. Treatment on site includes clarifiers, carrousels / oxidation ditches, biogas silos. It discharges under NPDES permit KS0051926 (effective), which expires in November 2030, with 49 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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Biogas silos

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Compliance snapshot (last 3 years)

Total violations: 49

Effluent violations: 4

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

Key contacts

26 verified contacts for Winfield, City Of, with validated emails and direct phone numbers.

Unlock 26 verified contacts (23 more than shown)

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

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Winfield, 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 February 16, 2025.

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