How much wastewater does Union Grove Village treat?

Union Grove Village treats an average of 0.6 MGD and is permitted for a design flow of 1 MGD.

What treatment technology does Union Grove Village use?

Klarifi has identified carrousels / oxidation ditches, biogas silos at the Union Grove facility.

What is the NPDES permit for Union Grove Village?

The facility discharges under NPDES permit WI0028291, currently expired, expiring June 2025.

Is Union Grove Village in compliance?

Discharge monitoring reports show 3 violations at Union Grove Village in the last three years, 3 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates Union Grove Village and how do I contact them?

Union Grove Village is a publicly owned treatment works in Union Grove, Wisconsin. Klarifi lists decision-maker contacts for this facility, available with a free trial.

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Union Grove Village

Union Grove, WI · Racine County · Publicly Owned Treatment Works

Average flow: 0.6 MGD

Design flow: 1 MGD

NPDES permit: WI0028291; Expired

Permit expires: June 2025

Population served: 5,100; CWNS 2022

Union Grove Village is a publicly owned wastewater treatment plant in Union Grove, Racine County, Wisconsin treating an average of 0.6 million gallons per day against a permitted design capacity of 1 MGD, serving about 5,100 residents. Treatment on site includes carrousels / oxidation ditches, biogas silos. It discharges under NPDES permit WI0028291 (expired), which expires in June 2025, with 3 recorded violations in the last three years.

Treatment technology

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

Carrousels / oxidation ditches

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Biogas silos

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Compliance snapshot (last 3 years)

Total violations: 3

Effluent violations: 3

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

Key contacts

Decision-makers at Union Grove Village.

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Union Grove Village: 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 April 13, 2025.

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