How much wastewater does Redwood Falls WWTP treat?

Redwood Falls WWTP treats an average of 0.89 MGD and is permitted for a design flow of 1.32 MGD.

What treatment technology does Redwood Falls WWTP use?

Klarifi has identified biogas balloons at the Redwood Falls facility.

What is the NPDES permit for Redwood Falls WWTP?

The facility discharges under NPDES permit MN0020401, currently effective, expiring December 2027.

Is Redwood Falls WWTP in compliance?

Discharge monitoring reports show 26 violations at Redwood Falls WWTP in the last three years, 26 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates Redwood Falls WWTP and how do I contact them?

Redwood Falls WWTP is a publicly owned treatment works in Redwood Falls, Minnesota. Klarifi lists decision-maker contacts for this facility, available with a free trial.

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Redwood Falls WWTP

Redwood Falls, MN · Redwood County · Publicly Owned Treatment Works

Average flow: 0.89 MGD

Design flow: 1.32 MGD

NPDES permit: MN0020401; Effective

Permit expires: December 2027

Population served: 5,838; CWNS 2022

Redwood Falls WWTP is a publicly owned wastewater treatment works in Redwood Falls, Redwood County, Minnesota treating an average of 0.89 million gallons per day against a permitted design capacity of 1.32 MGD, serving about 5,838 residents. Treatment on site includes biogas balloons. It discharges under NPDES permit MN0020401 (effective), which expires in December 2027, with 26 recorded violations in the last three years.

Treatment technology

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

Biogas balloons

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Compliance snapshot (last 3 years)

Total violations: 26

Effluent violations: 26

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

Key contacts

Decision-makers at Redwood Falls WWTP.

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Redwood Falls WWTP: 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 May 3, 2025.

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