Winnebago WWTP
Winnebago, MN · Faribault County · Publicly Owned Treatment Works
- Average flow
- 0.22 MGD
- Design flow
- —
- NPDES permit
- MNL025267
- Effective
- Permit expires
- December 2030
- Population served
- 1,742
- CWNS 2022
Winnebago WWTP is a publicly owned wastewater treatment works in Winnebago, Faribault County, Minnesota treating an average of 0.22 million gallons per day, serving about 1,742 residents. Treatment on site includes clarifiers, biogas silos, biogas balloons. It discharges under NPDES permit MNL025267 (effective), which expires in December 2030, with 13 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Compliance snapshot (last 3 years)
- Total violations
- 13
- 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 Winnebago WWTP.
No verified contacts on file yet
Klarifi verifies plant and municipal decision-makers continuously. Start a free trial to browse contacts at nearby plants and flag this one for verification.
Nearby wastewater treatment plants in Minnesota
Delavan · 8 mi away
—
Amboy · 8 mi away
0.15 MGD
Granada · 9 mi away
—
Northrop · 12 mi away
—
Vernon Center · 13 mi away
0.06 MGD
Mapleton · 16 mi away
—
Lewisville · 17 mi away
—
Elmore · 18 mi away
—
Winnebago 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 March 1, 2025.