Wolf Lake WWTP
Wolf Lake, MN · Becker County · Publicly Owned Treatment Works
- Average flow
- —
- Design flow
- 0.008 MGD
- NPDES permit
- MNG585226
- Effective
- Permit expires
- November 2028
- Population served
- —
- CWNS 2022
Wolf Lake WWTP is a publicly owned wastewater treatment works in Wolf Lake, Becker County, Minnesota. Treatment on site includes uncovered lagoons. It discharges under NPDES permit MNG585226 (effective), which expires in November 2028, with 157 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Uncovered lagoons
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Compliance snapshot (last 3 years)
- Total violations
- 157
- 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 Wolf Lake WWTP.
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Nearby wastewater treatment plants in Minnesota
Sebeka · 18 mi away
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Wadena · 27 mi away
0.29 MGD
Deer Creek · 29 mi away
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Callaway · 30 mi away
0.02 MGD
Audubon · 31 mi away
—
White Earth · 31 mi away
0.04 MGD
Ogema · 34 mi away
0.02 MGD
Hewitt · 34 mi away
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Wolf Lake 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 November 7, 2025.