Waubun
Waubun, MN · Mahnomen County · Publicly Owned Treatment Works
- Average flow
- 0.04 MGD
- Design flow
- 0.47 MGD
- NPDES permit
- MN0022110
- Administratively continued
- Permit expires
- May 2023
- Population served
- 431
- CWNS 2022
Waubun is a publicly owned wastewater treatment plant in Waubun, Mahnomen County, Minnesota treating an average of 0.04 million gallons per day against a permitted design capacity of 0.47 MGD, serving about 431 residents. Treatment on site includes uncovered lagoons. It discharges under NPDES permit MN0022110 (administratively continued), which expires in May 2023, with 5 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
- 5
- Effluent violations
- 5
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
1 verified contact for Waubun, with validated emails and direct phone numbers.
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Names, validated emails and direct phone numbers for decision-makers at Waubun, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Minnesota
Ogema · 5 mi away
0.02 MGD
White Earth · 7 mi away
0.04 MGD
Mahnomen · 8 mi away
0.1 MGD
Callaway · 14 mi away
0.02 MGD
Ulen Township · 15 mi away
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Naytahwaush · 16 mi away
0.03 MGD
Twin Valley · 17 mi away
—
Bejou · 19 mi away
0.0042 MGD
Waubun: 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 6, 2025.