Mille Lacs WWTF
Onamia, MN · Mille Lacs County · Publicly Owned Treatment Works
- Average flow
- 0.33 MGD
- Design flow
- 0.63 MGD
- NPDES permit
- 3604227680
- Effective
- Permit expires
- November 2029
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
- 10
- Effluent violations
- 10
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Contacts for Mille Lacs WWTF are available in the Klarifi platform.
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Names, validated emails and direct phone numbers for decision-makers at Mille Lacs WWTF — plus full compliance history and discharge data.
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Milaca · 29 mi away
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Ogilvie · 30 mi away
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Mora · 31 mi away
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Foreston · 31 mi away
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Data sourced from public EPA / NPDES records and Klarifi analysis. Last updated September 2025.