Lewiston WWTP
Lewiston, MN · Winona County · Publicly Owned Treatment Works
- Average flow
- 0.08 MGD
- Design flow
- 0.35 MGD
- NPDES permit
- 3603672528
- Effective
- Permit expires
- July 2028
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
- 13
- Effluent violations
- 11
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Contacts for Lewiston WWTP are available in the Klarifi platform.
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Names, validated emails and direct phone numbers for decision-makers at Lewiston WWTP — plus full compliance history and discharge data.
Try Klarifi freeNearby wastewater treatment plants in Minnesota
Utica · 4 mi away
0.13 MGD
Stockton · 6 mi away
0.29 MGD
Saint Charles · 9 mi away
0.65 MGD
Rollingstone Township · 9 mi away
0.41 MGD
Minnesota City · 11 mi away
0.01 MGD
Peterson · 13 mi away
0.02 MGD
Rushford · 13 mi away
0.11 MGD
Chatfield · 18 mi away
0.17 MGD
Data sourced from public EPA / NPDES records and Klarifi analysis. Last updated November 2025.