Rothsay WWTP
Rothsay, MN · Wilkin County · Publicly Owned Treatment Works
- Average flow
- —
- Design flow
- 0.06 MGD
- NPDES permit
- MNG585064
- Effective
- Permit expires
- November 2028
- Population served
- —
- CWNS 2022
Rothsay WWTP is a publicly owned wastewater treatment works in Rothsay, Wilkin County, Minnesota. Treatment on site includes aerated lagoons. It discharges under NPDES permit MNG585064 (effective), which expires in November 2028, with 1 recorded violation in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Aerated lagoons
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Compliance snapshot (last 3 years)
- Total violations
- 1
- Effluent violations
- 1
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Rothsay WWTP.
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Pelican Rapids · 12 mi away
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Barnesville · 14 mi away
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Fergus Falls · 16 mi away
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Breckenridge · 18 mi away
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Comstock · 25 mi away
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Hawley · 27 mi away
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Sabin · 28 mi away
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Rothsay 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 6, 2025.