Belle Plaine WWTP
Belle Plaine, MN · Scott County · Publicly Owned Treatment Works
- Average flow
- 0.43 MGD
- Design flow
- 0.99 MGD
- NPDES permit
- MN0022772
- Effective
- Permit expires
- May 2027
- Population served
- 7,775
- CWNS 2022
Belle Plaine WWTP is a publicly owned wastewater treatment works in Belle Plaine, Scott County, Minnesota treating an average of 0.43 million gallons per day against a permitted design capacity of 0.99 MGD, serving about 7,775 residents. Treatment on site includes uncovered lagoons, carrousels / oxidation ditches, biogas balloons. It discharges under NPDES permit MN0022772 (effective), which expires in May 2027, with 30 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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Carrousels / oxidation ditches
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Biogas balloons
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Compliance snapshot (last 3 years)
- Total violations
- 30
- 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 Belle Plaine WWTP.
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Nearby wastewater treatment plants in Minnesota
Jordan · 9 mi away
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Young America Township · 10 mi away
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Cologne · 10 mi away
0.13 MGD
Norwood Young America · 11 mi away
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New Prague · 12 mi away
0.7 MGD
Arlington · 13 mi away
—
Chaska · 15 mi away
0.002 MGD
Le Center · 17 mi away
0.38 MGD
Belle Plaine 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.