Princeton
Princeton, MN · Sherburne County · Publicly Owned Treatment Works
- Average flow
- 0.45 MGD
- Design flow
- —
- NPDES permit
- MN0024538
- Effective
- Permit expires
- February 2029
- Population served
- 4,819
- CWNS 2022
Princeton is a publicly owned wastewater treatment plant in Princeton, Sherburne County, Minnesota treating an average of 0.45 million gallons per day, serving about 4,819 residents. Treatment on site includes carrousels / oxidation ditches, biogas silos, biogas balloons. It discharges under NPDES permit MN0024538 (effective), which expires in February 2029, with 2 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Carrousels / oxidation ditches
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Biogas silos
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Biogas balloons
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Compliance snapshot (last 3 years)
- Total violations
- 2
- Effluent violations
- 2
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Princeton.
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Nearby wastewater treatment plants in Minnesota
Zimmerman · 9 mi away
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Pease · 11 mi away
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Foreston · 14 mi away
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Milaca · 15 mi away
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Saint Francis · 15 mi away
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Cambridge · 16 mi away
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Elk River · 17 mi away
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Becker · 18 mi away
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Princeton: 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 August 9, 2026.