Pine City
County Road 55, Pine City, MN 55063 · Pine County · Publicly Owned Treatment Works
- Average flow
- 0.61 MGD
- Design flow
- 0.75 MGD
- NPDES permit
- MN0021784
- Expired
- Permit expires
- March 2025
- Population served
- 3,187
- CWNS 2022
Pine City is a publicly owned wastewater treatment plant in Pine City, Pine County, Minnesota treating an average of 0.61 million gallons per day against a permitted design capacity of 0.75 MGD, serving about 3,187 residents. It discharges under NPDES permit MN0021784 (expired), which expires in March 2025, with 32 recorded violations in the last three years.
Treatment technology
Treatment structures and unit processes at Pine City.
Treatment structure data not yet analyzed for this facility.
Compliance snapshot (last 3 years)
- Total violations
- 32
- Effluent violations
- 5
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Pine City.
No verified contacts on file yet
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Nearby wastewater treatment plants in Minnesota
Hinckley · 12 mi away
0.23 MGD
Braham · 14 mi away
0.14 MGD
Mora · 17 mi away
0.27 MGD
Sandstone · 18 mi away
—
Harris · 18 mi away
0.02 MGD
Ogilvie · 22 mi away
0.04 MGD
North Branch · 23 mi away
0.41 MGD
Cambridge · 24 mi away
0.68 MGD
Pine City: 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 October 26, 2026; facility record last updated September 24, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Biological nutrient removal · Tertiary treatment · all terms