Rich Prairie WWTF
Pierz, MN 56364 · Morrison County · Publicly Owned Treatment Works
- Average flow
- —
- Design flow
- 0.23 MGD
- NPDES permit
- MN0063657
- Effective
- Permit expires
- July 2030
- Population served
- —
- CWNS 2022
Rich Prairie WWTF is a publicly owned wastewater treatment works in Pierz, Morrison County, Minnesota. It discharges under NPDES permit MN0063657 (effective), which expires in July 2030, with 0 recorded violations in the last three years.
Treatment technology
Treatment structures and unit processes at Rich Prairie WWTF.
Treatment structure data not yet analyzed for this facility.
Compliance snapshot (last 3 years)
- Total violations
- 0
- 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 Rich Prairie WWTF.
No verified contacts on file yet
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Nearby wastewater treatment plants in Minnesota
Royalton · 14 mi away
0.11 MGD
Swan River · 16 mi away
0.007 MGD
Rice · 17 mi away
—
Gilman · 18 mi away
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Bowlus · 19 mi away
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Onamia · 20 mi away
0.3 MGD
Flensburg · 20 mi away
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Randall · 20 mi away
0.07 MGD
Rich Prairie WWTF: 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 January 5, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · FOG · Equalization tank · all terms