Saint Michael WWTP
Saint Michael, MN · Wright County · Publicly Owned Treatment Works
- Average flow
- 0.96 MGD
- Design flow
- 3.17 MGD
- NPDES permit
- MN0020222
- Effective
- Permit expires
- November 2030
- Population served
- 21,733
- CWNS 2022
Saint Michael WWTP is a publicly owned wastewater treatment works in Saint Michael, Wright County, Minnesota treating an average of 0.96 million gallons per day against a permitted design capacity of 3.17 MGD, serving about 21,733 residents. Treatment on site includes biogas balloons. It discharges under NPDES permit MN0020222 (effective), which expires in November 2030, with 24 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Biogas balloons
Unlock
Unlock exact unit counts →
Compliance snapshot (last 3 years)
- Total violations
- 24
- Effluent violations
- 0
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
2 verified contacts for Saint Michael WWTP, with validated emails and direct phone numbers.
Unlock 2 verified contacts
Names, validated emails and direct phone numbers for decision-makers at Saint Michael WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Minnesota
Albertville · 3 mi away
0.58 MGD
Otsego · 4 mi away
0.48 MGD
Rogers · 4 mi away
1.09 MGD
Rogers · 6 mi away
0.51 MGD
Elk River · 8 mi away
1.6 MGD
Big Lake · 8 mi away
0.74 MGD
Rockford · 8 mi away
—
Monticello · 9 mi away
1.05 MGD
Saint Michael 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 May 20, 2025.