Wpsc Marinette Mgp
Marinette, WI · Marinette County · Publicly Owned Treatment Works
- Average flow
- 1.55 MGD
- Design flow
- 4.25 MGD
- NPDES permit
- WI0026182
- Expired
- Permit expires
- September 2022
- Population served
- 10,968
- CWNS 2022
Wpsc Marinette Mgp is a publicly owned wastewater treatment plant in Marinette, Marinette County, Wisconsin treating an average of 1.55 million gallons per day against a permitted design capacity of 4.25 MGD, serving about 10,968 residents. Treatment on site includes clarifiers, biogas silos, biogas balloons. It discharges under NPDES permit WI0026182 (expired), which expires in September 2022, with 34 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Compliance snapshot (last 3 years)
- Total violations
- 34
- Effluent violations
- 3
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
2 verified contacts for Wpsc Marinette Mgp, with validated emails and direct phone numbers.
Unlock 2 verified contacts
Names, validated emails and direct phone numbers for decision-makers at Wpsc Marinette Mgp, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Wisconsin
Peshtigo · 7 mi away
—
Oconto · 19 mi away
0.38 MGD
Fish Creek · 20 mi away
0.11 MGD
Coleman · 20 mi away
0.11 MGD
Crivitz · 22 mi away
0.09 MGD
Sturgeon Bay · 23 mi away
1.06 MGD
Lena · 23 mi away
0.07 MGD
Ephraim · 23 mi away
0.08 MGD
Wpsc Marinette Mgp: 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 March 6, 2025.