St Nazianz Wastewater Treatment Facility
St. Nazianz, WI · Manitowoc County · Publicly Owned Treatment Works
- Average flow
- 0.03 MGD
- Design flow
- 0.13 MGD
- NPDES permit
- WI0022195
- Expired
- Permit expires
- June 2023
- Population served
- 763
- CWNS 2022
St Nazianz Wastewater Treatment Facility is a publicly owned wastewater treatment works in St. Nazianz, Manitowoc County, Wisconsin treating an average of 0.03 million gallons per day against a permitted design capacity of 0.13 MGD, serving about 763 residents. Treatment on site includes clarifiers, uncovered lagoons, biogas balloons. It discharges under NPDES permit WI0022195 (expired), which expires in June 2023, with 0 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
- 0
- Effluent violations
- 0
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
1 verified contact for St Nazianz Wastewater Treatment Facility, with validated emails and direct phone numbers.
Unlock 1 verified contact
Names, validated emails and direct phone numbers for decision-makers at St Nazianz Wastewater Treatment Facility, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Wisconsin
Kiel · 8 mi away
1.05 MGD
New Holstein · 9 mi away
—
Reedsville · 9 mi away
0.005 MGD
Potter · 11 mi away
0.02 MGD
Chilton · 11 mi away
0.71 MGD
Cleveland · 12 mi away
0.12 MGD
Brillion · 13 mi away
0.46 MGD
Hilbert · 14 mi away
0.2 MGD
St Nazianz Wastewater Treatment Facility: 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 November 27, 2025.