Sturgeon Bay Utilities
Sturgeon Bay, WI · Door County · Publicly Owned Treatment Works
- Average flow
- 1.06 MGD
- Design flow
- 2.82 MGD
- NPDES permit
- WI0021113
- Expired
- Permit expires
- December 2025
- Population served
- 10,013
- CWNS 2022
Sturgeon Bay Utilities is a publicly owned wastewater treatment plant in Sturgeon Bay, Door County, Wisconsin treating an average of 1.06 million gallons per day against a permitted design capacity of 2.82 MGD, serving about 10,013 residents. Treatment on site includes clarifiers, biogas silos. It discharges under NPDES permit WI0021113 (expired), which expires in December 2025, 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
2 verified contacts for Sturgeon Bay Utilities, with validated emails and direct phone numbers.
Unlock 2 verified contacts
Names, validated emails and direct phone numbers for decision-makers at Sturgeon Bay Utilities, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Wisconsin
Forestville · 11 mi away
0.02 MGD
Algoma · 15 mi away
0.34 MGD
Baileys Harbor · 20 mi away
0.06 MGD
Fish Creek · 22 mi away
0.11 MGD
Casco · 22 mi away
0.06 MGD
Marinette · 23 mi away
1.55 MGD
Peshtigo · 23 mi away
—
Oconto · 24 mi away
0.38 MGD
Sturgeon Bay Utilities: 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 29, 2025.