Port Wing Town Of
Port Wing, WI · Bayfield County · Publicly Owned Treatment Works
- Average flow
- 0.02 MGD
- Design flow
- 0.02 MGD
- NPDES permit
- WI0029670
- Expired
- Permit expires
- June 2021
- Population served
- 311
- CWNS 2022
Port Wing Town Of is a publicly owned wastewater treatment plant in Port Wing, Bayfield County, Wisconsin treating an average of 0.02 million gallons per day against a permitted design capacity of 0.02 MGD, serving about 311 residents. It discharges under NPDES permit WI0029670 (expired), which expires in June 2021, with 0 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
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 Port Wing Town Of.
No verified contacts on file yet
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Poplar · 22 mi away
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Washburn · 24 mi away
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Bayfield · 26 mi away
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Ashland · 28 mi away
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Bayfield · 29 mi away
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La Pointe · 30 mi away
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Port Wing Town Of: 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 October 6, 2025.