Oxford Wastewater Treatment Facility
Oxford, WI · Marquette County · Publicly Owned Treatment Works
- Average flow
- 0.03 MGD
- Design flow
- 0.06 MGD
- NPDES permit
- WI0032077
- Expired
- Permit expires
- December 2022
- Population served
- 553
- CWNS 2022
Oxford Wastewater Treatment Facility is a publicly owned wastewater treatment works in Oxford, Marquette County, Wisconsin treating an average of 0.03 million gallons per day against a permitted design capacity of 0.06 MGD, serving about 553 residents. Treatment on site includes uncovered lagoons. It discharges under NPDES permit WI0032077 (expired), which expires in December 2022, with 7 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Uncovered lagoons
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Compliance snapshot (last 3 years)
- Total violations
- 7
- Effluent violations
- 7
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Oxford Wastewater Treatment Facility.
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Portage · 18 mi away
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Friendship · 19 mi away
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Neshkoro · 22 mi away
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Kingston · 23 mi away
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Oxford 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 7, 2025.