Westfield WWTF
East Park Rd, Westfield, WI 53964 · Marquette County · Publicly Owned Treatment Works
- Average flow
- 0.16 MGD
- Design flow
- 0.45 MGD
- NPDES permit
- WI0022250
- Expired
- Permit expires
- June 2020
- Population served
- 1,260
- CWNS 2022
Westfield WWTF is a publicly owned wastewater treatment works in Westfield, Marquette County, Wisconsin treating an average of 0.16 million gallons per day against a permitted design capacity of 0.45 MGD, serving about 1,260 residents. It discharges under NPDES permit WI0022250 (expired), which expires in June 2020, with 0 recorded violations in the last three years.
Treatment technology
Treatment structures and unit processes at Westfield WWTF.
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 Westfield WWTF.
No verified contacts on file yet
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Nearby wastewater treatment plants in Wisconsin
Packwaukee · 9 mi away
0.04 MGD
Oxford · 9 mi away
0.05 MGD
Neshkoro · 14 mi away
0.05 MGD
Wautoma · 16 mi away
0.34 MGD
Princeton · 17 mi away
0.19 MGD
Friendship · 18 mi away
0.17 MGD
Princeton · 21 mi away
0.65 MGD
Redgranite · 22 mi away
0.15 MGD
Westfield WWTF: 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 October 26, 2026; facility record last updated October 6, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Ozonation · Activated sludge · all terms