Sherwood Wastewater Treatment Facility
Woodville, WI · St. Croix County · Publicly Owned Treatment Works
- Average flow
- —
- Design flow
- 0.05 MGD
- NPDES permit
- WI0031127
- Expired
- Permit expires
- March 2023
- Population served
- 3,084
- CWNS 2022
Sherwood Wastewater Treatment Facility is a publicly owned wastewater treatment works in Woodville, St. Croix County, Wisconsin, serving about 3,084 residents. Treatment on site includes uncovered lagoons, carrousels / oxidation ditches. It discharges under NPDES permit WI0031127 (expired), which expires in March 2023, with 14 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
- 14
- Effluent violations
- 14
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
2 verified contacts for Sherwood Wastewater Treatment Facility, with validated emails and direct phone numbers.
Unlock 2 verified contacts
Names, validated emails and direct phone numbers for decision-makers at Sherwood Wastewater Treatment Facility, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Wisconsin
Hilbert · 5 mi away
0.2 MGD
Holland · 6 mi away
0.25 MGD
Brillion · 6 mi away
—
Kaukauna · 8 mi away
2.21 MGD
Brillion · 8 mi away
0.46 MGD
New Holstein · 8 mi away
0.04 MGD
Potter · 8 mi away
0.02 MGD
Appleton · 9 mi away
9.25 MGD
Sherwood 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 20, 2025.