West Salem Wastewater Treatment Facility
West Salem, WI · La Crosse County · Publicly Owned Treatment Works
- Average flow
- 0.39 MGD
- Design flow
- 0.52 MGD
- NPDES permit
- WI0020389
- Administratively continued
- Permit expires
- June 2020
- Population served
- 5,256
- CWNS 2022
West Salem Wastewater Treatment Facility is a publicly owned wastewater treatment works in West Salem, La Crosse County, Wisconsin treating an average of 0.39 million gallons per day against a permitted design capacity of 0.52 MGD, serving about 5,256 residents. Treatment on site includes biogas balloons. It discharges under NPDES permit WI0020389 (administratively continued), which expires in June 2020, with 1 recorded violation in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Biogas balloons
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Compliance snapshot (last 3 years)
- Total violations
- 1
- Effluent violations
- 1
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at West Salem Wastewater Treatment Facility.
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Nearby wastewater treatment plants in Wisconsin
West Salem · 5 mi away
0.0055 MGD
Mindoro · 8 mi away
0.04 MGD
La Crosse · 11 mi away
10.29 MGD
Sparta · 14 mi away
1.51 MGD
Melrose · 15 mi away
0.02 MGD
Coon Valley · 15 mi away
0.12 MGD
Chaseburg · 17 mi away
0.05 MGD
Galesville · 17 mi away
0.13 MGD
West Salem 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.