Galesville Wastewater Treatment Plant
N15386 Cnty Rd K, Galesville, Wi, Galesville, WI 54630 · Trempealeau County · Publicly Owned Treatment Works
- Average flow
- 0.13 MGD
- Design flow
- 0.31 MGD
- NPDES permit
- WI0021725
- Expired
- Permit expires
- June 2025
- Population served
- 1,520
- CWNS 2022
Galesville Wastewater Treatment Plant is a publicly owned wastewater treatment works in Galesville, Trempealeau County, Wisconsin treating an average of 0.13 million gallons per day against a permitted design capacity of 0.31 MGD, serving about 1,520 residents. It discharges under NPDES permit WI0021725 (expired), which expires in June 2025, with 5 recorded violations in the last three years.
Treatment technology
One treatment structure or unit process identified at Galesville Wastewater Treatment Plant.
Available with a free Klarifi account
See the full treatment train at Galesville Wastewater Treatment Plant: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 5
- Effluent violations
- 5
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Galesville Wastewater Treatment Plant.
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Nearby wastewater treatment plants in Wisconsin
Trempealeau · 5 mi away
0.14 MGD
Ettrick · 9 mi away
0.02 MGD
Dodge · 11 mi away
0.02 MGD
Mindoro · 13 mi away
0.04 MGD
Arcadia · 15 mi away
1.25 MGD
West Salem · 17 mi away
0.54 MGD
Fountain City · 18 mi away
0.09 MGD
Melrose · 18 mi away
0.02 MGD
Galesville Wastewater Treatment Plant: 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 September 16, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Ozonation · Activated sludge · all terms