Osceola WWTF
103 Depot Road, Osceola, WI 54020 · Polk County · Publicly Owned Treatment Works
- Average flow
- —
- Design flow
- 0.52 MGD
- NPDES permit
- WI0025020
- Expired
- Permit expires
- September 2019
- Population served
- 3,750
- CWNS 2022
Osceola WWTF is a publicly owned wastewater treatment works in Osceola, Polk County, Wisconsin, serving about 3,750 residents. It discharges under NPDES permit WI0025020 (expired), which expires in September 2019, with 0 recorded violations in the last three years.
Treatment technology
2 treatment structures and unit processes identified at Osceola WWTF.
Available with a free Klarifi account
See the full treatment train at Osceola WWTF: structures, unit processes and planned upgrades, with exact unit counts.
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 Osceola WWTF.
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Nearby wastewater treatment plants in Wisconsin
St Croix Falls · 7 mi away
0.21 MGD
Star Prairie · 12 mi away
0.06 MGD
Somerset · 13 mi away
0.2 MGD
New Richmond · 16 mi away
0.71 MGD
Amery · 17 mi away
0.27 MGD
Roberts · 25 mi away
0.12 MGD
Clayton · 27 mi away
0.18 MGD
Turtle Lake · 28 mi away
0.55 MGD
Osceola 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 November 27, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Anaerobic digester · Lift station · all terms