Osceola Municipal WWTF
Front St & Olive St, Osceola, MO 64776 · St. Clair County · Publicly Owned Treatment Works
- Average flow
- 0.13 MGD
- Design flow
- —
- NPDES permit
- MO0093548
- Effective
- Permit expires
- March 2027
- Population served
- 1,235
- CWNS 2022
Osceola Municipal WWTF is a publicly owned wastewater treatment works in Osceola, St. Clair County, Missouri treating an average of 0.13 million gallons per day, serving about 1,235 residents. It discharges under NPDES permit MO0093548 (effective), which expires in March 2027, with 30 recorded violations in the last three years.
Treatment technology
4 treatment structures and unit processes identified at Osceola Municipal WWTF.
Available with a free Klarifi account
See the full treatment train at Osceola Municipal WWTF: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 30
- Effluent violations
- 2
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Osceola Municipal WWTF.
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Osceola Municipal 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 September 6, 2024.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Equalization tank · Centrate · all terms