Osceola WWTP South
Osceola, IA · Clarke County · Publicly Owned Treatment Works
- Average flow
- —
- Design flow
- 9.84 MGD
- NPDES permit
- IA0041815
- Effective
- Permit expires
- October 2029
- Population served
- 5,152
- CWNS 2022
Osceola WWTP South is a publicly owned wastewater treatment works in Osceola, Clarke County, Iowa, serving about 5,152 residents. Treatment on site includes clarifiers, aerated lagoons, uncovered lagoons, biogas silos, biogas balloons. It discharges under NPDES permit IA0041815 (effective), which expires in October 2029, with 165 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
- 165
- Effluent violations
- 165
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
2 verified contacts for Osceola WWTP South, with validated emails and direct phone numbers.
Unlock 2 verified contacts
Names, validated emails and direct phone numbers for decision-makers at Osceola WWTP South, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Iowa
Woodburn · 9 mi away
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Weldon · 9 mi away
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Murray · 10 mi away
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Van Wert · 11 mi away
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New Virginia · 11 mi away
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Garden Grove · 15 mi away
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Lucas · 15 mi away
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Derby · 16 mi away
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Osceola WWTP South: 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 August 11, 2026.