Eldon City Of STP
Eldon, IA · Wapello County · Publicly Owned Treatment Works
- Average flow
- —
- Design flow
- —
- NPDES permit
- IA0022306
- Effective
- Permit expires
- April 2030
- Population served
- 783
- CWNS 2022
Eldon City Of STP is a publicly owned wastewater treatment works in Eldon, Wapello County, Iowa, serving about 783 residents. Treatment on site includes uncovered lagoons. It discharges under NPDES permit IA0022306 (effective), which expires in April 2030, with 18 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Uncovered lagoons
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Compliance snapshot (last 3 years)
- Total violations
- 18
- Effluent violations
- 18
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Eldon City Of STP.
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Nearby wastewater treatment plants in Iowa
Batavia · 7 mi away
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Agency · 8 mi away
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Libertyville · 9 mi away
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Ottumwa · 12 mi away
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Pulaski · 14 mi away
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Birmingham · 14 mi away
0.04 MGD
Fairfield · 15 mi away
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Fairfield · 15 mi away
0.0079 MGD
Eldon City Of STP: 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 September 11, 2026.