West Union City Of STP
West Union, IA · Fayette County · Publicly Owned Treatment Works
- Average flow
- —
- Design flow
- 2.4 MGD
- NPDES permit
- IA0035378
- Effective
- Permit expires
- October 2028
- Population served
- 2,490
- CWNS 2022
West Union City Of STP is a publicly owned wastewater treatment works in West Union, Fayette County, Iowa, serving about 2,490 residents. Treatment on site includes uncovered lagoons, biogas silos. It discharges under NPDES permit IA0035378 (effective), which expires in October 2028, with 0 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
- 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 West Union City Of STP.
No verified contacts on file yet
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Nearby wastewater treatment plants in Iowa
Fayette · 7 mi away
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Clermont · 7 mi away
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Elgin · 8 mi away
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Hawkeye · 9 mi away
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Wadena · 10 mi away
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St Lucas · 12 mi away
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Maynard · 12 mi away
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Castalia · 13 mi away
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West Union 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 August 16, 2026.