Ivory Rd S, West Union, IA 52175 · Fayette County · Publicly Owned Treatment Works
West Union City Of STP is a publicly owned wastewater treatment works in West Union, Fayette County, Iowa treating an average of 0.37 million gallons per day against a permitted design capacity of 2.4 MGD, serving about 2,490 residents. It discharges under NPDES permit IA0035378 (effective), which expires in October 2028, with 0 recorded violations in the last three years. EPA has recorded 2 formal enforcement actions naming the plant, the latest in March 2022.
2 treatment structures and unit processes identified at West Union City Of STP.
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See the full treatment train at West Union City Of STP: structures, unit processes and planned upgrades, with exact unit counts.
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Federal civil enforcement cases, compliance inspections and informal actions recorded for West Union City Of STP in EPA's ICIS system.
Latest case · Mar 2022
CITY OF WEST UNION, IOWA
Administrative order · CWA, NPDES Permit Violations · Final Order With Penalty · Penalty $5,520
Source: EPA ECHO, civil enforcement case 07-2016-0354.
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Every action against West Union City Of STP with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Decision-makers at West Union City Of STP.
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Fayette · 7 mi away
0.07 MGD
Clermont · 7 mi away
0.03 MGD
Elgin · 8 mi away
0.04 MGD
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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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 August 16, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Filter press · FOG · all terms