Essex City Of STP
Essex, IA · Page County · Publicly Owned Treatment Works
- Average flow
- —
- Design flow
- 1.35 MGD
- NPDES permit
- IA0026603
- Effective
- Permit expires
- September 2027
- Population served
- 722
- CWNS 2022
Essex City Of STP is a publicly owned wastewater treatment works in Essex, Page County, Iowa, serving about 722 residents. Treatment on site includes uncovered lagoons. It discharges under NPDES permit IA0026603 (effective), which expires in September 2027, with 42 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
- 42
- Effluent violations
- 38
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
1 verified contact for Essex City Of STP, with validated emails and direct phone numbers.
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Names, validated emails and direct phone numbers for decision-makers at Essex City Of STP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Iowa
Shenandoah · 6 mi away
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Farragut · 12 mi away
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Red Oak · 13 mi away
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Emerson · 13 mi away
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Randolph · 13 mi away
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Coin · 14 mi away
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Stanton · 15 mi away
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Riverton · 17 mi away
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Essex 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 February 10, 2025.