Houghton City Of STP
Houghton, IA · Lee County · Publicly Owned Treatment Works
- Average flow
- —
- Design flow
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- NPDES permit
- IA0036901
- Administratively continued
- Permit expires
- June 2016
- Population served
- 133
- CWNS 2022
Houghton City Of STP is a publicly owned wastewater treatment works in Houghton, Lee County, Iowa, serving about 133 residents. Treatment on site includes uncovered lagoons. It discharges under NPDES permit IA0036901 (administratively continued), which expires in June 2016, with 27 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
- 27
- Effluent violations
- 1
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
1 verified contact for Houghton 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 Houghton City Of STP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Iowa
Saint Paul · 5 mi away
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Salem · 5 mi away
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Hillsboro · 7 mi away
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West Point · 10 mi away
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Donnellson · 10 mi away
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Bonaparte · 11 mi away
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Farmington · 13 mi away
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Stockport · 13 mi away
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Houghton 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 March 28, 2025.