Clinton WWTP
Clinton, IA · Clinton County · Publicly Owned Treatment Works
- Average flow
- —
- Design flow
- 17 MGD
- NPDES permit
- IA0035947
- Effective
- Permit expires
- June 2031
- Population served
- 30,521
- CWNS 2022
Clinton WWTP is a publicly owned wastewater treatment works in Clinton, Clinton County, Iowa, serving about 30,521 residents. Treatment on site includes clarifiers. It discharges under NPDES permit IA0035947 (effective), which expires in June 2031, with 12 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Clarifiers
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Compliance snapshot (last 3 years)
- Total violations
- 12
- Effluent violations
- 4
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Clinton WWTP.
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Nearby wastewater treatment plants in Iowa
Princeton · 10 mi away
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Andover · 12 mi away
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Mccausland · 12 mi away
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Goose Lake · 14 mi away
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Dewitt · 16 mi away
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Charlotte · 16 mi away
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Sabula · 17 mi away
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Miles · 17 mi away
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Clinton WWTP: 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 7, 2025.