New London WWTP
New London, IA · Henry County · Publicly Owned Treatment Works
- Average flow
- —
- Design flow
- 3.46 MGD
- NPDES permit
- IA0025941
- Effective
- Permit expires
- October 2026
- Population served
- 1,910
- CWNS 2022
New London WWTP is a publicly owned wastewater treatment works in New London, Henry County, Iowa, serving about 1,910 residents. Treatment on site includes aerated lagoons. It discharges under NPDES permit IA0025941 (effective), which expires in October 2026, with 2 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Aerated lagoons
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Compliance snapshot (last 3 years)
- Total violations
- 2
- Effluent violations
- 2
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at New London WWTP.
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Nearby wastewater treatment plants in Iowa
Danville · 7 mi away
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Middletown · 10 mi away
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Salem · 11 mi away
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Saint Paul · 12 mi away
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Denmark · 12 mi away
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West Point · 14 mi away
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Houghton · 14 mi away
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Winfield · 14 mi away
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New London 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 August 18, 2026.