New London WWTP
Nixon Dr, New London, IA 52645 · Henry County · Publicly Owned Treatment Works
- Average flow
- 0.26 MGD
- 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 treating an average of 0.26 million gallons per day against a permitted design capacity of 3.46 MGD, serving about 1,910 residents. It discharges under NPDES permit IA0025941 (effective), which expires in October 2026, with 2 recorded violations in the last three years.
Treatment technology
One treatment structure or unit process identified at New London WWTP.
Available with a free Klarifi account
See the full treatment train at New London WWTP: structures, unit processes and planned upgrades, with exact unit counts.
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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0.1 MGD
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1.13 MGD
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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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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 October 26, 2026; facility record last updated August 18, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Centrate · Ozonation · all terms