Lidderdale WWTP
Lidderdale, IA · Carroll County · Publicly Owned Treatment Works
- Average flow
- —
- Design flow
- —
- NPDES permit
- IA0056855
- Effective
- Permit expires
- April 2028
- Population served
- 180
- CWNS 2022
Lidderdale WWTP is a publicly owned wastewater treatment works in Lidderdale, Carroll County, Iowa, serving about 180 residents. Treatment on site includes uncovered lagoons. It discharges under NPDES permit IA0056855 (effective), which expires in April 2028, with 2 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
- 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 Lidderdale WWTP.
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Nearby wastewater treatment plants in Iowa
Carroll · 6 mi away
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Lanesboro · 6 mi away
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Glidden · 6 mi away
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Auburn · 10 mi away
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Lake City · 10 mi away
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Breda · 11 mi away
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Halbur · 13 mi away
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Arcadia · 14 mi away
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Lidderdale 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 February 28, 2025.