Poweshiek Water Association
Brooklyn, IA · Poweshiek County · Publicly Owned Treatment Works
- Average flow
- —
- Design flow
- —
- NPDES permit
- IA0077283
- Effective
- Permit expires
- June 2031
- Population served
- 135
- CWNS 2022
Poweshiek Water Association is a publicly owned wastewater treatment plant in Brooklyn, Poweshiek County, Iowa, serving about 135 residents. Treatment on site includes aerated lagoons. It discharges under NPDES permit IA0077283 (effective), which expires in June 2031, with 0 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
- 0
- Effluent violations
- 0
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Poweshiek Water Association.
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Grinnell · 16 mi away
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Poweshiek Water Association: 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.