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Donnellson City Of STP

Donnellson, IA · Lee County · Publicly Owned Treatment Works

Average flow
Design flow
0.83 MGD
NPDES permit
IA0035335
Effective
Permit expires
December 2029
Population served
885
CWNS 2022

Donnellson City Of STP is a publicly owned wastewater treatment works in Donnellson, Lee County, Iowa, serving about 885 residents. Treatment on site includes covered lagoons. It discharges under NPDES permit IA0035335 (effective), which expires in December 2029, with 6 recorded violations in the last three years.

Treatment technology

Treatment structures identified at this facility. Exact unit counts are available in Klarifi.

Covered lagoons

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Compliance snapshot (last 3 years)

Total violations
6
Effluent violations
0

Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.

Key contacts

1 verified contact for Donnellson City Of STP, with validated emails and direct phone numbers.

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Names, validated emails and direct phone numbers for decision-makers at Donnellson City Of STP, plus the full compliance history and discharge data.

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Donnellson City Of STP: 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 27, 2025.


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