How much wastewater does Lester City Of STP treat?

Lester City Of STP treats an average of 0.04 MGD and is permitted for a design flow of 0.05 MGD.

What treatment technology does Lester City Of STP use?

Klarifi has identified uncovered lagoons at the Lester facility.

What is the NPDES permit for Lester City Of STP?

The facility discharges under NPDES permit IA0026620, currently administratively continued, expiring February 2017.

Is Lester City Of STP in compliance?

Discharge monitoring reports show 15 violations at Lester City Of STP in the last three years, 15 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates Lester City Of STP and how do I contact them?

Lester City Of STP is a publicly owned treatment works in Lester, Iowa. Klarifi lists 1 verified decision-maker contact for this facility, available with a free trial.

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Lester City Of STP

Lester, IA · Lyon County · Publicly Owned Treatment Works

Average flow: 0.04 MGD

Design flow: 0.05 MGD

NPDES permit: IA0026620; Administratively continued

Permit expires: February 2017

Population served: 296; CWNS 2022

Lester City Of STP is a publicly owned wastewater treatment works in Lester, Lyon County, Iowa treating an average of 0.04 million gallons per day against a permitted design capacity of 0.05 MGD, serving about 296 residents. Treatment on site includes uncovered lagoons. It discharges under NPDES permit IA0026620 (administratively continued), which expires in February 2017, with 15 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: 15

Effluent violations: 15

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

Key contacts

1 verified contact for Lester 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 Lester City Of STP, plus the full compliance history and discharge data.

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Lester 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 September 11, 2026.

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