How much wastewater does Atalissa City Of STP treat?

Atalissa City Of STP treats an average of 0.02 MGD and is permitted for a design flow of 0.06 MGD.

What is the NPDES permit for Atalissa City Of STP?

The facility discharges under NPDES permit IA0070998, currently administratively continued, expiring April 2006.

Is Atalissa City Of STP in compliance?

Discharge monitoring reports show 4 violations at Atalissa City Of STP in the last three years, 4 of them effluent limit exceedances. The full history is available in Klarifi.

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

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

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Atalissa City Of STP

Atalissa, IA · Muscatine County · Publicly Owned Treatment Works

Average flow: 0.02 MGD

Design flow: 0.06 MGD

NPDES permit: IA0070998; Administratively continued

Permit expires: April 2006

Population served: 373; CWNS 2022

Atalissa City Of STP is a publicly owned wastewater treatment works in Atalissa, Muscatine County, Iowa treating an average of 0.02 million gallons per day against a permitted design capacity of 0.06 MGD, serving about 373 residents. It discharges under NPDES permit IA0070998 (administratively continued), which expires in April 2006, with 4 recorded violations in the last three years.

Treatment technology

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

Treatment structure data not yet analyzed for this facility.

Compliance snapshot (last 3 years)

Total violations: 4

Effluent violations: 4

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

Key contacts

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

Unlock 1 verified contact

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

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Atalissa 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 May 17, 2025.

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