How much wastewater does Subiaco,city Of treat?

Subiaco,city Of treats an average of 0.1 MGD and is permitted for a design flow of 0.07 MGD.

What treatment technology does Subiaco,city Of use?

Klarifi has identified aerated lagoons at the Subiaco facility.

What is the NPDES permit for Subiaco,city Of?

The facility discharges under NPDES permit AR0040991, currently effective, expiring September 2029.

Is Subiaco,city Of in compliance?

Discharge monitoring reports show 6 violations at Subiaco,city Of in the last three years, 6 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates Subiaco,city Of and how do I contact them?

Subiaco,city Of is a publicly owned treatment works in Subiaco, Arkansas. Klarifi lists decision-maker contacts for this facility, available with a free trial.

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Subiaco,city Of

Subiaco, AR · Logan County · Publicly Owned Treatment Works

Average flow: 0.1 MGD

Design flow: 0.07 MGD

NPDES permit: AR0040991; Effective

Permit expires: September 2029

Population served: —; CWNS 2022

Subiaco,city Of is a publicly owned wastewater treatment plant in Subiaco, Logan County, Arkansas treating an average of 0.1 million gallons per day against a permitted design capacity of 0.07 MGD. Treatment on site includes aerated lagoons. It discharges under NPDES permit AR0040991 (effective), which expires in September 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.

Aerated lagoons

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Compliance snapshot (last 3 years)

Total violations: 6

Effluent violations: 6

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

Key contacts

Decision-makers at Subiaco,city Of.

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Subiaco,city Of: 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 19, 2025.

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