How much wastewater does Ola WWTP treat?

Ola WWTP treats an average of 0.26 MGD and is permitted for a design flow of 0.15 MGD.

What treatment technology does Ola WWTP use?

Klarifi has identified aerated lagoons, uncovered lagoons, lagoon, aerobic at the Ola facility.

What is the NPDES permit for Ola WWTP?

The facility discharges under NPDES permit AR0035688, currently effective, expiring October 2026.

Is Ola WWTP in compliance?

Discharge monitoring reports show 14 violations at Ola WWTP in the last three years, 14 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates Ola WWTP and how do I contact them?

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

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Ola WWTP

Ola, AR · Yell County · Publicly Owned Treatment Works

Average flow: 0.26 MGD

Design flow: 0.15 MGD

NPDES permit: AR0035688; Effective

Permit expires: October 2026

Population served: 936; CWNS 2022

Ola WWTP is a publicly owned wastewater treatment works in Ola, Yell County, Arkansas treating an average of 0.26 million gallons per day against a permitted design capacity of 0.15 MGD, serving about 936 residents. Treatment on site includes aerated lagoons, uncovered lagoons, lagoon, aerobic. It discharges under NPDES permit AR0035688 (effective), which expires in October 2026, with 14 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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Uncovered lagoons

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Lagoon, Aerobic

unit process

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Compliance snapshot (last 3 years)

Total violations: 14

Effluent violations: 14

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

Key contacts

Decision-makers at Ola WWTP.

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Nearby wastewater treatment plants in Arkansas

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Ola WWTP: 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 July 24, 2026.

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