How much wastewater does Emerson, City Of - Emerson Wwt treat?

Emerson, City Of - Emerson Wwt treats an average of 0.008 MGD and is permitted for a design flow of 0.05 MGD.

What treatment technology does Emerson, City Of - Emerson Wwt use?

Klarifi has identified uncovered lagoons at the Emerson facility.

What is the NPDES permit for Emerson, City Of - Emerson Wwt?

The facility discharges under NPDES permit AR0039594, currently effective, expiring June 2027.

Is Emerson, City Of - Emerson Wwt in compliance?

Discharge monitoring reports show 6 violations at Emerson, City Of - Emerson Wwt in the last three years. The full history is available in Klarifi.

Who operates Emerson, City Of - Emerson Wwt and how do I contact them?

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

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Emerson, City Of - Emerson Wwt

Emerson, AR · Columbia County · Publicly Owned Treatment Works

Average flow: 0.008 MGD

Design flow: 0.05 MGD

NPDES permit: AR0039594; Effective

Permit expires: June 2027

Population served: 291; CWNS 2022

Emerson, City Of - Emerson Wwt is a publicly owned wastewater treatment works in Emerson, Columbia County, Arkansas treating an average of 0.008 million gallons per day against a permitted design capacity of 0.05 MGD, serving about 291 residents. Treatment on site includes uncovered lagoons. It discharges under NPDES permit AR0039594 (effective), which expires in June 2027, with 6 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: 6

Effluent violations: 0

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

Key contacts

Decision-makers at Emerson, City Of - Emerson Wwt.

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Emerson, City Of - Emerson Wwt: 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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