What is the address of Waldo, City Of?

The address on the plant’s EPA facility record is Beech Rd, Waldo, AR 71770, in Columbia County. Its coordinates are 33.3551, -93.3104. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does Waldo, City Of treat?

Waldo, City Of treats an average of 0.03 MGD and is permitted for a design flow of 0.35 MGD.

What is the NPDES permit for Waldo, City Of?

The facility discharges under NPDES permit AR0043508, currently effective, expiring April 2028.

Is Waldo, City Of in compliance?

Discharge monitoring reports show 11 violations at Waldo, City Of in the last three years, 11 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates Waldo, City Of and how do I contact them?

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

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Waldo, City Of

Beech Rd, Waldo, AR 71770 · Columbia County · Publicly Owned Treatment Works

Average flow: 0.03 MGD

Design flow: 0.35 MGD

NPDES permit: AR0043508; Effective

Permit expires: April 2028

Population served: 1,150; CWNS 2022

Waldo, City Of is a publicly owned wastewater treatment plant in Waldo, Columbia County, Arkansas treating an average of 0.03 million gallons per day against a permitted design capacity of 0.35 MGD, serving about 1,150 residents. It discharges under NPDES permit AR0043508 (effective), which expires in April 2028, with 11 recorded violations in the last three years.

Treatment technology

Treatment structures and unit processes at Waldo, City Of.

Treatment structure data not yet analyzed for this facility.

Compliance snapshot (last 3 years)

Total violations: 11

Effluent violations: 11

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

Key contacts

Decision-makers at Waldo, City Of.

No verified contacts on file yet

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Waldo, 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 October 26, 2026; facility record last updated July 24, 2026.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Activated sludge · Oxidation ditch · all terms

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