What is the address of Coalgate Pwa?

The address on the plant’s EPA facility record is 3 South Main, Coalgate, OK 74538, in Coal County. Its coordinates are 34.5087, -96.2127. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does Coalgate Pwa treat?

Coalgate Pwa treats an average of 0.4 MGD and is permitted for a design flow of 0.22 MGD.

What treatment technology does Coalgate Pwa use?

Klarifi has identified one treatment structure or unit process at the Coalgate facility. The full treatment train, with exact unit counts, is shown in Klarifi with a free account.

What is the NPDES permit for Coalgate Pwa?

The facility discharges under NPDES permit OKG580028, currently administratively continued, expiring July 2026.

Is Coalgate Pwa in compliance?

Discharge monitoring reports show 73 violations at Coalgate Pwa in the last three years, 61 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates Coalgate Pwa and how do I contact them?

Coalgate Pwa is a publicly owned treatment works in Coalgate, Oklahoma. Klarifi lists decision-maker contacts for this facility, available with a free trial.

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Coalgate Pwa

3 South Main, Coalgate, OK 74538 · Coal County · Publicly Owned Treatment Works

Average flow: 0.4 MGD

Design flow: 0.22 MGD

NPDES permit: OKG580028; Administratively continued

Permit expires: July 2026

Population served: 3,133; CWNS 2022

Coalgate Pwa is a publicly owned wastewater treatment plant in Coalgate, Coal County, Oklahoma treating an average of 0.4 million gallons per day against a permitted design capacity of 0.22 MGD, serving about 3,133 residents. It discharges under NPDES permit OKG580028 (administratively continued), which expires in July 2026, with 73 recorded violations in the last three years.

Treatment technology

One treatment structure or unit process identified at Coalgate Pwa.

Available with a free Klarifi account

See the full treatment train at Coalgate Pwa: structures, unit processes and planned upgrades, with exact unit counts.

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Compliance snapshot (last 3 years)

Total violations: 73

Effluent violations: 61

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

Key contacts

Decision-makers at Coalgate Pwa.

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Coalgate Pwa: 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 September 11, 2026.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Lift station · Sludge dewatering · all terms

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