How much wastewater does Guymon City Of treat?

Guymon City Of treats an average of 1.06 MGD and is permitted for a design flow of 3 MGD.

What treatment technology does Guymon City Of use?

Klarifi has identified clarifiers, covered lagoons, uncovered lagoons at the Guymon facility.

What is the NPDES permit for Guymon City Of?

The facility discharges under NPDES permit OK0045713, currently effective, expiring March 2027.

Is Guymon City Of in compliance?

Discharge monitoring reports show 22 violations at Guymon City Of in the last three years, 4 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates Guymon City Of and how do I contact them?

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

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Guymon City Of

Guymon, OK · Texas County · Publicly Owned Treatment Works

Average flow: 1.06 MGD

Design flow: 3 MGD

NPDES permit: OK0045713; Effective

Permit expires: March 2027

Population served: 18,750; CWNS 2022

Guymon City Of is a publicly owned wastewater treatment plant in Guymon, Texas County, Oklahoma treating an average of 1.06 million gallons per day against a permitted design capacity of 3 MGD, serving about 18,750 residents. Treatment on site includes clarifiers, covered lagoons, uncovered lagoons. It discharges under NPDES permit OK0045713 (effective), which expires in March 2027, with 22 recorded violations in the last three years.

Treatment technology

Treatment structures identified at this facility. Exact unit counts are available in Klarifi.

Clarifiers

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Covered lagoons

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Uncovered lagoons

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Compliance snapshot (last 3 years)

Total violations: 22

Effluent violations: 4

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

Key contacts

Decision-makers at Guymon City Of.

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Nearby wastewater treatment plants in Oklahoma

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Elk City, City Of

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Foss Reservoir M.C.D.

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Clinton, City Of

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Thomas Wwt

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Cordell, City Of

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Weatherford Public Works Authority

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Guymon 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 August 19, 2026.

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