3M NE Of Town Off Hwy 54, Guymon, OK 73942 · Texas County · Publicly Owned Treatment Works
Guymon City Of is a publicly owned wastewater treatment plant in Guymon, Texas County, Oklahoma treating an average of 0.96 million gallons per day against a permitted design capacity of 3 MGD, serving about 18,750 residents. It discharges under NPDES permit OK0045713 (effective), which expires in March 2027, with 21 recorded violations in the last three years. EPA has recorded 1 formal enforcement action naming the plant, the latest in June 1986.
3 treatment structures and unit processes identified at Guymon City Of.
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See the full treatment train at Guymon City Of: structures, unit processes and planned upgrades, with exact unit counts.
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Federal civil enforcement cases, compliance inspections and informal actions recorded for Guymon City Of in EPA's ICIS system.
Latest case · Jun 1986
GUYMON, CITY OF
Judicial case · CWA, Clean Water Act · Final Order With Penalty · Penalty $15,000
Source: EPA ECHO, civil enforcement case 06-1983-0022.
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Every action against Guymon City Of with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Decision-makers at Guymon City Of.
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Woodward · 117 mi away
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Erick · 137 mi away
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Elk City · 149 mi away
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Foss · 150 mi away
1.69 MGD
Clinton · 164 mi away
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Thomas · 166 mi away
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Cordell · 170 mi away
0.0041 MGD
Weatherford · 174 mi away
1.11 MGD
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 August 19, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Biological nutrient removal · Tertiary treatment · all terms