El Reno Municipal Authority
El Reno, OK · Canadian County · Publicly Owned Treatment Works
- Average flow
- 1.46 MGD
- Design flow
- 2 MGD
- NPDES permit
- OK0100382
- Effective
- Permit expires
- September 2027
- Population served
- —
- CWNS 2022
El Reno Municipal Authority is a publicly owned wastewater treatment plant in El Reno, Canadian County, Oklahoma treating an average of 1.46 million gallons per day against a permitted design capacity of 2 MGD. Treatment on site includes uncovered lagoons. It discharges under NPDES permit OK0100382 (effective), which expires in September 2027, with 42 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
- 42
- Effluent violations
- 1
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at El Reno Municipal Authority.
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Tuttle · 18 mi away
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Oklahoma City · 22 mi away
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Kingfisher · 22 mi away
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Oklahoma City · 24 mi away
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El Reno Municipal Authority: 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 13, 2026.