Seminole Co. Rw & Swmd #3
Cromwell, OK · Seminole County · Publicly Owned Treatment Works
- Average flow
- 0.004 MGD
- Design flow
- 0.03 MGD
- NPDES permit
- OK0026972
- Effective
- Permit expires
- March 2031
- Population served
- 279
- CWNS 2022
Seminole Co. Rw & Swmd #3 is a publicly owned wastewater treatment plant in Cromwell, Seminole County, Oklahoma treating an average of 0.004 million gallons per day against a permitted design capacity of 0.03 MGD, serving about 279 residents. It discharges under NPDES permit OK0026972 (effective), which expires in March 2031, with 0 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Treatment structure data not yet analyzed for this facility.
Compliance snapshot (last 3 years)
- Total violations
- 0
- Effluent violations
- 0
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Seminole Co. Rw & Swmd #3.
No verified contacts on file yet
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Nearby wastewater treatment plants in Oklahoma
Okemah · 11 mi away
0.36 MGD
Wewoka · 13 mi away
0.35 MGD
Seminole · 14 mi away
0.93 MGD
Prague · 16 mi away
0.14 MGD
Weleetka · 18 mi away
0.04 MGD
Earlsboro · 20 mi away
—
Holdenville · 20 mi away
0.46 MGD
Maud · 24 mi away
0.06 MGD
Seminole Co. Rw & Swmd #3: 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 July 18, 2023.