Oakland Pwa
Oakland, OK · Marshall County · Publicly Owned Treatment Works
- Average flow
- 0.02 MGD
- Design flow
- 0.06 MGD
- NPDES permit
- OK0031933
- Effective
- Permit expires
- September 2028
- Population served
- 710
- CWNS 2022
Oakland Pwa is a publicly owned wastewater treatment plant in Oakland, Marshall County, Oklahoma treating an average of 0.02 million gallons per day against a permitted design capacity of 0.06 MGD, serving about 710 residents. Treatment on site includes uncovered lagoons. It discharges under NPDES permit OK0031933 (effective), which expires in September 2028, with 85 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
- 85
- Effluent violations
- 12
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Oakland Pwa.
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Nearby wastewater treatment plants in Oklahoma
Madill · 1 mi away
0.43 MGD
Kingston · 8 mi away
0.05 MGD
Tishomingo · 10 mi away
0.19 MGD
Ardmore · 19 mi away
2.42 MGD
Mill Creek · 20 mi away
0.0054 MGD
Ardmore · 22 mi away
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Calera · 23 mi away
0.3 MGD
Marietta · 24 mi away
0.15 MGD
Oakland 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 September 11, 2026; facility record last updated February 15, 2025.