Mill Creek, Town Of
Mill Creek, OK · Johnston County · Publicly Owned Treatment Works
- Average flow
- 0.0054 MGD
- Design flow
- 0.07 MGD
- NPDES permit
- OKG580014
- Administratively continued
- Permit expires
- July 2026
- Population served
- 358
- CWNS 2022
Mill Creek, Town Of is a publicly owned wastewater treatment plant in Mill Creek, Johnston County, Oklahoma treating an average of 0.0054 million gallons per day against a permitted design capacity of 0.07 MGD, serving about 358 residents. Treatment on site includes uncovered lagoons. It discharges under NPDES permit OKG580014 (administratively continued), which expires in July 2026, 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
- 6
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
1 verified contact for Mill Creek, Town Of, with validated emails and direct phone numbers.
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Names, validated emails and direct phone numbers for decision-makers at Mill Creek, Town Of, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Oklahoma
Sulphur · 12 mi away
0.58 MGD
Tishomingo · 14 mi away
0.19 MGD
Davis · 18 mi away
0.38 MGD
Ardmore · 20 mi away
2.42 MGD
Oakland · 20 mi away
0.02 MGD
Madill · 20 mi away
0.43 MGD
Ardmore · 22 mi away
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Wapanucka · 23 mi away
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Mill Creek, Town 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 November 5, 2025.