Dewar WWTF
PO Box 7, Dewar, OK 74431 · Okmulgee County · Publicly Owned Treatment Works
- Average flow
- 0.05 MGD
- Design flow
- 0.13 MGD
- NPDES permit
- OK0027537
- Administratively continued
- Permit expires
- September 2026
- Population served
- 968
- CWNS 2022
Dewar WWTF is a publicly owned wastewater treatment works in Dewar, Okmulgee County, Oklahoma treating an average of 0.05 million gallons per day against a permitted design capacity of 0.13 MGD, serving about 968 residents. It discharges under NPDES permit OK0027537 (administratively continued), which expires in September 2026, with 29 recorded violations in the last three years.
Treatment technology
One treatment structure or unit process identified at Dewar WWTF.
Available with a free Klarifi account
See the full treatment train at Dewar WWTF: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 29
- Effluent violations
- 29
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Dewar WWTF.
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Nearby wastewater treatment plants in Oklahoma
Okmulgee · 10 mi away
3.16 MGD
Morris · 11 mi away
0.08 MGD
Weleetka · 14 mi away
0.1 MGD
Dustin · 15 mi away
—
Okemah · 19 mi away
0.41 MGD
Boynton · 21 mi away
—
Checotah · 25 mi away
0.41 MGD
Eufaula · 25 mi away
0.44 MGD
Dewar WWTF: 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 October 26, 2026; facility record last updated August 13, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Anaerobic digester · Lift station · all terms