Wister, City Of
PO Box 370, Wister, OK 74966 · Le Flore County · Publicly Owned Treatment Works
- Average flow
- 0.04 MGD
- Design flow
- 0.15 MGD
- NPDES permit
- OK0034118
- Effective
- Permit expires
- November 2026
- Population served
- 1,056
- CWNS 2022
Wister, City Of is a publicly owned wastewater treatment plant in Wister, Le Flore County, Oklahoma treating an average of 0.04 million gallons per day against a permitted design capacity of 0.15 MGD, serving about 1,056 residents. It discharges under NPDES permit OK0034118 (effective), which expires in November 2026, with 4 recorded violations in the last three years.
Treatment technology
2 treatment structures and unit processes identified at Wister, City Of.
Available with a free Klarifi account
See the full treatment train at Wister, City Of: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 4
- Effluent violations
- 2
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Wister, City Of.
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Nearby wastewater treatment plants in Oklahoma
Leflore · 5 mi away
0.03 MGD
Heavener · 9 mi away
0.51 MGD
Poteau · 9 mi away
1.7 MGD
Shady Point · 12 mi away
0.03 MGD
Panama · 14 mi away
0.38 MGD
Cameron · 15 mi away
0.03 MGD
Hodgen · 15 mi away
0.12 MGD
Bokoshe · 16 mi away
0.0014 MGD
Wister, City 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 October 26, 2026; facility record last updated August 5, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Significant industrial user · WWTP · all terms