Mcalester East WWTP
PO Box 578, Mcalester, OK 74502 · Pittsburg County · Publicly Owned Treatment Works
- Average flow
- 1.03 MGD
- Design flow
- 2 MGD
- NPDES permit
- OK0026107
- Effective
- Permit expires
- December 2026
- Population served
- 9,370
- CWNS 2022
Mcalester East WWTP is a publicly owned wastewater treatment works in Mcalester, Pittsburg County, Oklahoma treating an average of 1.03 million gallons per day against a permitted design capacity of 2 MGD, serving about 9,370 residents. It discharges under NPDES permit OK0026107 (effective), which expires in December 2026, with 50 recorded violations in the last three years.
Treatment technology
2 treatment structures and unit processes identified at Mcalester East WWTP.
Available with a free Klarifi account
See the full treatment train at Mcalester East WWTP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 50
- Effluent violations
- 7
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
2 verified contacts for Mcalester East WWTP, with validated emails and direct phone numbers.
Unlock 2 verified contacts
Names, validated emails and direct phone numbers for decision-makers at Mcalester East WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Oklahoma
Krebs · 3 mi away
0.26 MGD
Mcalester · 3 mi away
1.45 MGD
Haileyville · 11 mi away
0.14 MGD
Hartshorne · 13 mi away
0.04 MGD
Crowder · 13 mi away
0.05 MGD
Canadian · 16 mi away
0.02 MGD
Pittsburg · 17 mi away
0.0017 MGD
Stuart · 20 mi away
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Mcalester East WWTP: 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 September 14, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Activated sludge · Oxidation ditch · all terms