MCALESTER, OK · Pittsburg County
US ARMY AMMUNITION PLANT Water System
Current status
No open violations on record as of July 4, 2026.
This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace Oklahoma’s official records. Always confirm current status with Oklahoma before making decisions based on this information.
System facts
- System ID (PWSID)
- OK1020605
- System type
- Community Water System
- Population served
- 1,872
- Service connections
- 298
- Ownership
- federal government
- Water source
- surface water (rivers, lakes, or reservoirs)
Violation history
Monitoring, Regular
—Glyphosate
October 1, 2024 – December 31, 2024
ResolvedMonitoring, Regular
—Atrazine
October 1, 2024 – December 31, 2024
ResolvedMaximum Contaminant Level Violation, Average
Health-basedTTHM
January 1, 2022 – March 31, 2022
ResolvedMonitoring and Reporting (DBP)
—CARBON, TOTAL
April 1, 2011 – June 30, 2011
ResolvedMaximum Contaminant Level Violation, Average
Health-basedTTHM
October 1, 2005 – December 31, 2005
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| October 1, 2024 – December 31, 2024 | Monitoring, Regular | Glyphosate | — | Resolved |
| October 1, 2024 – December 31, 2024 | Monitoring, Regular | Atrazine | — | Resolved |
| January 1, 2022 – March 31, 2022 | Maximum Contaminant Level Violation, Average | TTHM | Health-based | Resolved |
| April 1, 2011 – June 30, 2011 | Monitoring and Reporting (DBP) | CARBON, TOTAL | — | Resolved |
| October 1, 2005 – December 31, 2005 | Maximum Contaminant Level Violation, Average | TTHM | Health-based | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- August 29, 2022State Public Notification requested7 linked violations
- February 23, 2022State Administrative/Compliance Order without penalty issued4 linked violations
- July 26, 2016State Compliance achieved2 linked violations
- July 26, 2016State Compliance achieved3 linked violations
- July 26, 2016State Compliance achieved6 linked violations
- July 1, 2008State Compliance achieved7 linked violations
Contact
MCALESTER ARMY AMMUNITION PLANT
918-420-6259
MCALESTER, OK 74501-9002