MCALESTER, OK · Pittsburg County
US ARMY AMMUNITION PLANT Water System
Consumer Confidence Report status
US ARMY AMMUNITION PLANT must publish a Consumer Confidence Report — the annual drinking water quality report covering calendar year 2026 — by July 1, 2027.
As of August 1, 2026, EPA's federal records show no open violations for US ARMY AMMUNITION PLANT.
Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed August 1, 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)
US ARMY AMMUNITION PLANT is one of 511 community water systems in Oklahoma in the 501 to 3,300 people size category, serving 1,872 people from surface water.
As of August 1, 2026, its federal record holds 5 entries between 1999 and 2024, all of which EPA lists as closed.
Of the 5, 4 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves the Stage 1 Disinfectants and Disinfection Byproducts Rule, synthetic organic chemicals, and the Stage 2 Disinfectants and Disinfection Byproducts Rule.
Violation history
Monitoring, 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
ResolvedMonitoring and Reporting (DBP)
—CARBON, TOTAL
January 1, 2004 – March 31, 2004
ResolvedMonitoring of Treatment (SWTR-Filter)
—Surface Water Treatment Rule
March 1, 1999 – March 31, 1999
Resolved
Resolved addressed and confirmed by the state
| Period | Violation | Contaminant / rule | Health-based | Status |
|---|---|---|---|---|
| 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 |
| January 1, 2004 – March 31, 2004 | Monitoring and Reporting (DBP) | CARBON, TOTAL | — | Resolved |
| March 1, 1999 – March 31, 1999 | Monitoring of Treatment (SWTR-Filter) | Surface Water Treatment Rule | — | Resolved |
Resolved addressed and confirmed by the state
Enforcement actions
- March 6, 2025State Public Notification requested12 linked violations
- August 29, 2022State Public Notification requested7 linked violations
- July 26, 2016State Compliance achieved5 linked violations
- July 26, 2016State Compliance achieved2 linked violations
- July 26, 2016State Compliance achieved2 linked violations
- September 7, 2011State Violation/Reminder Notice4 linked violations
- January 11, 2011State Public Notification requested5 linked violations
- August 7, 2008State Public Notification requested6 linked violations
Common questions
Is US ARMY AMMUNITION PLANT required to publish a Consumer Confidence Report?
- Yes. US ARMY AMMUNITION PLANT is a community water system, and federal rules (40 CFR 141 Subpart O) require every community water system to publish a Consumer Confidence Report each year.
When is US ARMY AMMUNITION PLANT’s next Consumer Confidence Report due?
- US ARMY AMMUNITION PLANT’s next Consumer Confidence Report is due by July 1, 2027. The report covers calendar year 2026.
Does US ARMY AMMUNITION PLANT have any open drinking water violations on record?
- As of August 1, 2026, EPA's federal records show no open violations for US ARMY AMMUNITION PLANT.
What is a Consumer Confidence Report?
- A Consumer Confidence Report (CCR) is the annual drinking water quality report that community water systems must provide to the people they serve. It lists the contaminants detected in the system’s water during the year, where the water comes from, and how the results compare with federal limits. EPA’s revised CCR rule takes effect January 1, 2027, and the first reports in the new format are due July 1, 2027.
Contact
MCALESTER ARMY AMMUNITION PLANT
918-420-6259
MCALESTER, OK 74501-9002