Public Water Partners

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

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    TTHM

    January 1, 2022 – March 31, 2022

    Resolved
  • Monitoring and Reporting (DBP)

    CARBON, TOTAL

    April 1, 2011 – June 30, 2011

    Resolved
  • Monitoring and Reporting (DBP)

    CARBON, TOTAL

    January 1, 2004 – March 31, 2004

    Resolved
  • Monitoring of Treatment (SWTR-Filter)

    Surface Water Treatment Rule

    March 1, 1999 – March 31, 1999

    Resolved

Resolved addressed and confirmed by the state

Enforcement actions

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