US ARMY AMMUNITION PLANT
Oklahoma — Community Water System — PWSID: OK1020605
System Information
| PWSID | OK1020605 |
| System Name | US ARMY AMMUNITION PLANT |
| System Type | Community Water System |
| Water Source | Surface Water |
| Activity Status | Active |
| Owner Type | Federal |
| EPA Region | 06 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 11, 1980 |
| Last Reported | Feb 18, 2026 |
Location & Contact
| State | Oklahoma |
| City | MCALESTER |
| ZIP Code | 74501-9002 |
| Address | Zacharias Duffy, Water Program Manager |
| Organization | MCALESTER ARMY AMMUNITION PLANT |
| Phone | 918-420-6259 |
Population & Service
| Population Served | 1,872 |
| Service Connections | 298 |
Drinking Water Violations (97)
This water system has 97 violations recorded in the EPA SDWIS database.
| Begin Date | End Date | Contaminant | Category | Health-Based | Major | Measured | Federal MCL | State MCL | Status | Return to Compliance | Rule |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 1, 2024 | Dec 31, 2024 | MR | No | Yes | — | 0.003 mg/L | — | Resolved | Dec 31, 2024 | — | |
| Oct 1, 2024 | Dec 31, 2024 | MR | No | Yes | — | 0.003 mg/L | — | Resolved | Dec 31, 2024 | — | |
| Oct 1, 2024 | Dec 31, 2024 | MR | No | Yes | — | 0.003 mg/L | — | Resolved | Dec 31, 2024 | — | |
| Oct 1, 2024 | Dec 31, 2024 | MR | No | Yes | — | 0.7 mg/L | — | Resolved | Dec 31, 2024 | — | |
| Oct 1, 2024 | Dec 31, 2024 | MR | No | Yes | — | 0.7 mg/L | — | Resolved | Dec 31, 2024 | — | |
| Oct 1, 2024 | Dec 31, 2024 | MR | No | Yes | — | 0.7 mg/L | — | Resolved | Dec 31, 2024 | — | |
| Jun 1, 2024 | Jun 30, 2024 | MON | No | No | — | — | — | Resolved | Jun 30, 2024 | — | |
| Jun 1, 2024 | Jun 30, 2024 | MON | No | No | — | — | — | Resolved | Jun 30, 2024 | — | |
| Jun 1, 2024 | Jun 30, 2024 | MON | No | No | — | — | — | Resolved | Jun 30, 2024 | — | |
| Apr 1, 2022 | Jun 30, 2022 | MCL | Yes | No | .086 MG/L | 0.080 mg/L | .08 | Resolved | Jun 30, 2022 | — | |
| Apr 1, 2022 | Jun 30, 2022 | MCL | Yes | No | .086 MG/L | 0.080 mg/L | .08 | Resolved | Jun 30, 2022 | — | |
| Apr 1, 2022 | Jun 30, 2022 | MCL | Yes | No | .086 MG/L | 0.080 mg/L | .08 | Resolved | Jun 30, 2022 | — | |
| Apr 1, 2022 | Jun 30, 2022 | MCL | Yes | No | .086 MG/L | 0.080 mg/L | .08 | Resolved | Jun 30, 2022 | — | |
| Jan 1, 2022 | Mar 31, 2022 | MCL | Yes | No | .087 MG/L | 0.080 mg/L | .08 | Resolved | Mar 31, 2022 | — | |
| Jan 1, 2022 | Mar 31, 2022 | MCL | Yes | No | .087 MG/L | 0.080 mg/L | .08 | Resolved | Mar 31, 2022 | — | |
| Jan 1, 2022 | Mar 31, 2022 | MCL | Yes | No | .087 MG/L | 0.080 mg/L | .08 | Resolved | Mar 31, 2022 | — | |
| Jan 1, 2022 | Mar 31, 2022 | MCL | Yes | No | .087 MG/L | 0.080 mg/L | .08 | Resolved | Mar 31, 2022 | — | |
| Oct 1, 2021 | Dec 31, 2021 | MCL | Yes | No | .081 MG/L | 0.080 mg/L | .08 | Resolved | Dec 31, 2021 | — | |
| Oct 1, 2021 | Dec 31, 2021 | MCL | Yes | No | .081 MG/L | 0.080 mg/L | .08 | Resolved | Dec 31, 2021 | — | |
| Oct 1, 2021 | Dec 31, 2021 | MCL | Yes | No | .081 MG/L | 0.080 mg/L | .08 | Resolved | Dec 31, 2021 | — | |
| Oct 1, 2021 | Dec 31, 2021 | MCL | Yes | No | .081 MG/L | 0.080 mg/L | .08 | Resolved | Dec 31, 2021 | — | |
| Apr 1, 2011 | Jun 30, 2011 | MR | No | Yes | — | TT | — | Resolved | Jun 30, 2011 | — | |
| Apr 1, 2011 | Jun 30, 2011 | MR | No | Yes | — | TT | — | Resolved | Jun 30, 2011 | — | |
| Apr 1, 2011 | Jun 30, 2011 | MR | No | Yes | — | TT | — | Resolved | Jun 30, 2011 | — | |
| Apr 1, 2011 | Jun 30, 2011 | MR | No | Yes | — | TT | — | Resolved | Jun 30, 2011 | — | |
| Oct 1, 2010 | Oct 31, 2010 | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2010 | — | |
| Oct 1, 2010 | Oct 31, 2010 | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2010 | — | |
| Oct 1, 2010 | Oct 31, 2010 | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2010 | — | |
| Jun 1, 2008 | Jun 30, 2008 | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2008 | — | |
| Jun 1, 2008 | Jun 30, 2008 | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2008 | — | |
| Jun 1, 2008 | Jun 30, 2008 | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2008 | — | |
| Jun 1, 2008 | Jun 30, 2008 | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2008 | — | |
| Jun 1, 2008 | Jun 30, 2008 | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2008 | — | |
| Jun 1, 2008 | Jun 30, 2008 | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2008 | — | |
| Apr 1, 2006 | Jun 30, 2006 | MCL | Yes | No | .087 MG/L | 0.080 mg/L | .08 | Resolved | Jun 30, 2006 | — | |
| Apr 1, 2006 | Jun 30, 2006 | MCL | Yes | No | .087 MG/L | 0.080 mg/L | .08 | Resolved | Jun 30, 2006 | — | |
| Apr 1, 2006 | Jun 30, 2006 | MCL | Yes | No | .087 MG/L | 0.080 mg/L | .08 | Resolved | Jun 30, 2006 | — | |
| Apr 1, 2006 | Jun 30, 2006 | MCL | Yes | No | .087 MG/L | 0.080 mg/L | .08 | Resolved | Jun 30, 2006 | — | |
| Jan 1, 2006 | Mar 31, 2006 | MCL | Yes | No | .138 MG/L | 0.080 mg/L | .08 | Resolved | Mar 31, 2006 | — | |
| Jan 1, 2006 | Mar 31, 2006 | MCL | Yes | No | .138 MG/L | 0.080 mg/L | .08 | Resolved | Mar 31, 2006 | — | |
| Jan 1, 2006 | Mar 31, 2006 | MCL | Yes | No | .138 MG/L | 0.080 mg/L | .08 | Resolved | Mar 31, 2006 | — | |
| Jan 1, 2006 | Mar 31, 2006 | MCL | Yes | No | .138 MG/L | 0.080 mg/L | .08 | Resolved | Mar 31, 2006 | — | |
| Oct 1, 2005 | Dec 31, 2005 | MCL | Yes | No | .168 | 0.080 mg/L | .08 | Resolved | Dec 31, 2005 | — | |
| Oct 1, 2005 | Dec 31, 2005 | MCL | Yes | No | .168 | 0.080 mg/L | .08 | Resolved | Dec 31, 2005 | — | |
| Oct 1, 2005 | Dec 31, 2005 | MCL | Yes | No | .168 | 0.080 mg/L | .08 | Resolved | Dec 31, 2005 | — | |
| Oct 1, 2005 | Dec 31, 2005 | MCL | Yes | No | .168 | 0.080 mg/L | .08 | Resolved | Dec 31, 2005 | — | |
| Jul 1, 2005 | Sep 30, 2005 | MCL | Yes | No | .167 | 0.080 mg/L | .08 | Resolved | Sep 30, 2005 | — | |
| Jul 1, 2005 | Sep 30, 2005 | MCL | Yes | No | .167 | 0.080 mg/L | .08 | Resolved | Sep 30, 2005 | — | |
| Jul 1, 2005 | Sep 30, 2005 | MCL | Yes | No | .167 | 0.080 mg/L | .08 | Resolved | Sep 30, 2005 | — | |
| Jul 1, 2005 | Sep 30, 2005 | MCL | Yes | No | .167 | 0.080 mg/L | .08 | Resolved | Sep 30, 2005 | — |
About This Water System
Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.