MONTANA STATE PRISON
Montana — Community Water System — PWSID: MT0000198
System Information
| PWSID | MT0000198 |
| System Name | MONTANA STATE PRISON |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | State |
| EPA Region | 08 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 13, 1979 |
| Last Reported | Jan 5, 2026 |
Location & Contact
| State | Montana |
| City | DEER LODGE |
| ZIP Code | 59722 |
| Address | MONTANA STATE PRISON |
| Organization | BEESON, MYRON E |
| Phone | 406-645-0652 |
Population & Service
| Population Served | 2,100 |
| Service Connections | 53 |
Drinking Water Violations (59)
This water system has 59 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, 2025 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Unaddressed | — | Consumer Confidence Rule |
| Aug 1, 2025 | Aug 31, 2025 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Aug 31, 2025 | Revised Total Coliform Rule |
| Aug 1, 2025 | Aug 31, 2025 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Aug 31, 2025 | Revised Total Coliform Rule |
| Aug 1, 2025 | Aug 31, 2025 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Aug 31, 2025 | Revised Total Coliform Rule |
| Jul 1, 2025 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Unaddressed | — | Consumer Confidence Rule |
| Dec 30, 2024 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 9, 2025 | Lead and Copper Rule |
| Dec 30, 2024 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 9, 2025 | Lead and Copper Rule |
| Nov 6, 2024 | — | E. COLI | MR | No | Yes | — | — | — | Resolved | Jun 23, 2025 | Ground Water Rule |
| Nov 6, 2024 | — | E. COLI | MR | No | Yes | — | — | — | Resolved | Jun 23, 2025 | Ground Water Rule |
| Nov 6, 2024 | — | E. COLI | MR | No | Yes | — | — | — | Resolved | Jun 23, 2025 | Ground Water Rule |
| Nov 1, 2024 | Nov 30, 2024 | Revised Total Coliform Rule | MON | No | No | — | — | — | Resolved | Nov 30, 2024 | Revised Total Coliform Rule |
| Nov 1, 2024 | Nov 30, 2024 | Revised Total Coliform Rule | MON | No | No | — | — | — | Resolved | Nov 30, 2024 | Revised Total Coliform Rule |
| Nov 1, 2024 | Nov 30, 2024 | Revised Total Coliform Rule | MON | No | No | — | — | — | Resolved | Nov 30, 2024 | Revised Total Coliform Rule |
| Dec 30, 2021 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jan 10, 2022 | Lead and Copper Rule |
| Dec 30, 2021 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jan 10, 2022 | Lead and Copper Rule |
| Jan 1, 2020 | Dec 31, 2022 | Asbestos | MR | No | Yes | — | 7 MFL | — | Archived | Dec 31, 2022 | Inorganic Chemicals |
| Jan 1, 2020 | Dec 31, 2022 | Asbestos | MR | No | Yes | — | 7 MFL | — | Archived | Dec 31, 2022 | Inorganic Chemicals |
| Jun 1, 2015 | Jun 30, 2015 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jun 30, 2015 | Total Coliform Rule |
| Jun 1, 2015 | Jun 30, 2015 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jun 30, 2015 | Total Coliform Rule |
| Jun 1, 2015 | Jun 30, 2015 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jun 30, 2015 | Total Coliform Rule |
| Jun 1, 2015 | Jun 30, 2015 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jun 30, 2015 | Total Coliform Rule |
| Jun 1, 2015 | Jun 30, 2015 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jun 30, 2015 | Total Coliform Rule |
| Jun 1, 2015 | Jun 30, 2015 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jun 30, 2015 | Total Coliform Rule |
| Jun 1, 2015 | Jun 30, 2015 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jun 30, 2015 | Total Coliform Rule |
| Sep 1, 2013 | Sep 30, 2013 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 2013 | Total Coliform Rule |
| Sep 1, 2013 | Sep 30, 2013 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 2013 | Total Coliform Rule |
| Sep 1, 2013 | Sep 30, 2013 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 2013 | Total Coliform Rule |
| Sep 1, 2013 | Sep 30, 2013 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 2013 | Total Coliform Rule |
| Sep 1, 2013 | Sep 30, 2013 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 30, 2013 | Total Coliform Rule |
| Nov 1, 2011 | Nov 30, 2011 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2011 | Total Coliform Rule |
| Nov 1, 2011 | Nov 30, 2011 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2011 | Total Coliform Rule |
| Nov 1, 2011 | Nov 30, 2011 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2011 | Total Coliform Rule |
| Jan 1, 2011 | Dec 31, 2013 | Asbestos | MR | No | Yes | — | 7 MFL | — | Resolved | Nov 20, 2013 | Inorganic Chemicals |
| Jan 1, 2011 | Dec 31, 2013 | Asbestos | MR | No | Yes | — | 7 MFL | — | Resolved | Nov 20, 2013 | Inorganic Chemicals |
| Jan 1, 2010 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Feb 11, 2011 | Lead and Copper Rule |
| Jan 1, 2010 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Feb 11, 2011 | Lead and Copper Rule |
| Jan 1, 2010 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Feb 11, 2011 | Lead and Copper Rule |
| Oct 1, 2004 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Sep 11, 2006 | Lead and Copper Rule |
| Oct 1, 2004 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Sep 11, 2006 | Lead and Copper Rule |
| Oct 1, 2004 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Sep 11, 2006 | Lead and Copper Rule |
| Jan 1, 2002 | Dec 31, 2010 | Asbestos | MR | No | Yes | — | 7 MFL | — | Archived | Dec 31, 2010 | Inorganic Chemicals |
| Sep 1, 2001 | Sep 30, 2001 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2001 | Total Coliform Rule |
| Sep 1, 2001 | Sep 30, 2001 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2001 | Total Coliform Rule |
| Sep 1, 2001 | Sep 30, 2001 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2001 | Total Coliform Rule |
| Sep 1, 2001 | Sep 30, 2001 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2001 | Total Coliform Rule |
| Sep 1, 2001 | Sep 30, 2001 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2001 | Total Coliform Rule |
| Jan 1, 1999 | Dec 31, 2001 | Arsenic | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Dec 31, 2001 | Arsenic Rule |
| Jan 1, 1999 | Dec 31, 2001 | Arsenic | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Dec 31, 2001 | Arsenic Rule |
| Jan 1, 1999 | Dec 31, 2001 | Arsenic | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Dec 31, 2001 | Arsenic Rule |
| Jan 1, 1999 | Dec 31, 2001 | Arsenic | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Dec 31, 2001 | Arsenic Rule |
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.