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 | Mar 26, 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 (337)
This water system has 337 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 | - | Other | No | No | - | - | - | Resolved | Feb 6, 2026 | - | |
| Oct 1, 2025 | - | Other | No | No | - | - | - | Resolved | Feb 6, 2026 | - | |
| Aug 1, 2025 | Aug 31, 2025 | MON | No | Yes | - | - | - | Resolved | Aug 31, 2025 | - | |
| Aug 1, 2025 | Aug 31, 2025 | MON | No | Yes | - | - | - | Resolved | Aug 31, 2025 | - | |
| Aug 1, 2025 | Aug 31, 2025 | MON | No | Yes | - | - | - | Resolved | Aug 31, 2025 | - | |
| Jul 1, 2025 | - | Other | No | No | - | - | - | Resolved | Feb 6, 2026 | - | |
| Jul 1, 2025 | - | Other | No | No | - | - | - | Resolved | Feb 6, 2026 | - | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2025 | - | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2025 | - | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2025 | - | |
| Dec 30, 2024 | - | MR | No | No | - | TT | - | Resolved | Dec 9, 2025 | - | |
| Dec 30, 2024 | - | MR | No | No | - | TT | - | Resolved | Dec 9, 2025 | - | |
| Nov 6, 2024 | - | MR | No | Yes | - | - | - | Resolved | Jun 23, 2025 | - | |
| Nov 6, 2024 | - | MR | No | Yes | - | - | - | Resolved | Jun 23, 2025 | - | |
| Nov 6, 2024 | - | MR | No | Yes | - | - | - | Resolved | Jun 23, 2025 | - | |
| Nov 1, 2024 | Nov 30, 2024 | MON | No | No | - | - | - | Resolved | Nov 30, 2024 | - | |
| Nov 1, 2024 | Nov 30, 2024 | MON | No | No | - | - | - | Resolved | Nov 30, 2024 | - | |
| Nov 1, 2024 | Nov 30, 2024 | MON | No | No | - | - | - | Resolved | Nov 30, 2024 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.007 mg/L | - | Resolved | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.007 mg/L | - | Resolved | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.007 mg/L | - | Resolved | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.5 mg/L | - | Resolved | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.5 mg/L | - | Resolved | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.5 mg/L | - | Resolved | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.07 mg/L | - | Resolved | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.07 mg/L | - | Resolved | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.07 mg/L | - | Resolved | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.07 mg/L | - | Resolved | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.4 mg/L | - | Resolved | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.1 mg/L | - | Resolved | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.04 mg/L | - | Resolved | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.04 mg/L | - | Resolved | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.003 mg/L | - | Resolved | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.003 mg/L | - | Resolved | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.003 mg/L | - | Resolved | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.2 mg/L | - | Resolved | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.2 mg/L | - | Resolved | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.2 mg/L | - | Resolved | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.4 mg/L | - | Resolved | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.4 mg/L | - | Resolved | Dec 31, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2025 | MR | No | Yes | - | 0.2 mg/L | - | Resolved | Dec 31, 2025 | - |
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.