MISSION DAM WATER SYSTEM
Montana — Community Water System — PWSID: 083090029
System Information
| PWSID | 083090029 |
| System Name | MISSION DAM WATER SYSTEM |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Native American |
| EPA Region | 08 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 4, 1980 |
| Last Reported | Nov 17, 2025 |
Location & Contact
| State | Montana |
| City | PABLO |
| ZIP Code | 59855 |
| Address | Salish and Kootenai Housing Authority |
| Organization | PHILLIPS, REBECCA |
| Phone | 406-675-4491 |
Population & Service
| Population Served | 87 |
| Service Connections | 39 |
Drinking Water Violations (34)
This water system has 34 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jun 1, 2024 | Jun 30, 2024 | Chlorine | MR | No | No | — | 4.0 mg/L | — | Resolved | Jun 30, 2024 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Oct 1, 2023 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 27, 2023 | Lead and Copper Rule |
| Apr 1, 2015 | Apr 30, 2015 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Apr 30, 2015 | Total Coliform Rule |
| Apr 1, 2015 | Apr 30, 2015 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Apr 30, 2015 | Total Coliform Rule |
| Jan 1, 2015 | Jan 31, 2015 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jan 31, 2015 | Total Coliform Rule |
| Jan 1, 2015 | Jan 31, 2015 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jan 31, 2015 | Total Coliform Rule |
| Aug 1, 2014 | Aug 31, 2014 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2014 | Total Coliform Rule |
| Aug 1, 2014 | Aug 31, 2014 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2014 | Total Coliform Rule |
| Jul 1, 2014 | Jul 31, 2014 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 31, 2014 | Total Coliform Rule |
| Jul 1, 2014 | Jul 31, 2014 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jul 31, 2014 | Total Coliform Rule |
| Jan 1, 2014 | Dec 31, 2016 | Nickel | MR | No | Yes | — | — | — | Resolved | Dec 31, 2016 | Inorganic Chemicals |
| Jan 1, 2014 | Dec 31, 2016 | CYANIDE | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Dec 31, 2016 | Inorganic Chemicals |
| Jan 1, 2014 | Dec 31, 2016 | Thallium, Total | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 31, 2016 | Inorganic Chemicals |
| Jan 1, 2014 | Dec 31, 2016 | Cadmium | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2016 | Inorganic Chemicals |
| Jan 1, 2014 | Dec 31, 2016 | Arsenic | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Dec 31, 2016 | Arsenic Rule |
| Jan 1, 2014 | Dec 31, 2016 | Mercury | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 31, 2016 | Inorganic Chemicals |
| Jan 1, 2014 | Dec 31, 2016 | Antimony, Total | MR | No | Yes | — | 0.006 mg/L | — | Resolved | Dec 31, 2016 | Inorganic Chemicals |
| Jan 1, 2014 | Dec 31, 2016 | Chromium | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2016 | Inorganic Chemicals |
| Jan 1, 2014 | Dec 31, 2016 | Beryllium, Total | MR | No | Yes | — | 0.004 mg/L | — | Resolved | Dec 31, 2016 | Inorganic Chemicals |
| Jan 1, 2014 | Dec 31, 2016 | Selenium | MR | No | Yes | — | 0.05 mg/L | — | Resolved | Dec 31, 2016 | Inorganic Chemicals |
| Jan 1, 2014 | Dec 31, 2016 | Barium | MR | No | Yes | — | 2 mg/L | — | Resolved | Dec 31, 2016 | Inorganic Chemicals |
| Dec 1, 2005 | Dec 31, 2005 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Dec 31, 2005 | Total Coliform Rule |
| Dec 1, 2005 | Dec 31, 2005 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Dec 31, 2005 | Total Coliform Rule |
| Nov 1, 2003 | Nov 30, 2003 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Nov 30, 2003 | Total Coliform Rule |
| Nov 1, 2003 | Nov 30, 2003 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Nov 30, 2003 | Total Coliform Rule |
| Nov 1, 2003 | Nov 30, 2003 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Nov 30, 2003 | Total Coliform Rule |
| Mar 1, 2003 | Mar 31, 2003 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Mar 31, 2003 | Total Coliform Rule |
| Mar 1, 2003 | Mar 31, 2003 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | Mar 31, 2003 | Total Coliform Rule |
| Oct 1, 2002 | Oct 31, 2002 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 2002 | Total Coliform Rule |
| Oct 1, 2002 | Oct 31, 2002 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 2002 | Total Coliform Rule |
| Oct 1, 2002 | Oct 31, 2002 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Oct 31, 2002 | Total Coliform Rule |
| May 1, 2002 | May 31, 2002 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Archived | May 31, 2002 | Total Coliform Rule |
| Sep 1, 2001 | Sep 30, 2001 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Sep 30, 2001 | Total Coliform Rule |
| Jun 1, 1976 | May 31, 1980 | Gross Alpha, Excl. Radon and U | MR | No | No | — | 15 pCi/L | — | Archived | May 31, 1980 | Radionuclides and Revised Rad 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.