STILLWATER MINING COMPANY
Montana — Non-Transient Non-Community — PWSID: MT0003587
System Information
| PWSID | MT0003587 |
| System Name | STILLWATER MINING COMPANY |
| System Type | Non-Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 08 |
| Serves School | No |
| Wholesaler | No |
| First Reported | May 8, 1992 |
| Last Reported | Jan 5, 2026 |
Location & Contact
| State | Montana |
| City | NYE |
| ZIP Code | 59061 |
| Address | STILLWATER MINE |
| Organization | GILBERT, NATHAN C |
| Phone | 406-328-8526 |
Population & Service
| Population Served | 630 |
| Service Connections | 8 |
Drinking Water Violations (53)
This water system has 53 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 1, 2023 | Jul 31, 2023 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Jul 31, 2023 | Revised Total Coliform Rule |
| Jul 1, 2023 | Jul 31, 2023 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Jul 31, 2023 | Revised Total Coliform Rule |
| Jul 1, 2023 | Jul 31, 2023 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Jul 31, 2023 | Revised Total Coliform Rule |
| Oct 1, 2019 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Sep 24, 2020 | Lead and Copper Rule |
| Oct 1, 2019 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Sep 24, 2020 | Lead and Copper Rule |
| Oct 1, 2019 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Sep 24, 2020 | Lead and Copper Rule |
| Oct 1, 2015 | Oct 31, 2015 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2015 | Total Coliform Rule |
| Oct 1, 2015 | Oct 31, 2015 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2015 | Total Coliform Rule |
| Oct 1, 2015 | Oct 31, 2015 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2015 | Total Coliform Rule |
| Jan 1, 2014 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Feb 3, 2014 | Lead and Copper Rule |
| Jan 1, 2014 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Feb 3, 2014 | Lead and Copper Rule |
| Sep 1, 2012 | Sep 30, 2012 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 26, 2012 | Total Coliform Rule |
| Sep 1, 2012 | Sep 30, 2012 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 26, 2012 | Total Coliform Rule |
| Sep 1, 2012 | Sep 30, 2012 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 26, 2012 | Total Coliform Rule |
| Sep 1, 2012 | Sep 30, 2012 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 26, 2012 | Total Coliform Rule |
| Sep 1, 2012 | Sep 30, 2012 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Sep 26, 2012 | Total Coliform Rule |
| Nov 1, 2007 | Nov 30, 2007 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2007 | Total Coliform Rule |
| Nov 1, 2007 | Nov 30, 2007 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2007 | Total Coliform Rule |
| Nov 1, 2007 | Nov 30, 2007 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2007 | Total Coliform Rule |
| Nov 1, 2007 | Nov 30, 2007 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2007 | Total Coliform Rule |
| Jan 1, 2007 | Dec 31, 2007 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Dec 31, 2007 | Nitrate Rule |
| Jan 1, 2007 | Dec 31, 2007 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Dec 31, 2007 | Nitrate Rule |
| Jan 1, 2007 | Dec 31, 2007 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Dec 31, 2007 | Nitrate Rule |
| Jan 1, 2007 | Dec 31, 2007 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Dec 31, 2007 | Nitrate Rule |
| Jan 1, 2007 | Dec 31, 2007 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Dec 31, 2007 | Nitrate Rule |
| Jan 1, 2007 | Dec 31, 2007 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Dec 31, 2007 | Nitrate Rule |
| Jan 1, 2005 | Dec 31, 2005 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Dec 31, 2005 | Nitrate Rule |
| Jan 1, 2005 | Dec 31, 2005 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Dec 31, 2005 | Nitrate Rule |
| Jan 1, 2005 | Dec 31, 2007 | Fluoride | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2007 | Inorganic Chemicals |
| Jan 1, 2005 | Dec 31, 2007 | Fluoride | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2007 | Inorganic Chemicals |
| Jan 1, 2005 | Dec 31, 2007 | Fluoride | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2007 | Inorganic Chemicals |
| Jan 1, 2005 | Dec 31, 2007 | Fluoride | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2007 | Inorganic Chemicals |
| Jan 1, 2005 | Dec 31, 2005 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Dec 31, 2005 | Nitrate Rule |
| Jan 1, 2005 | Dec 31, 2005 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Dec 31, 2005 | Nitrate Rule |
| Jan 1, 2005 | Dec 31, 2007 | Fluoride | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2007 | Inorganic Chemicals |
| Jan 1, 2005 | Dec 31, 2007 | Fluoride | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2007 | Inorganic Chemicals |
| Jan 1, 2005 | Dec 31, 2007 | Fluoride | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2007 | Inorganic Chemicals |
| Jan 1, 2005 | Dec 31, 2007 | Fluoride | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Dec 31, 2007 | Inorganic Chemicals |
| Jan 1, 2005 | Dec 31, 2005 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Dec 31, 2005 | Nitrate Rule |
| Jan 1, 2005 | Dec 31, 2005 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Dec 31, 2005 | Nitrate Rule |
| Oct 1, 2004 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Sep 28, 2007 | Lead and Copper Rule |
| Oct 1, 2004 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Sep 28, 2007 | Lead and Copper Rule |
| Oct 1, 2004 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Sep 28, 2007 | Lead and Copper Rule |
| Jan 1, 2003 | Jan 31, 2003 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jan 31, 2003 | Total Coliform Rule |
| Jan 1, 2003 | Jan 31, 2003 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jan 31, 2003 | Total Coliform Rule |
| Jan 1, 2003 | Jan 31, 2003 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jan 31, 2003 | Total Coliform Rule |
| Jan 1, 2003 | Jan 31, 2003 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jan 31, 2003 | Total Coliform Rule |
| Mar 1, 1996 | Mar 31, 1996 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 1996 | Total Coliform Rule |
| Mar 1, 1996 | Mar 31, 1996 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 1996 | Total Coliform Rule |
| Apr 1, 1994 | Apr 30, 1994 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 1994 | Total Coliform 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.