LIBBY DAM PROJECT
Montana — Non-Transient Non-Community — PWSID: MT0002582
System Information
| PWSID | MT0002582 |
| System Name | LIBBY DAM PROJECT |
| System Type | Non-Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Federal |
| EPA Region | 08 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Jan 27, 1983 |
| Last Reported | Jan 5, 2026 |
Location & Contact
| State | Montana |
| City | LIBBY |
| ZIP Code | 59923 |
| Address | 12877 MT HWY 37 |
| Organization | ROSLING, SAMUEL J |
| Phone | 406-293-7751 |
Population & Service
| Population Served | 95 |
| Service Connections | 5 |
Drinking Water Violations (28)
This water system has 28 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Dec 30, 2021 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Feb 5, 2022 | Lead and Copper Rule |
| Dec 30, 2021 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Feb 5, 2022 | Lead and Copper Rule |
| Oct 1, 2021 | Oct 31, 2021 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Oct 31, 2021 | Revised Total Coliform Rule |
| Oct 1, 2021 | Oct 31, 2021 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Oct 31, 2021 | Revised Total Coliform Rule |
| Oct 1, 2021 | Oct 31, 2021 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Oct 31, 2021 | Revised Total Coliform Rule |
| Jan 1, 2019 | Dec 31, 2019 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Dec 31, 2019 | Nitrate Rule |
| Jan 1, 2019 | Dec 31, 2019 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Dec 31, 2019 | Nitrate Rule |
| Jan 1, 2019 | Dec 31, 2019 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Dec 31, 2019 | Nitrate Rule |
| Jan 1, 2019 | Dec 31, 2019 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Dec 31, 2019 | Nitrate Rule |
| Dec 30, 2015 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Feb 1, 2016 | Lead and Copper Rule |
| Dec 30, 2015 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Feb 1, 2016 | Lead and Copper Rule |
| Jan 1, 2011 | Dec 31, 2013 | Asbestos | MR | No | Yes | — | 7 MFL | — | Resolved | Dec 31, 2013 | Inorganic Chemicals |
| Jan 1, 2011 | Dec 31, 2013 | Asbestos | MR | No | Yes | — | 7 MFL | — | Resolved | Dec 31, 2013 | Inorganic Chemicals |
| Jan 1, 2011 | Dec 31, 2013 | Asbestos | MR | No | Yes | — | 7 MFL | — | Resolved | Dec 31, 2013 | Inorganic Chemicals |
| Oct 1, 2004 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jul 24, 2006 | Lead and Copper Rule |
| Oct 1, 2004 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jul 24, 2006 | Lead and Copper Rule |
| Oct 1, 2004 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jul 24, 2006 | Lead and Copper Rule |
| Jan 1, 2001 | Dec 31, 2001 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Dec 31, 2001 | Nitrate Rule |
| Jan 1, 2001 | Dec 31, 2001 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Dec 31, 2001 | Nitrate Rule |
| Jan 1, 2001 | Dec 31, 2001 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Dec 31, 2001 | Nitrate Rule |
| Aug 1, 2000 | Aug 31, 2000 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2000 | Total Coliform Rule |
| Aug 1, 2000 | Aug 31, 2000 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2000 | Total Coliform Rule |
| Aug 1, 2000 | Aug 31, 2000 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2000 | Total Coliform Rule |
| Aug 1, 2000 | Aug 31, 2000 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2000 | Total Coliform Rule |
| Jul 1, 1993 | Jul 31, 1993 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 1993 | Total Coliform Rule |
| Jul 1, 1993 | Jul 31, 1993 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 1993 | Total Coliform Rule |
| Apr 1, 1992 | Jun 30, 1992 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 1992 | Total Coliform Rule |
| Apr 1, 1992 | Jun 30, 1992 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 1992 | 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.