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 | Mar 26, 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 (29)
This water system has 29 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 | — | MR | No | No | — | TT | — | Resolved | Feb 5, 2022 | — | |
| Dec 30, 2021 | — | MR | No | No | — | TT | — | Resolved | Feb 5, 2022 | — | |
| Oct 1, 2021 | Oct 31, 2021 | MON | No | Yes | — | — | — | Resolved | Oct 31, 2021 | — | |
| Oct 1, 2021 | Oct 31, 2021 | MON | No | Yes | — | — | — | Resolved | Oct 31, 2021 | — | |
| Oct 1, 2021 | Oct 31, 2021 | MON | No | Yes | — | — | — | Resolved | Oct 31, 2021 | — | |
| Jan 1, 2019 | Dec 31, 2019 | MR | No | Yes | — | — | — | Resolved | Dec 31, 2019 | — | |
| Jan 1, 2019 | Dec 31, 2019 | MR | No | Yes | — | — | — | Resolved | Dec 31, 2019 | — | |
| Jan 1, 2019 | Dec 31, 2019 | MR | No | Yes | — | — | — | Resolved | Dec 31, 2019 | — | |
| Jan 1, 2019 | Dec 31, 2019 | MR | No | Yes | — | — | — | Resolved | Dec 31, 2019 | — | |
| Dec 30, 2015 | — | MR | No | No | — | TT | — | Resolved | Feb 1, 2016 | — | |
| Dec 30, 2015 | — | MR | No | No | — | TT | — | Resolved | Feb 1, 2016 | — | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | — | 7 MFL | — | Resolved | Dec 31, 2013 | — | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | — | 7 MFL | — | Resolved | Dec 31, 2013 | — | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | — | 7 MFL | — | Resolved | Dec 31, 2013 | — | |
| Oct 1, 2004 | — | MR | No | No | — | TT | — | Resolved | Jul 24, 2006 | — | |
| Oct 1, 2004 | — | MR | No | No | — | TT | — | Resolved | Jul 24, 2006 | — | |
| Oct 1, 2004 | — | MR | No | No | — | TT | — | Resolved | Jul 24, 2006 | — | |
| Jan 1, 2001 | Dec 31, 2001 | MR | No | Yes | — | — | — | Resolved | Dec 31, 2001 | — | |
| Jan 1, 2001 | Dec 31, 2001 | MR | No | Yes | — | — | — | Resolved | Dec 31, 2001 | — | |
| Jan 1, 2001 | Dec 31, 2001 | MR | No | Yes | — | — | — | Resolved | Dec 31, 2001 | — | |
| Aug 1, 2000 | Aug 31, 2000 | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2000 | — | |
| Aug 1, 2000 | Aug 31, 2000 | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2000 | — | |
| Aug 1, 2000 | Aug 31, 2000 | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2000 | — | |
| Aug 1, 2000 | Aug 31, 2000 | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2000 | — | |
| Aug 1, 2000 | Aug 31, 2000 | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2000 | — | |
| Jul 1, 1993 | Jul 31, 1993 | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 1993 | — | |
| Jul 1, 1993 | Jul 31, 1993 | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 1993 | — | |
| Apr 1, 1992 | Jun 30, 1992 | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 1992 | — | |
| Apr 1, 1992 | Jun 30, 1992 | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 1992 | — |
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.