POSTS TRAILER COURT
Montana - Community Water System - PWSID: MT0000554
System Information
| PWSID | MT0000554 |
| System Name | POSTS TRAILER COURT |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 08 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 5, 1980 |
| Last Reported | Mar 26, 2026 |
Location & Contact
| State | Montana |
| City | LIBBY |
| ZIP Code | 59923 |
| Address | 506 PARK ST NO 12 |
| Organization | WARREN, TRAVIS |
| Phone | 406-283-1593 |
Population & Service
| Population Served | 45 |
| Service Connections | 20 |
Drinking Water Violations (72)
This water system has 72 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 | Oct 6, 2025 | - | |
| Oct 1, 2025 | - | Other | No | No | - | - | - | Resolved | Oct 6, 2025 | - | |
| Jul 1, 2025 | - | Other | No | No | - | - | - | Resolved | Jul 17, 2025 | - | |
| Jul 1, 2025 | - | Other | No | No | - | - | - | Resolved | Jul 17, 2025 | - | |
| Feb 1, 2025 | Feb 28, 2025 | MON | No | Yes | - | - | - | Resolved | Feb 28, 2025 | - | |
| Feb 1, 2025 | Feb 28, 2025 | MON | No | Yes | - | - | - | Resolved | Feb 28, 2025 | - | |
| Feb 1, 2025 | Feb 28, 2025 | MON | No | Yes | - | - | - | Resolved | Feb 28, 2025 | - | |
| Jul 1, 2024 | - | MR | No | No | - | TT | - | Resolved | Jun 30, 2024 | - | |
| Jul 1, 2024 | - | Other | No | No | - | - | - | Resolved | Sep 13, 2024 | - | |
| Jul 1, 2024 | - | Other | No | No | - | - | - | Resolved | Sep 13, 2024 | - | |
| Jul 1, 2024 | - | MR | No | No | - | TT | - | Resolved | Jun 30, 2025 | - | |
| Jul 1, 2024 | - | MR | No | No | - | TT | - | Resolved | Jun 30, 2025 | - | |
| Jul 1, 2024 | - | MR | No | No | - | TT | - | Resolved | Jun 30, 2025 | - | |
| Jul 1, 2024 | - | MR | No | No | - | TT | - | Resolved | Jun 30, 2024 | - | |
| Jul 1, 2024 | - | MR | No | No | - | TT | - | Resolved | Jun 30, 2024 | - | |
| Jan 1, 2024 | Dec 31, 2024 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2024 | Dec 31, 2024 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2024 | Dec 31, 2024 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2024 | - | |
| Jan 1, 2024 | - | MR | No | No | - | TT | - | Resolved | Jun 30, 2024 | - | |
| Jan 1, 2024 | - | MR | No | No | - | TT | - | Resolved | Jun 30, 2024 | - | |
| Jan 1, 2024 | - | MR | No | No | - | TT | - | Resolved | Jun 30, 2024 | - | |
| Oct 1, 2023 | - | Other | No | No | - | - | - | Resolved | Jan 2, 2024 | - | |
| Oct 1, 2023 | - | Other | No | No | - | - | - | Resolved | Jan 2, 2024 | - | |
| Sep 29, 2023 | - | MR | No | No | - | TT | - | Resolved | Apr 1, 2024 | - | |
| Sep 29, 2023 | - | MR | No | No | - | TT | - | Resolved | Apr 1, 2024 | - | |
| Jul 1, 2023 | - | Other | No | No | - | - | - | Resolved | Sep 5, 2023 | - | |
| Jul 1, 2023 | - | Other | No | No | - | - | - | Resolved | Sep 5, 2023 | - | |
| Jul 1, 2020 | - | Other | No | No | - | - | - | Resolved | Jul 27, 2020 | - | |
| Jul 1, 2020 | - | Other | No | No | - | - | - | Resolved | Jul 27, 2020 | - | |
| Oct 1, 2019 | - | Other | No | No | - | - | - | Resolved | Oct 26, 2019 | - | |
| Oct 1, 2019 | - | Other | No | No | - | - | - | Resolved | Oct 26, 2019 | - | |
| Jul 1, 2019 | - | Other | No | No | - | - | - | Resolved | Oct 26, 2019 | - | |
| Jul 1, 2019 | - | Other | No | No | - | - | - | Resolved | Oct 26, 2019 | - | |
| Sep 1, 2015 | Sep 30, 2015 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2015 | - | |
| Sep 1, 2015 | Sep 30, 2015 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2015 | - | |
| Sep 1, 2015 | Sep 30, 2015 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2015 | - | |
| Sep 1, 2015 | Sep 30, 2015 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2015 | - | |
| Sep 1, 2015 | Sep 30, 2015 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2015 | - | |
| Jan 1, 2011 | - | MR | No | No | - | TT | - | Resolved | Mar 22, 2011 | - | |
| Jan 1, 2011 | - | MR | No | No | - | TT | - | Resolved | Mar 22, 2011 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 7 MFL | - | Archived | Dec 31, 2013 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 7 MFL | - | Archived | Dec 31, 2013 | - | |
| Nov 1, 2010 | Nov 30, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Nov 8, 2010 | - | |
| Nov 1, 2010 | Nov 30, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Nov 8, 2010 | - | |
| Nov 1, 2010 | Nov 30, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Nov 8, 2010 | - | |
| Oct 1, 2010 | Oct 31, 2010 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2010 | - | |
| Oct 1, 2010 | Oct 31, 2010 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2010 | - | |
| Oct 1, 2010 | Oct 31, 2010 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2010 | - | |
| Oct 1, 2010 | Oct 31, 2010 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2010 | - | |
| Oct 1, 2010 | Oct 31, 2010 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2010 | - |
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.