TWIN BRIDGES TOWN OF
Montana — Community Water System — PWSID: MT0000349
System Information
| PWSID | MT0000349 |
| System Name | TWIN BRIDGES TOWN OF |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 08 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 13, 1979 |
| Last Reported | Jan 5, 2026 |
Location & Contact
| State | Montana |
| City | TWIN BRIDGES |
| ZIP Code | 59754 |
| Address | PO BOX 307 |
| Organization | TOWN OF TWIN BRIDGES |
| Phone | 406-684-5243 |
Population & Service
| Population Served | 424 |
| Service Connections | 270 |
Drinking Water Violations (18)
This water system has 18 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Apr 1, 2012 | Apr 30, 2012 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 10, 2012 | Total Coliform Rule |
| Apr 1, 2012 | Apr 30, 2012 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 10, 2012 | Total Coliform Rule |
| Apr 1, 2012 | Apr 30, 2012 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 10, 2012 | Total Coliform Rule |
| Jan 1, 2010 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Feb 11, 2011 | Lead and Copper Rule |
| Jan 1, 2010 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Feb 11, 2011 | Lead and Copper Rule |
| Aug 1, 2007 | Aug 31, 2007 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2007 | Total Coliform Rule |
| Aug 1, 2007 | Aug 31, 2007 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2007 | Total Coliform Rule |
| Aug 1, 2007 | Aug 31, 2007 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2007 | Total Coliform Rule |
| Jul 1, 2007 | Jul 31, 2007 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2007 | Total Coliform Rule |
| Jul 1, 2007 | Jul 31, 2007 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2007 | Total Coliform Rule |
| Jul 1, 2007 | Jul 31, 2007 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 2007 | Total Coliform Rule |
| Jan 1, 2000 | Dec 31, 2000 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Dec 31, 2000 | Nitrate Rule |
| Jan 1, 2000 | Dec 31, 2000 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Dec 31, 2000 | Nitrate Rule |
| Jan 1, 2000 | Dec 31, 2000 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Dec 31, 2000 | Nitrate Rule |
| Jan 1, 2000 | Dec 31, 2000 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Dec 31, 2000 | Nitrate Rule |
| Jan 1, 2000 | Dec 31, 2000 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Dec 31, 2000 | Nitrate Rule |
| Jan 1, 2000 | Dec 31, 2000 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Dec 31, 2000 | Nitrate Rule |
| — | — | — | No | No | — | — | — | — | — | — |
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.