TROY CITY OF
Montana - Community Water System - PWSID: MT0000348
System Information
| PWSID | MT0000348 |
| System Name | TROY CITY 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 | Mar 26, 2026 |
Location & Contact
| State | Montana |
| City | TROY |
| ZIP Code | 59935 |
| Address | PO BOX 823 |
| Organization | BOSWELL JR, TYLER |
| Phone | 406-295-4151 |
Population & Service
| Population Served | 2,100 |
| Service Connections | 529 |
Drinking Water Violations (34)
This water system has 34 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jun 1, 2008 | Jun 30, 2008 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2008 | - | |
| Jun 1, 2008 | Jun 30, 2008 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2008 | - | |
| Jun 1, 2008 | Jun 30, 2008 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2008 | - | |
| Jun 1, 2008 | Jun 30, 2008 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2008 | - | |
| Jun 1, 2008 | Jun 30, 2008 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2008 | - | |
| May 1, 2008 | May 31, 2008 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 2008 | - | |
| May 1, 2008 | May 31, 2008 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 2008 | - | |
| May 1, 2008 | May 31, 2008 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 2008 | - | |
| May 1, 2008 | May 31, 2008 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 2008 | - | |
| May 1, 2008 | May 31, 2008 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 2008 | - | |
| Feb 1, 2004 | Feb 29, 2004 | MCL | Yes | No | - | 5% of samples | - | Resolved | Feb 29, 2004 | - | |
| Feb 1, 2004 | Feb 29, 2004 | MCL | Yes | No | - | 5% of samples | - | Resolved | Feb 29, 2004 | - | |
| Feb 1, 2004 | Feb 29, 2004 | MCL | Yes | No | - | 5% of samples | - | Resolved | Feb 29, 2004 | - | |
| Feb 1, 2004 | Feb 29, 2004 | MCL | Yes | No | - | 5% of samples | - | Resolved | Feb 29, 2004 | - | |
| Feb 1, 2004 | Feb 29, 2004 | MCL | Yes | No | - | 5% of samples | - | Resolved | Feb 29, 2004 | - | |
| Feb 1, 2004 | Feb 29, 2004 | MCL | Yes | No | - | 5% of samples | - | Resolved | Feb 29, 2004 | - | |
| Jan 1, 2002 | Jan 31, 2002 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jan 31, 2002 | - | |
| Jan 1, 2002 | Jan 31, 2002 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jan 31, 2002 | - | |
| Jan 1, 2002 | Jan 31, 2002 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jan 31, 2002 | - | |
| Jan 1, 2002 | Jan 31, 2002 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jan 31, 2002 | - | |
| Jan 1, 2002 | Jan 31, 2002 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jan 31, 2002 | - | |
| Jan 1, 2002 | Jan 31, 2002 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jan 31, 2002 | - | |
| Jan 1, 1996 | Dec 31, 1996 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 1996 | - | |
| Jan 1, 1994 | Dec 31, 1994 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 1994 | - | |
| Oct 1, 1993 | Oct 31, 1993 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 1993 | - | |
| Oct 1, 1993 | Oct 31, 1993 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 1993 | - | |
| Aug 1, 1993 | Aug 31, 1993 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 1993 | - | |
| Aug 1, 1993 | Aug 31, 1993 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 1993 | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | 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.