CHOTEAU CITY OF
Montana — Community Water System — PWSID: MT0000175
System Information
| PWSID | MT0000175 |
| System Name | CHOTEAU 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 | CHOTEAU |
| ZIP Code | 59422 |
| Address | PO BOX 619 |
| Organization | FROWNFELDER, TOM |
| Phone | 406-466-2510 |
Population & Service
| Population Served | 1,691 |
| Service Connections | 713 |
Drinking Water Violations (41)
This water system has 41 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan 1, 2025 | Dec 31, 2025 | MR | No | Yes | — | — | — | Resolved | Dec 31, 2025 | — | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | Yes | — | — | — | Resolved | Dec 31, 2025 | — | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | Yes | — | — | — | Resolved | Dec 31, 2025 | — | |
| Jan 1, 2025 | Dec 31, 2025 | MR | No | Yes | — | — | — | Resolved | Dec 31, 2025 | — | |
| Sep 1, 2014 | Aug 31, 2015 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Aug 31, 2015 | — | |
| Sep 1, 2014 | Aug 31, 2015 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Aug 31, 2015 | — | |
| Sep 1, 2014 | Aug 31, 2015 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Aug 31, 2015 | — | |
| Sep 1, 2014 | Aug 31, 2015 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Aug 31, 2015 | — | |
| Sep 1, 2014 | Aug 31, 2015 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Aug 31, 2015 | — | |
| Sep 1, 2014 | Aug 31, 2015 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Aug 31, 2015 | — | |
| Oct 1, 2012 | Oct 31, 2012 | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2012 | — | |
| Oct 1, 2012 | Oct 31, 2012 | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2012 | — | |
| Oct 1, 2012 | Oct 31, 2012 | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2012 | — | |
| Oct 1, 2012 | Oct 31, 2012 | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2012 | — | |
| Sep 1, 2011 | — | MR | No | Yes | — | — | — | Resolved | Aug 7, 2012 | — | |
| Sep 1, 2011 | — | MR | No | Yes | — | — | — | Resolved | Aug 7, 2012 | — | |
| Sep 1, 2011 | — | MR | No | Yes | — | — | — | Resolved | Aug 7, 2012 | — | |
| Sep 1, 2011 | — | MR | No | Yes | — | — | — | Resolved | Sep 20, 2011 | — | |
| Sep 1, 2011 | — | MR | No | Yes | — | — | — | Resolved | Sep 20, 2011 | — | |
| Sep 1, 2011 | — | MR | No | Yes | — | — | — | Resolved | Sep 20, 2011 | — | |
| Sep 1, 2011 | — | MR | No | Yes | — | — | — | Resolved | Sep 20, 2011 | — | |
| Sep 1, 2011 | — | MR | No | Yes | — | — | — | Resolved | Sep 20, 2011 | — | |
| Sep 1, 2011 | — | MR | No | Yes | — | — | — | Resolved | Sep 20, 2011 | — | |
| Sep 1, 2011 | — | MR | No | Yes | — | — | — | Resolved | Sep 20, 2011 | — | |
| Sep 1, 2011 | — | MR | No | Yes | — | — | — | Resolved | Sep 20, 2011 | — | |
| Sep 1, 2011 | — | MR | No | Yes | — | — | — | Resolved | Sep 20, 2011 | — | |
| Sep 1, 2011 | — | MR | No | Yes | — | — | — | Resolved | Sep 20, 2011 | — | |
| Nov 1, 1998 | Nov 30, 1998 | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 1998 | — | |
| Aug 1, 1998 | Aug 31, 1998 | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 1998 | — | |
| Jun 1, 1998 | Jun 30, 1998 | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 1998 | — | |
| Apr 1, 1997 | Apr 30, 1997 | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 1997 | — | |
| Jan 1, 1997 | Dec 31, 1997 | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 1997 | — | |
| Jan 1, 1996 | Dec 31, 1998 | MR | No | Yes | — | 0.010 mg/L | — | Resolved | Dec 31, 1998 | — | |
| Sep 1, 1995 | Sep 30, 1995 | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 1995 | — | |
| May 1, 1995 | May 31, 1995 | MR | No | No | — | 5% of samples | — | Resolved | May 31, 1995 | — | |
| Jul 1, 1994 | Jul 31, 1994 | MR | No | No | — | 5% of samples | — | Resolved | Jul 31, 1994 | — | |
| Nov 1, 1993 | Nov 30, 1993 | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 1993 | — | |
| Nov 1, 1993 | Nov 30, 1993 | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 1993 | — | |
| Oct 1, 1993 | Oct 31, 1993 | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 1993 | — | |
| — | — | — | 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.