MUSSELSHELL COMMUNITY COUNTY WSD
Montana - Community Water System - PWSID: MT0000296
System Information
| PWSID | MT0000296 |
| System Name | MUSSELSHELL COMMUNITY COUNTY WSD |
| 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 | MUSSELSHELL |
| ZIP Code | 59059 |
| Address | PO BOX 29 |
| Organization | MUSSELSHELL COMMUNITY COUNTY WSD |
| Phone | 406-947-5141 |
Population & Service
| Population Served | 75 |
| Service Connections | 38 |
Drinking Water Violations (42)
This water system has 42 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 1, 2020 | - | Other | No | No | - | - | - | Resolved | Jul 22, 2020 | - | |
| Jul 1, 2020 | - | Other | No | No | - | - | - | Resolved | Jul 22, 2020 | - | |
| Jan 1, 2013 | - | MR | No | No | - | TT | - | Resolved | Jan 22, 2013 | - | |
| Jan 1, 2013 | - | MR | No | No | - | TT | - | Resolved | Jan 22, 2013 | - | |
| Oct 1, 2010 | - | Other | No | No | - | - | - | Resolved | Oct 21, 2010 | - | |
| Oct 1, 2010 | - | Other | No | No | - | - | - | Resolved | Oct 21, 2010 | - | |
| Oct 1, 2010 | - | Other | No | No | - | - | - | Resolved | Oct 21, 2010 | - | |
| Jul 1, 2008 | - | Other | No | No | - | - | - | Resolved | Aug 13, 2008 | - | |
| Jul 1, 2008 | - | Other | No | No | - | - | - | Resolved | Aug 13, 2008 | - | |
| Jul 1, 2008 | - | Other | No | No | - | - | - | Resolved | Aug 13, 2008 | - | |
| Oct 1, 2007 | - | MR | No | No | - | TT | - | Resolved | Jun 19, 2009 | - | |
| Oct 1, 2007 | - | MR | No | No | - | TT | - | Resolved | Jun 19, 2009 | - | |
| Oct 1, 2007 | - | MR | No | No | - | TT | - | Resolved | Jun 19, 2009 | - | |
| Oct 1, 2007 | - | MR | No | No | - | TT | - | Resolved | Jun 19, 2009 | - | |
| Jul 1, 2006 | - | Other | No | No | - | - | - | Resolved | Mar 5, 2007 | - | |
| Jul 1, 2006 | - | Other | No | No | - | - | - | Resolved | Mar 5, 2007 | - | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | Yes | - | 0.006 mg/L | - | Resolved | Dec 31, 2006 | - | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | Yes | - | 0.006 mg/L | - | Resolved | Dec 31, 2006 | - | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | Yes | - | 0.006 mg/L | - | Resolved | Dec 31, 2006 | - | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2006 | - | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2006 | - | |
| Jan 1, 2006 | Dec 31, 2006 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2006 | - | |
| Oct 1, 2004 | - | MR | No | No | - | TT | - | Resolved | Jun 19, 2009 | - | |
| Oct 1, 2004 | - | MR | No | No | - | TT | - | Resolved | Jun 19, 2009 | - | |
| Oct 1, 2004 | - | MR | No | No | - | TT | - | Resolved | Jun 19, 2009 | - | |
| Jun 1, 2004 | Jun 30, 2004 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2004 | - | |
| Jun 1, 2004 | Jun 30, 2004 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2004 | - | |
| Jun 1, 2004 | Jun 30, 2004 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2004 | - | |
| Jun 1, 2004 | Jun 30, 2004 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2004 | - | |
| Jun 1, 2004 | Jun 30, 2004 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2004 | - | |
| Jun 1, 2004 | Jun 30, 2004 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2004 | - | |
| Jun 1, 2004 | Jun 30, 2004 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2004 | - | |
| Jul 1, 2002 | - | Other | No | No | - | - | - | Resolved | Jul 30, 2003 | - | |
| Jul 1, 2002 | - | Other | No | No | - | - | - | Resolved | Jul 30, 2003 | - | |
| Feb 1, 1997 | Feb 28, 1997 | MR | No | No | - | 5% of samples | - | Resolved | Feb 28, 1997 | - | |
| Feb 1, 1997 | Feb 28, 1997 | MR | No | No | - | 5% of samples | - | Resolved | Feb 28, 1997 | - | |
| Jan 1, 1997 | Jan 31, 1997 | MR | No | No | - | 5% of samples | - | Resolved | Jan 31, 1997 | - | |
| Jan 1, 1997 | Jan 31, 1997 | MR | No | No | - | 5% of samples | - | Resolved | Jan 31, 1997 | - | |
| Jan 1, 1997 | Jan 31, 1997 | MR | No | No | - | 5% of samples | - | Resolved | Jan 31, 1997 | - | |
| Feb 1, 1995 | Feb 28, 1995 | MR | No | No | - | 5% of samples | - | Resolved | Feb 28, 1995 | - | |
| Feb 1, 1995 | Feb 28, 1995 | MR | No | No | - | 5% of samples | - | Resolved | Feb 28, 1995 | - | |
| Feb 1, 1995 | Feb 28, 1995 | MR | No | No | - | 5% of samples | - | Resolved | Feb 28, 1995 | - |
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.