PONDEROSA MOBILE HOME PARK
Montana - Community Water System - PWSID: MT0002131
System Information
| PWSID | MT0002131 |
| System Name | PONDEROSA MOBILE HOME PARK |
| 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 | Jan 28, 1982 |
| Last Reported | Mar 26, 2026 |
Location & Contact
| State | Montana |
| City | HAMILTON |
| ZIP Code | 59840 |
| Address | 1920 N 1ST ST |
| Organization | CHILD, ROB |
| Phone | 406-360-2732 |
Population & Service
| Population Served | 60 |
| Service Connections | 30 |
Drinking Water Violations (49)
This water system has 49 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, 2013 | Oct 31, 2013 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2013 | - | |
| Oct 1, 2013 | Oct 31, 2013 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2013 | - | |
| Oct 1, 2013 | Oct 31, 2013 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2013 | - | |
| Oct 1, 2013 | Oct 31, 2013 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2013 | - | |
| Aug 1, 2011 | Aug 31, 2011 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2011 | - | |
| Aug 1, 2011 | Aug 31, 2011 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2011 | - | |
| Aug 1, 2011 | Aug 31, 2011 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2011 | - | |
| Aug 1, 2011 | Aug 31, 2011 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2011 | - | |
| Aug 1, 2011 | Aug 31, 2011 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2011 | - | |
| 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, 2004 | - | MR | No | No | - | TT | - | Resolved | Sep 18, 2007 | - | |
| Oct 1, 2004 | - | MR | No | No | - | TT | - | Resolved | Sep 18, 2007 | - | |
| Oct 1, 2004 | - | MR | No | No | - | TT | - | Resolved | Sep 18, 2007 | - | |
| Nov 1, 2002 | Nov 30, 2002 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 2002 | - | |
| Nov 1, 2002 | Nov 30, 2002 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 2002 | - | |
| Nov 1, 2002 | Nov 30, 2002 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 2002 | - | |
| Nov 1, 2002 | Nov 30, 2002 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 2002 | - | |
| Nov 1, 2002 | Nov 30, 2002 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 2002 | - | |
| Nov 1, 2002 | Nov 30, 2002 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 2002 | - | |
| Apr 1, 2001 | Apr 30, 2001 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 2001 | - | |
| Apr 1, 2001 | Apr 30, 2001 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 2001 | - | |
| Apr 1, 2001 | Apr 30, 2001 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 2001 | - | |
| Apr 1, 2001 | Apr 30, 2001 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 2001 | - | |
| Dec 1, 1996 | Dec 31, 1996 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 1996 | - | |
| Nov 1, 1996 | Nov 30, 1996 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 1996 | - | |
| Jan 1, 1996 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 2000 | - | |
| Jan 1, 1996 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 2000 | - | |
| Jan 1, 1996 | - | MR | No | No | - | TT | - | Resolved | Dec 31, 2000 | - | |
| Jul 1, 1995 | Jul 31, 1995 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 1995 | - | |
| Jul 1, 1995 | Jul 31, 1995 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 1995 | - | |
| Oct 1, 1994 | Oct 31, 1994 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 1994 | - | |
| Apr 1, 1994 | Apr 30, 1994 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 1994 | - | |
| Apr 1, 1994 | Apr 30, 1994 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 1994 | - | |
| Feb 1, 1994 | Feb 28, 1994 | MR | No | No | - | 5% of samples | - | Resolved | Feb 28, 1994 | - | |
| Feb 1, 1994 | Feb 28, 1994 | MR | No | No | - | 5% of samples | - | Resolved | Feb 28, 1994 | - | |
| Jul 1, 1993 | - | MR | No | No | - | TT | - | Resolved | Dec 3, 1996 | - | |
| Jul 1, 1993 | - | MR | No | No | - | TT | - | Resolved | Dec 3, 1996 | - | |
| Jan 1, 1993 | Dec 31, 1993 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 1993 | - | |
| Jul 1, 1992 | Jul 31, 1992 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 1992 | - | |
| Jun 24, 1981 | Jul 23, 1981 | MR | No | Yes | - | 10 mg/L | - | Archived | Jul 23, 1981 | - | |
| Jun 24, 1981 | Jul 23, 1981 | MR | No | Yes | - | 0.010 mg/L | - | Archived | Jul 23, 1981 | - | |
| Jun 24, 1981 | Jul 23, 1981 | MR | No | Yes | - | 0.005 mg/L | - | Archived | Jul 23, 1981 | - | |
| Jun 24, 1981 | Jul 23, 1981 | MR | No | Yes | - | 0.05 mg/L | - | Archived | Jul 23, 1981 | - | |
| Jun 24, 1981 | Jul 23, 1981 | MR | No | Yes | - | 4.0 mg/L | - | Archived | Jul 23, 1981 | - | |
| Jun 24, 1981 | Jul 23, 1981 | MR | No | Yes | - | 0.1 mg/L | - | Archived | Jul 23, 1981 | - | |
| Jun 24, 1981 | Jul 23, 1981 | MR | No | Yes | - | 0.002 mg/L | - | Archived | Jul 23, 1981 | - | |
| Jun 24, 1981 | Jul 23, 1981 | MR | No | Yes | - | 2 mg/L | - | Archived | Jul 23, 1981 | - |
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.