CARPENTER LAKE HOA
Montana - Community Water System - PWSID: MT0003694
System Information
| PWSID | MT0003694 |
| System Name | CARPENTER LAKE HOA |
| 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 | Nov 3, 1993 |
| Last Reported | Mar 26, 2026 |
Location & Contact
| State | Montana |
| City | EUREKA |
| ZIP Code | 59917 |
| Address | BOX 1363 |
| Organization | SIMISTER, BRYAN |
| Phone | 406-253-4770 |
Population & Service
| Population Served | 65 |
| Service Connections | 36 |
Drinking Water Violations (51)
This water system has 51 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Nov 1, 2025 | Nov 30, 2025 | MON | No | Yes | - | - | - | Resolved | Nov 30, 2025 | - | |
| Nov 1, 2025 | Nov 30, 2025 | MON | No | Yes | - | - | - | Resolved | Nov 30, 2025 | - | |
| Nov 1, 2025 | Nov 30, 2025 | MON | No | Yes | - | - | - | Resolved | Nov 30, 2025 | - | |
| Sep 29, 2023 | - | TT | Yes | No | - | - | - | Resolved | Dec 18, 2023 | - | |
| Sep 29, 2023 | - | TT | Yes | No | - | - | - | Resolved | Dec 18, 2023 | - | |
| Sep 29, 2023 | - | TT | Yes | No | - | - | - | Resolved | Dec 18, 2023 | - | |
| Jul 1, 2015 | - | Other | No | No | - | - | - | Resolved | Jul 30, 2015 | - | |
| Jul 1, 2015 | - | Other | No | No | - | - | - | Resolved | Jul 30, 2015 | - | |
| Aug 1, 2013 | Aug 31, 2013 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2013 | - | |
| Aug 1, 2013 | Aug 31, 2013 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2013 | - | |
| Aug 1, 2013 | Aug 31, 2013 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2013 | - | |
| Aug 1, 2013 | Aug 31, 2013 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2013 | - | |
| Aug 1, 2013 | Aug 31, 2013 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2013 | - | |
| Apr 1, 2011 | Apr 30, 2011 | MCL | Yes | No | - | 5% of samples | - | Resolved | Apr 30, 2011 | - | |
| Apr 1, 2011 | Apr 30, 2011 | MCL | Yes | No | - | 5% of samples | - | Resolved | Apr 30, 2011 | - | |
| Apr 1, 2011 | Apr 30, 2011 | MCL | Yes | No | - | 5% of samples | - | Resolved | Apr 30, 2011 | - | |
| Apr 1, 2011 | Apr 30, 2011 | MCL | Yes | No | - | 5% of samples | - | Resolved | Apr 30, 2011 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 7 MFL | - | Resolved | Dec 31, 2013 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 7 MFL | - | Resolved | Dec 31, 2013 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 7 MFL | - | Resolved | Dec 31, 2013 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 7 MFL | - | Resolved | Dec 31, 2013 | - | |
| Jul 1, 2008 | - | Other | No | No | - | - | - | Resolved | Aug 26, 2008 | - | |
| Jul 1, 2008 | - | Other | No | No | - | - | - | Resolved | Aug 26, 2008 | - | |
| Jul 1, 2008 | - | Other | No | No | - | - | - | Resolved | Aug 26, 2008 | - | |
| Aug 1, 2007 | Aug 31, 2007 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2007 | - | |
| Aug 1, 2007 | Aug 31, 2007 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2007 | - | |
| Aug 1, 2007 | Aug 31, 2007 | MR | No | No | - | 5% of samples | - | Resolved | Aug 31, 2007 | - | |
| Jan 1, 1998 | - | MR | No | No | - | TT | - | Resolved | Oct 31, 2003 | - | |
| Jan 1, 1998 | - | MR | No | No | - | TT | - | Resolved | Oct 31, 2003 | - | |
| Jul 1, 1997 | - | MR | No | No | - | TT | - | Resolved | Oct 31, 2003 | - | |
| Jul 1, 1997 | - | MR | No | No | - | TT | - | Resolved | Oct 31, 2003 | - | |
| Jul 1, 1996 | - | MR | No | No | - | TT | - | Resolved | Oct 31, 2003 | - | |
| Jul 1, 1996 | - | MR | No | No | - | TT | - | Resolved | Oct 31, 2003 | - | |
| Jan 1, 1996 | - | MR | No | No | - | TT | - | Resolved | Apr 23, 1998 | - | |
| Jan 1, 1996 | - | MR | No | No | - | TT | - | Resolved | Apr 23, 1998 | - | |
| Jun 1, 1995 | Jun 30, 1995 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 1995 | - | |
| Jun 1, 1995 | Jun 30, 1995 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 1995 | - | |
| Mar 1, 1994 | Mar 31, 1994 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 1994 | - | |
| Mar 1, 1994 | Mar 31, 1994 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 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 | - | |
| Jan 1, 1994 | Jan 31, 1994 | MR | No | No | - | 5% of samples | - | Resolved | Jan 31, 1994 | - | |
| Jan 1, 1994 | Jan 31, 1994 | MR | No | No | - | 5% of samples | - | Resolved | Jan 31, 1994 | - | |
| Jan 1, 1994 | Dec 31, 1994 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 1994 | - | |
| Dec 1, 1993 | Dec 31, 1993 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 1993 | - | |
| Dec 1, 1993 | Dec 31, 1993 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 1993 | - | |
| 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 | - | |
| Jul 1, 1993 | - | MR | No | No | - | TT | - | Resolved | Dec 3, 1996 | - | |
| Jul 1, 1993 | - | MR | No | No | - | TT | - | Resolved | Dec 3, 1996 | - |
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.