HIDDEN HEIGHTS HOA
Montana - Community Water System - PWSID: MT0002120
System Information
| PWSID | MT0002120 |
| System Name | HIDDEN HEIGHTS 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 | Jan 28, 1982 |
| Last Reported | Mar 26, 2026 |
Location & Contact
| State | Montana |
| City | MISSOULA |
| ZIP Code | 59804 |
| Address | 480 BIG FLAT RD |
| Organization | FAGERHAUG, LARRY |
| Phone | 406-544-5116 |
Population & Service
| Population Served | 65 |
| Service Connections | 22 |
Drinking Water Violations (100)
This water system has 100 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Sep 1, 2018 | Sep 30, 2018 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2018 | - | |
| Sep 1, 2018 | Sep 30, 2018 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2018 | - | |
| Sep 1, 2018 | Sep 30, 2018 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2018 | - | |
| Jul 1, 2018 | - | Other | No | No | - | - | - | Resolved | Aug 30, 2018 | - | |
| Jul 1, 2018 | - | Other | No | No | - | - | - | Resolved | Aug 30, 2018 | - | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2018 | - | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2018 | - | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2018 | - | |
| Jan 1, 2018 | Dec 31, 2018 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2018 | - | |
| Jan 1, 2014 | - | MR | No | No | - | TT | - | Resolved | Feb 3, 2014 | - | |
| Jan 1, 2014 | - | MR | No | No | - | TT | - | Resolved | Feb 3, 2014 | - | |
| Jul 1, 2012 | - | Other | No | No | - | - | - | Resolved | Jul 18, 2012 | - | |
| Jul 1, 2012 | - | Other | No | No | - | - | - | Resolved | Jul 18, 2012 | - | |
| Jul 1, 2012 | - | Other | No | No | - | - | - | Resolved | Jul 18, 2012 | - | |
| Aug 1, 2011 | Aug 31, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Aug 29, 2011 | - | |
| Aug 1, 2011 | Aug 31, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Aug 29, 2011 | - | |
| Aug 1, 2011 | Aug 31, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Aug 29, 2011 | - | |
| Oct 1, 2010 | - | MR | No | No | - | TT | - | Resolved | Jul 23, 2013 | - | |
| Oct 1, 2010 | - | MR | No | No | - | TT | - | Resolved | Jul 23, 2013 | - | |
| Oct 1, 2010 | - | MR | No | No | - | TT | - | Resolved | Jul 23, 2013 | - | |
| Oct 1, 2010 | - | MR | No | No | - | TT | - | Resolved | Jul 23, 2013 | - | |
| Jan 1, 2010 | - | MR | No | No | - | TT | - | Resolved | Feb 11, 2011 | - | |
| Jan 1, 2010 | - | MR | No | No | - | TT | - | Resolved | Feb 11, 2011 | - | |
| Nov 1, 2008 | Nov 30, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2008 | - | |
| Nov 1, 2008 | Nov 30, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2008 | - | |
| Nov 1, 2008 | Nov 30, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2008 | - | |
| Nov 1, 2008 | Nov 30, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2008 | - | |
| May 1, 2006 | May 31, 2006 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 2006 | - | |
| May 1, 2006 | May 31, 2006 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 2006 | - | |
| May 1, 2006 | May 31, 2006 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 2006 | - | |
| May 1, 2006 | May 31, 2006 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 2006 | - | |
| May 1, 2006 | May 31, 2006 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 2006 | - | |
| May 1, 2006 | May 31, 2006 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 2006 | - | |
| Nov 1, 2005 | Nov 30, 2005 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 2005 | - | |
| Nov 1, 2005 | Nov 30, 2005 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 2005 | - | |
| Nov 1, 2005 | Nov 30, 2005 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 2005 | - | |
| Nov 1, 2005 | Nov 30, 2005 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 2005 | - | |
| Nov 1, 2005 | Nov 30, 2005 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 2005 | - | |
| Jun 1, 2005 | Jun 30, 2005 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2005 | - | |
| Jun 1, 2005 | Jun 30, 2005 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2005 | - | |
| Jun 1, 2005 | Jun 30, 2005 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2005 | - | |
| Jun 1, 2005 | Jun 30, 2005 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2005 | - | |
| Jun 1, 2005 | Jun 30, 2005 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2005 | - | |
| Oct 1, 2004 | Oct 31, 2004 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2004 | - | |
| Oct 1, 2004 | Oct 31, 2004 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2004 | - | |
| Oct 1, 2004 | Oct 31, 2004 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2004 | - | |
| Oct 1, 2004 | Oct 31, 2004 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2004 | - | |
| Oct 1, 2004 | Oct 31, 2004 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2004 | - | |
| Jan 1, 2003 | Jun 30, 2003 | MR | No | No | - | TT | - | Resolved | Jun 19, 2003 | - | |
| Jan 1, 2003 | Jun 30, 2003 | MR | No | No | - | TT | - | Resolved | Jun 19, 2003 | - |
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.