ROCKY MOUNTAIN WUA
Montana - Community Water System - PWSID: MT0000058
System Information
| PWSID | MT0000058 |
| System Name | ROCKY MOUNTAIN WUA |
| 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 | Feb 13, 1979 |
| Last Reported | Mar 26, 2026 |
Location & Contact
| State | Montana |
| City | CLANCY |
| ZIP Code | 59634 |
| Address | 17 WILDERNESS DR |
| Organization | HAAS, IVA |
| Phone | 760-814-3571 |
Population & Service
| Population Served | 30 |
| Service Connections | 15 |
Drinking Water Violations (177)
This water system has 177 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jun 1, 2025 | Jun 30, 2025 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2025 | - | |
| Jun 1, 2025 | Jun 30, 2025 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2025 | - | |
| Jun 1, 2025 | Jun 30, 2025 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2025 | - | |
| Apr 2, 2021 | - | MR | No | Yes | - | - | - | Resolved | Sep 25, 2023 | - | |
| Apr 2, 2021 | - | MR | No | Yes | - | - | - | Resolved | Sep 25, 2023 | - | |
| Apr 2, 2021 | - | MR | No | Yes | - | - | - | Resolved | Sep 25, 2023 | - | |
| Dec 25, 2015 | - | MR | No | Yes | - | - | - | Resolved | Apr 7, 2016 | - | |
| Dec 25, 2015 | - | MR | No | Yes | - | - | - | Resolved | Apr 7, 2016 | - | |
| Dec 25, 2015 | - | MR | No | Yes | - | - | - | Resolved | Apr 7, 2016 | - | |
| Dec 25, 2015 | - | MR | No | Yes | - | - | - | Resolved | Apr 7, 2016 | - | |
| Dec 30, 2014 | - | MR | No | No | - | TT | - | Resolved | Feb 11, 2015 | - | |
| Dec 30, 2014 | - | MR | No | No | - | TT | - | Resolved | Feb 11, 2015 | - | |
| Sep 1, 2014 | Sep 30, 2014 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2014 | - | |
| Sep 1, 2014 | Sep 30, 2014 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2014 | - | |
| Sep 1, 2014 | Sep 30, 2014 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2014 | - | |
| Sep 1, 2014 | Sep 30, 2014 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2014 | - | |
| Sep 1, 2014 | Sep 30, 2014 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2014 | - | |
| Mar 1, 2014 | Mar 31, 2014 | MCL | Yes | No | - | 5% of samples | - | Resolved | Mar 31, 2014 | - | |
| Mar 1, 2014 | Mar 31, 2014 | MCL | Yes | No | - | 5% of samples | - | Resolved | Mar 31, 2014 | - | |
| Mar 1, 2014 | Mar 31, 2014 | MCL | Yes | No | - | 5% of samples | - | Resolved | Mar 31, 2014 | - | |
| Mar 1, 2014 | Mar 31, 2014 | MCL | Yes | No | - | 5% of samples | - | Resolved | Mar 31, 2014 | - | |
| Jan 1, 2014 | Dec 31, 2016 | MR | No | No | - | 30 ug/L | - | Resolved | Dec 31, 2016 | - | |
| Jan 1, 2014 | Dec 31, 2016 | MR | No | No | - | 30 ug/L | - | Resolved | Dec 31, 2016 | - | |
| Jan 1, 2014 | Dec 31, 2016 | MR | No | No | - | 30 ug/L | - | Resolved | Dec 31, 2016 | - | |
| Jan 1, 2014 | Dec 31, 2016 | MR | No | No | - | 30 ug/L | - | Resolved | Dec 31, 2016 | - | |
| Oct 1, 2013 | - | MR | No | Yes | - | - | - | Resolved | Feb 20, 2014 | - | |
| Oct 1, 2013 | - | MR | No | Yes | - | - | - | Resolved | Feb 20, 2014 | - | |
| Oct 1, 2013 | Oct 31, 2013 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2013 | - | |
| Oct 1, 2013 | Oct 31, 2013 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2013 | - | |
| Oct 1, 2013 | - | MR | No | Yes | - | - | - | Resolved | Feb 20, 2014 | - | |
| Oct 1, 2013 | Oct 31, 2013 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2013 | - | |
| Oct 1, 2013 | Oct 31, 2013 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2013 | - | |
| Oct 1, 2013 | Oct 31, 2013 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2013 | - | |
| Oct 1, 2011 | - | MR | No | Yes | - | - | - | Resolved | Dec 16, 2011 | - | |
| Oct 1, 2011 | - | MR | No | Yes | - | - | - | Resolved | Dec 16, 2011 | - | |
| Oct 1, 2011 | - | MR | No | Yes | - | - | - | Resolved | Dec 16, 2011 | - | |
| Apr 1, 2009 | Jun 30, 2009 | MCL | Yes | No | .059 MG/L | 30 ug/L | - | Resolved | Jun 30, 2009 | - | |
| Apr 1, 2009 | Jun 30, 2009 | MCL | Yes | No | .059 MG/L | 30 ug/L | - | Resolved | Jun 30, 2009 | - | |
| Apr 1, 2009 | Jun 30, 2009 | MCL | Yes | No | .059 MG/L | 30 ug/L | - | Resolved | Jun 30, 2009 | - | |
| Apr 1, 2009 | Jun 30, 2009 | MCL | Yes | No | .059 MG/L | 30 ug/L | - | Resolved | Jun 30, 2009 | - | |
| Apr 1, 2009 | Jun 30, 2009 | MCL | Yes | No | .059 MG/L | 30 ug/L | - | Resolved | Jun 30, 2009 | - | |
| Apr 1, 2009 | Jun 30, 2009 | MCL | Yes | No | .059 MG/L | 30 ug/L | - | Resolved | Jun 30, 2009 | - | |
| Jan 1, 2009 | Mar 31, 2009 | MCL | Yes | No | .059 MG/L | 30 ug/L | - | Resolved | Mar 31, 2009 | - | |
| Jan 1, 2009 | Mar 31, 2009 | MCL | Yes | No | .059 MG/L | 30 ug/L | - | Resolved | Mar 31, 2009 | - | |
| Jan 1, 2009 | Mar 31, 2009 | MCL | Yes | No | .059 MG/L | 30 ug/L | - | Resolved | Mar 31, 2009 | - | |
| Jan 1, 2009 | Mar 31, 2009 | MCL | Yes | No | .059 MG/L | 30 ug/L | - | Resolved | Mar 31, 2009 | - | |
| Jan 1, 2009 | Mar 31, 2009 | MCL | Yes | No | .059 MG/L | 30 ug/L | - | Resolved | Mar 31, 2009 | - | |
| Jan 1, 2009 | Mar 31, 2009 | MCL | Yes | No | .059 MG/L | 30 ug/L | - | Resolved | Mar 31, 2009 | - | |
| Oct 1, 2008 | Dec 31, 2008 | MCL | Yes | No | .062 MG/L | 30 ug/L | - | Resolved | Dec 31, 2008 | - | |
| Oct 1, 2008 | Dec 31, 2008 | MCL | Yes | No | .062 MG/L | 30 ug/L | - | Resolved | Dec 31, 2008 | - |
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.