GATES OF THE MOUNTAINS INC
Montana - Transient Non-Community - PWSID: MT0003419
System Information
| PWSID | MT0003419 |
| System Name | GATES OF THE MOUNTAINS INC |
| System Type | Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 08 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Sep 15, 1989 |
| Last Reported | Mar 26, 2026 |
Location & Contact
| State | Montana |
| City | HELENA |
| ZIP Code | 59604 |
| Address | PO BOX 9786 |
| Organization | ZIMMERMAN, BRIAN |
| Phone | 406-458-5241 |
Population & Service
| Population Served | 251 |
| Service Connections | 3 |
Drinking Water Violations (97)
This water system has 97 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, 2024 | - | TT | Yes | No | - | - | - | Resolved | May 6, 2025 | - | |
| Oct 1, 2024 | - | TT | Yes | No | - | - | - | Resolved | May 6, 2025 | - | |
| Oct 1, 2024 | - | TT | Yes | No | - | - | - | Resolved | May 6, 2025 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2023 | - | |
| Jan 1, 2023 | Dec 31, 2023 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2023 | - | |
| Aug 12, 2020 | - | MR | No | Yes | - | - | - | Resolved | Aug 13, 2020 | - | |
| Aug 12, 2020 | - | MR | No | Yes | - | - | - | Resolved | Aug 13, 2020 | - | |
| Aug 12, 2020 | - | MR | No | Yes | - | - | - | Resolved | Aug 13, 2020 | - | |
| May 2, 2020 | - | RPT | No | No | - | - | - | Resolved | May 25, 2021 | - | |
| May 2, 2020 | - | RPT | No | No | - | - | - | Resolved | May 25, 2021 | - | |
| May 2, 2020 | - | RPT | No | No | - | - | - | Resolved | May 25, 2021 | - | |
| May 2, 2020 | - | RPT | No | No | - | - | - | Resolved | May 25, 2021 | - | |
| May 2, 2019 | - | TT | Yes | No | - | - | - | Resolved | Jul 17, 2019 | - | |
| May 2, 2019 | - | TT | Yes | No | - | - | - | Resolved | Jul 17, 2019 | - | |
| May 2, 2019 | - | TT | Yes | No | - | - | - | Resolved | Jul 17, 2019 | - | |
| May 1, 2018 | May 31, 2018 | MON | No | Yes | - | - | - | Resolved | May 31, 2018 | - | |
| May 1, 2018 | May 31, 2018 | MON | No | Yes | - | - | - | Resolved | May 31, 2018 | - | |
| May 1, 2018 | May 31, 2018 | MON | No | Yes | - | - | - | Resolved | May 31, 2018 | - | |
| May 2, 2017 | - | TT | Yes | No | - | - | - | Resolved | Jul 13, 2017 | - | |
| May 2, 2017 | - | TT | Yes | No | - | - | - | Resolved | Jul 13, 2017 | - | |
| May 2, 2017 | - | TT | Yes | No | - | - | - | Resolved | Jul 13, 2017 | - | |
| May 1, 2008 | May 31, 2008 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2008 | - | |
| May 1, 2008 | May 31, 2008 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2008 | - | |
| May 1, 2008 | May 31, 2008 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2008 | - | |
| May 1, 2008 | May 31, 2008 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2008 | - | |
| May 1, 2008 | May 31, 2008 | MR | No | No | - | 5% of samples | - | Resolved | May 31, 2008 | - | |
| Sep 1, 2007 | Sep 30, 2007 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2007 | - | |
| Sep 1, 2007 | Sep 30, 2007 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2007 | - | |
| Sep 1, 2007 | Sep 30, 2007 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2007 | - | |
| Sep 1, 2007 | Sep 30, 2007 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2007 | - | |
| Sep 1, 2007 | Sep 30, 2007 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2007 | - | |
| Sep 1, 2006 | Sep 30, 2006 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2006 | - | |
| Sep 1, 2006 | Sep 30, 2006 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2006 | - | |
| Sep 1, 2006 | Sep 30, 2006 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2006 | - | |
| Sep 1, 2006 | Sep 30, 2006 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2006 | - | |
| Sep 1, 2006 | Sep 30, 2006 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2006 | - | |
| Jul 1, 2006 | Jul 31, 2006 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2006 | - | |
| Jul 1, 2006 | Jul 31, 2006 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2006 | - | |
| Jul 1, 2006 | Jul 31, 2006 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2006 | - | |
| Jul 1, 2006 | Jul 31, 2006 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2006 | - | |
| Jul 1, 2006 | Jul 31, 2006 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2006 | - | |
| Jun 1, 2006 | Jun 30, 2006 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2006 | - | |
| Jun 1, 2006 | Jun 30, 2006 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2006 | - | |
| Jun 1, 2006 | Jun 30, 2006 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2006 | - | |
| Jun 1, 2006 | Jun 30, 2006 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2006 | - | |
| Jun 1, 2006 | Jun 30, 2006 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2006 | - | |
| Sep 1, 2005 | Sep 30, 2005 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2005 | - | |
| Sep 1, 2005 | Sep 30, 2005 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2005 | - | |
| Sep 1, 2005 | Sep 30, 2005 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2005 | - |
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.