BLACKTAIL MOUNTAIN SKI AREA
Montana — Transient Non-Community — PWSID: MT0004103
System Information
| PWSID | MT0004103 |
| System Name | BLACKTAIL MOUNTAIN SKI AREA |
| System Type | Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Mixed |
| EPA Region | 08 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 19, 2000 |
| Last Reported | Jan 5, 2026 |
Location & Contact
| State | Montana |
| City | LAKESIDE |
| ZIP Code | 59922 |
| Address | PO Box 1090 |
| Organization | WOOD, JESSICA |
| Phone | 406-844-0999 |
Population & Service
| Population Served | 260 |
| Service Connections | 2 |
Drinking Water Violations (26)
This water system has 26 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Mar 1, 2024 | Mar 31, 2024 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Mar 31, 2024 | Revised Total Coliform Rule |
| Mar 1, 2024 | Mar 31, 2024 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Mar 31, 2024 | Revised Total Coliform Rule |
| Mar 1, 2024 | Mar 31, 2024 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Mar 31, 2024 | Revised Total Coliform Rule |
| Mar 1, 2024 | Mar 31, 2024 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Mar 31, 2024 | Revised Total Coliform Rule |
| Oct 1, 2021 | Oct 31, 2021 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Oct 31, 2021 | Revised Total Coliform Rule |
| Oct 1, 2021 | Oct 31, 2021 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Oct 31, 2021 | Revised Total Coliform Rule |
| Oct 1, 2021 | Oct 31, 2021 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Oct 31, 2021 | Revised Total Coliform Rule |
| May 1, 2020 | May 31, 2020 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | May 31, 2020 | Revised Total Coliform Rule |
| May 1, 2020 | May 31, 2020 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | May 31, 2020 | Revised Total Coliform Rule |
| May 1, 2020 | May 31, 2020 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | May 31, 2020 | Revised Total Coliform Rule |
| Apr 1, 2015 | Apr 30, 2015 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2015 | Total Coliform Rule |
| Apr 1, 2015 | Apr 30, 2015 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2015 | Total Coliform Rule |
| Apr 1, 2015 | Apr 30, 2015 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2015 | Total Coliform Rule |
| Apr 1, 2007 | Apr 30, 2007 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2007 | Total Coliform Rule |
| Apr 1, 2007 | Apr 30, 2007 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2007 | Total Coliform Rule |
| Apr 1, 2007 | Apr 30, 2007 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2007 | Total Coliform Rule |
| Apr 1, 2006 | Apr 30, 2006 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2006 | Total Coliform Rule |
| Apr 1, 2006 | Apr 30, 2006 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2006 | Total Coliform Rule |
| Apr 1, 2006 | Apr 30, 2006 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2006 | Total Coliform Rule |
| Apr 1, 2006 | Apr 30, 2006 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2006 | Total Coliform Rule |
| Mar 1, 2003 | Mar 31, 2003 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 2003 | Total Coliform Rule |
| Mar 1, 2003 | Mar 31, 2003 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 2003 | Total Coliform Rule |
| Mar 1, 2003 | Mar 31, 2003 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Mar 31, 2003 | Total Coliform Rule |
| Apr 1, 2002 | Apr 30, 2002 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2002 | Total Coliform Rule |
| Apr 1, 2002 | Apr 30, 2002 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2002 | Total Coliform Rule |
| Apr 1, 2002 | Apr 30, 2002 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Apr 30, 2002 | Total Coliform Rule |
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.