BIG HOLE NATIONAL BATTLEFIELD
Montana — Transient Non-Community — PWSID: MT0001271
System Information
| PWSID | MT0001271 |
| System Name | BIG HOLE NATIONAL BATTLEFIELD |
| System Type | Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Federal |
| EPA Region | 08 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 5, 1980 |
| Last Reported | Jan 5, 2026 |
Location & Contact
| State | Montana |
| City | WISDOM |
| ZIP Code | 59761 |
| Address | PO BOX 237 |
| Organization | BACON, PATTI |
| Phone | 406-689-3155 |
Population & Service
| Population Served | 214 |
| Service Connections | 8 |
Drinking Water Violations (28)
This water system has 28 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, 2023 | Mar 31, 2023 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Mar 31, 2023 | Revised Total Coliform Rule |
| Mar 1, 2023 | Mar 31, 2023 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Mar 31, 2023 | Revised Total Coliform Rule |
| Mar 1, 2023 | Mar 31, 2023 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Mar 31, 2023 | Revised Total Coliform Rule |
| Feb 1, 2023 | Feb 28, 2023 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Feb 28, 2023 | Revised Total Coliform Rule |
| Feb 1, 2023 | Feb 28, 2023 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Feb 28, 2023 | Revised Total Coliform Rule |
| Feb 1, 2023 | Feb 28, 2023 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Feb 28, 2023 | Revised Total Coliform Rule |
| Jan 1, 2023 | Dec 31, 2023 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Dec 31, 2023 | Nitrate Rule |
| Jan 1, 2023 | Dec 31, 2023 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Dec 31, 2023 | Nitrate Rule |
| Jan 1, 2023 | Dec 31, 2023 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Dec 31, 2023 | Nitrate Rule |
| Jan 1, 2021 | Dec 31, 2021 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Dec 31, 2021 | Nitrate Rule |
| Jan 1, 2021 | Dec 31, 2021 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Dec 31, 2021 | Nitrate Rule |
| Jan 1, 2021 | Dec 31, 2021 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Dec 31, 2021 | Nitrate Rule |
| Jan 1, 2021 | Dec 31, 2021 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Dec 31, 2021 | Nitrate Rule |
| Jul 1, 2020 | Jul 31, 2020 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Jul 31, 2020 | Revised Total Coliform Rule |
| Jul 1, 2020 | Jul 31, 2020 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Jul 31, 2020 | Revised Total Coliform Rule |
| Jul 1, 2020 | Jul 31, 2020 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Jul 31, 2020 | Revised Total Coliform Rule |
| Oct 1, 2016 | Oct 31, 2016 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Oct 31, 2016 | Revised Total Coliform Rule |
| Oct 1, 2016 | Oct 31, 2016 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Oct 31, 2016 | Revised Total Coliform Rule |
| Oct 1, 2016 | Oct 31, 2016 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Oct 31, 2016 | Revised Total Coliform Rule |
| Oct 1, 2016 | Oct 31, 2016 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Oct 31, 2016 | Revised Total Coliform Rule |
| Jun 1, 2015 | Jun 30, 2015 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2015 | Total Coliform Rule |
| Jun 1, 2015 | Jun 30, 2015 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2015 | Total Coliform Rule |
| Jun 1, 2015 | Jun 30, 2015 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2015 | Total Coliform Rule |
| Jun 1, 2015 | Jun 30, 2015 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2015 | Total Coliform Rule |
| Aug 1, 2013 | Aug 31, 2013 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2013 | Total Coliform Rule |
| Aug 1, 2013 | Aug 31, 2013 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2013 | Total Coliform Rule |
| Aug 1, 2013 | Aug 31, 2013 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2013 | Total Coliform Rule |
| Jul 1, 2004 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jul 31, 2004 | Lead and Copper 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.