LITTLE BIGHORN BATTLEFIELD NM
Montana - Non-Transient Non-Community - PWSID: MT0000191
System Information
| PWSID | MT0000191 |
| System Name | LITTLE BIGHORN BATTLEFIELD NM |
| System Type | Non-Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Federal |
| EPA Region | 08 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 13, 1979 |
| Last Reported | Mar 26, 2026 |
Location & Contact
| State | Montana |
| City | CROW AGENCY |
| ZIP Code | 59022 |
| Address | PO BOX 39 |
| Organization | PEACOCK, KELLY |
| Phone | 406-679-0384 |
Population & Service
| Population Served | 2,020 |
| Service Connections | 11 |
Drinking Water Violations (42)
This water system has 42 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jan 1, 2022 | Dec 31, 2022 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2022 | Dec 31, 2022 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2022 | Dec 31, 2022 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2022 | Dec 31, 2022 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2022 | - | |
| Jan 1, 2021 | Jul 31, 2021 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Jul 31, 2021 | - | |
| Jan 1, 2021 | Jul 31, 2021 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Jul 31, 2021 | - | |
| Jan 1, 2021 | Jul 31, 2021 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Jul 31, 2021 | - | |
| Jan 1, 2021 | Jul 31, 2021 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Jul 31, 2021 | - | |
| Jan 1, 2021 | Jul 31, 2021 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Jul 31, 2021 | - | |
| Jan 1, 2021 | Jul 31, 2021 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Jul 31, 2021 | - | |
| Dec 30, 2020 | - | MR | No | No | - | TT | - | Resolved | Jan 27, 2021 | - | |
| Dec 30, 2020 | - | MR | No | No | - | TT | - | Resolved | Jan 27, 2021 | - | |
| Oct 1, 2019 | - | MR | No | No | - | TT | - | Resolved | Aug 25, 2020 | - | |
| Oct 1, 2019 | - | MR | No | No | - | TT | - | Resolved | Aug 25, 2020 | - | |
| Oct 1, 2019 | - | MR | No | No | - | TT | - | Resolved | Aug 25, 2020 | - | |
| Sep 1, 2018 | Aug 31, 2019 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Aug 31, 2019 | - | |
| Sep 1, 2018 | Aug 31, 2019 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Aug 31, 2019 | - | |
| Sep 1, 2018 | Aug 31, 2019 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Aug 31, 2019 | - | |
| Sep 1, 2018 | Aug 31, 2019 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Aug 31, 2019 | - | |
| Sep 1, 2018 | Aug 31, 2019 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Aug 31, 2019 | - | |
| Sep 1, 2018 | Aug 31, 2019 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Aug 31, 2019 | - | |
| Jan 1, 2014 | - | MR | No | No | - | TT | - | Resolved | Feb 10, 2014 | - | |
| Jan 1, 2014 | - | MR | No | No | - | TT | - | Resolved | Feb 10, 2014 | - | |
| Jan 1, 2012 | Dec 31, 2012 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2012 | - | |
| Jan 1, 2012 | Dec 31, 2012 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2012 | - | |
| Jan 1, 2012 | Dec 31, 2012 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2012 | - | |
| Jan 1, 2012 | Dec 31, 2012 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2012 | - | |
| Nov 1, 2011 | Nov 30, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2011 | - | |
| Nov 1, 2011 | Nov 30, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2011 | - | |
| Nov 1, 2011 | Nov 30, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2011 | - | |
| Nov 1, 2011 | Nov 30, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2011 | - | |
| Jan 1, 2011 | - | MR | No | No | - | TT | - | Resolved | Feb 15, 2011 | - | |
| Jan 1, 2011 | - | MR | No | No | - | TT | - | Resolved | Feb 15, 2011 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 7 MFL | - | Archived | Dec 31, 2013 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 7 MFL | - | Archived | Dec 31, 2013 | - | |
| Oct 1, 2004 | - | MR | No | No | - | TT | - | Resolved | Sep 18, 2007 | - | |
| Oct 1, 2004 | - | MR | No | No | - | TT | - | Resolved | Sep 18, 2007 | - | |
| Oct 1, 2004 | - | MR | No | No | - | TT | - | Resolved | Sep 18, 2007 | - | |
| Apr 1, 1999 | Apr 30, 1999 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 1999 | - | |
| Apr 1, 1999 | Apr 30, 1999 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 1999 | - | |
| Apr 1, 1999 | Apr 30, 1999 | MR | No | No | - | 5% of samples | - | Resolved | Apr 30, 1999 | - | |
| Jan 1, 1996 | Dec 31, 1998 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Dec 31, 1998 | - |
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.