TWO BUTTES WATER USERS ASSN
Montana - Community Water System - PWSID: MT0000580
System Information
| PWSID | MT0000580 |
| System Name | TWO BUTTES WATER USERS ASSN |
| 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 | Mar 5, 1980 |
| Last Reported | Mar 26, 2026 |
Location & Contact
| State | Montana |
| City | FORT SHAW |
| ZIP Code | 59443 |
| Address | PO BOX 116 |
| Organization | JOHNSON, JUSTIN S |
| Phone | - |
Population & Service
| Population Served | 525 |
| Service Connections | 126 |
Drinking Water Violations (119)
This water system has 119 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, 2019 | Sep 30, 2020 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Sep 30, 2020 | - | |
| Oct 1, 2019 | Sep 30, 2020 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Sep 30, 2020 | - | |
| Oct 1, 2019 | Sep 30, 2020 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Sep 30, 2020 | - | |
| Oct 1, 2019 | Sep 30, 2020 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Sep 30, 2020 | - | |
| Oct 1, 2019 | Sep 30, 2020 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Sep 30, 2020 | - | |
| Oct 1, 2019 | Sep 30, 2020 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Sep 30, 2020 | - | |
| Oct 1, 2017 | - | Other | No | No | - | - | - | Resolved | Nov 13, 2017 | - | |
| Oct 1, 2017 | - | Other | No | No | - | - | - | Resolved | Nov 13, 2017 | - | |
| Jul 1, 2017 | Sep 30, 2017 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2017 | - | |
| Jul 1, 2017 | Sep 30, 2017 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2017 | - | |
| Jul 1, 2017 | - | Other | No | No | - | - | - | Resolved | Jan 29, 2018 | - | |
| Jul 1, 2017 | - | Other | No | No | - | - | - | Resolved | Jan 29, 2018 | - | |
| Jul 1, 2017 | Sep 30, 2017 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2017 | - | |
| Mar 8, 2017 | - | MR | No | Yes | - | - | - | Resolved | Mar 10, 2017 | - | |
| Mar 8, 2017 | - | MR | No | Yes | - | - | - | Resolved | Mar 10, 2017 | - | |
| Mar 8, 2017 | - | MR | No | Yes | - | - | - | Resolved | Mar 10, 2017 | - | |
| Jul 1, 2016 | Sep 30, 2016 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2016 | - | |
| Jul 1, 2016 | Sep 30, 2016 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2016 | - | |
| Jul 1, 2016 | Sep 30, 2016 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2016 | - | |
| Apr 2, 2016 | - | Other | No | No | - | - | - | Resolved | Feb 20, 2018 | - | |
| Apr 2, 2016 | - | Other | No | No | - | - | - | Resolved | Feb 20, 2018 | - | |
| Apr 2, 2016 | - | Other | No | No | - | - | - | Resolved | Feb 20, 2018 | - | |
| Oct 1, 2015 | - | Other | No | No | - | - | - | Resolved | Nov 2, 2015 | - | |
| Oct 1, 2015 | - | Other | No | No | - | - | - | Resolved | Nov 2, 2015 | - | |
| Jul 1, 2015 | - | Other | No | No | - | - | - | Resolved | Nov 2, 2015 | - | |
| Jul 1, 2015 | - | Other | No | No | - | - | - | Resolved | Nov 2, 2015 | - | |
| Oct 1, 2014 | - | Other | No | No | - | - | - | Resolved | Feb 5, 2015 | - | |
| Oct 1, 2014 | - | Other | No | No | - | - | - | Resolved | Feb 5, 2015 | - | |
| Jul 1, 2014 | - | Other | No | No | - | - | - | Resolved | Feb 5, 2015 | - | |
| Jul 1, 2014 | - | Other | No | No | - | - | - | Resolved | Feb 5, 2015 | - | |
| Jan 1, 2014 | - | MR | No | No | - | TT | - | Resolved | Jan 23, 2014 | - | |
| Jan 1, 2014 | - | MR | No | No | - | TT | - | Resolved | Jan 23, 2014 | - | |
| Oct 1, 2013 | - | Other | No | No | - | - | - | Resolved | Feb 5, 2015 | - | |
| Oct 1, 2013 | - | Other | No | No | - | - | - | Resolved | Feb 5, 2015 | - | |
| Jul 1, 2013 | Sep 30, 2013 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2013 | - | |
| Jul 1, 2013 | Sep 30, 2013 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2013 | - | |
| Jul 1, 2013 | Sep 30, 2013 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2013 | - | |
| Jul 1, 2013 | - | Other | No | No | - | - | - | Resolved | Feb 5, 2015 | - | |
| Jul 1, 2013 | - | Other | No | No | - | - | - | Resolved | Feb 5, 2015 | - | |
| Apr 1, 2013 | Jun 30, 2013 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2013 | - | |
| Apr 1, 2013 | Jun 30, 2013 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2013 | - | |
| Apr 1, 2013 | Jun 30, 2013 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Jun 30, 2013 | - | |
| Oct 1, 2012 | - | Other | No | No | - | - | - | Resolved | Feb 20, 2018 | - | |
| Oct 1, 2012 | - | Other | No | No | - | - | - | Resolved | Feb 20, 2018 | - | |
| Jul 1, 2012 | - | Other | No | No | - | - | - | Resolved | Feb 20, 2018 | - | |
| Jul 1, 2012 | - | Other | No | No | - | - | - | Resolved | Feb 20, 2018 | - | |
| Jul 1, 2012 | - | Other | No | No | - | - | - | Resolved | Feb 20, 2018 | - | |
| Jun 1, 2012 | Jun 30, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2012 | - | |
| Jun 1, 2012 | Jun 30, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2012 | - | |
| Jun 1, 2012 | Jun 30, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2012 | - |
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.