INDIAN SPRINGS RANCH SUB
Montana - Community Water System - PWSID: MT0004611
System Information
| PWSID | MT0004611 |
| System Name | INDIAN SPRINGS RANCH SUB |
| 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 | Jun 29, 2011 |
| Last Reported | Mar 26, 2026 |
Location & Contact
| State | Montana |
| City | EUREKA |
| ZIP Code | 59917 |
| Address | PO BOX 226 |
| Organization | TRUMAN, TROY |
| Phone | 406-889-5058 |
Population & Service
| Population Served | 455 |
| Service Connections | 204 |
Drinking Water Violations (45)
This water system has 45 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Apr 1, 2025 | - | MR | No | No | - | TT | - | Resolved | Jun 5, 2025 | - | |
| Apr 1, 2025 | - | MR | No | No | - | TT | - | Resolved | Jun 5, 2025 | - | |
| Apr 1, 2025 | - | MR | No | No | - | TT | - | Resolved | Jun 5, 2025 | - | |
| Jul 1, 2024 | Sep 30, 2024 | MR | No | Yes | - | 5 pCi/L | - | Resolved | Sep 30, 2024 | - | |
| Jul 1, 2024 | Sep 30, 2024 | MR | No | Yes | - | 5 pCi/L | - | Resolved | Sep 30, 2024 | - | |
| Jul 1, 2024 | Sep 30, 2024 | MR | No | Yes | - | 5 pCi/L | - | Resolved | Sep 30, 2024 | - | |
| Jul 1, 2024 | Sep 30, 2024 | MR | No | Yes | - | 15 pCi/L | - | Resolved | Sep 30, 2024 | - | |
| Jul 1, 2024 | Sep 30, 2024 | MR | No | Yes | - | 15 pCi/L | - | Resolved | Sep 30, 2024 | - | |
| Jul 1, 2024 | Sep 30, 2024 | MR | No | Yes | - | 15 pCi/L | - | Resolved | Sep 30, 2024 | - | |
| Apr 1, 2024 | Jun 30, 2024 | MR | No | Yes | - | 15 pCi/L | - | Resolved | Jun 30, 2024 | - | |
| Apr 1, 2024 | Jun 30, 2024 | MR | No | Yes | - | 5 pCi/L | - | Resolved | Jun 30, 2024 | - | |
| Apr 1, 2024 | Jun 30, 2024 | MR | No | Yes | - | 5 pCi/L | - | Resolved | Jun 30, 2024 | - | |
| Apr 1, 2024 | Jun 30, 2024 | MR | No | Yes | - | 5 pCi/L | - | Resolved | Jun 30, 2024 | - | |
| Apr 1, 2024 | Jun 30, 2024 | MR | No | Yes | - | 15 pCi/L | - | Resolved | Jun 30, 2024 | - | |
| Apr 1, 2024 | Jun 30, 2024 | MR | No | Yes | - | 15 pCi/L | - | Resolved | Jun 30, 2024 | - | |
| Dec 6, 2023 | - | MR | No | Yes | - | - | - | Resolved | Dec 26, 2023 | - | |
| Dec 6, 2023 | - | MR | No | Yes | - | - | - | Resolved | Dec 26, 2023 | - | |
| Dec 6, 2023 | - | MR | No | Yes | - | - | - | Resolved | Dec 26, 2023 | - | |
| Sep 6, 2022 | - | MR | No | Yes | - | - | - | Resolved | Sep 13, 2022 | - | |
| Sep 6, 2022 | - | MR | No | Yes | - | - | - | Resolved | Sep 13, 2022 | - | |
| Sep 6, 2022 | - | MR | No | Yes | - | - | - | Resolved | Sep 13, 2022 | - | |
| May 1, 2022 | May 31, 2022 | MON | No | Yes | - | - | - | Resolved | May 31, 2022 | - | |
| May 1, 2022 | May 31, 2022 | MON | No | Yes | - | - | - | Resolved | May 31, 2022 | - | |
| May 1, 2022 | May 31, 2022 | MON | No | Yes | - | - | - | Resolved | May 31, 2022 | - | |
| Nov 1, 2020 | Nov 30, 2020 | MON | No | Yes | - | - | - | Resolved | Nov 30, 2020 | - | |
| Nov 1, 2020 | Nov 30, 2020 | MON | No | Yes | - | - | - | Resolved | Nov 30, 2020 | - | |
| Nov 1, 2020 | Nov 30, 2020 | MON | No | Yes | - | - | - | Resolved | Nov 30, 2020 | - | |
| Aug 1, 2013 | Aug 31, 2013 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 20, 2013 | - | |
| Aug 1, 2013 | Aug 31, 2013 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 20, 2013 | - | |
| Aug 1, 2013 | Aug 31, 2013 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 20, 2013 | - | |
| Aug 1, 2013 | Aug 31, 2013 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 20, 2013 | - | |
| Aug 1, 2013 | Aug 31, 2013 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 20, 2013 | - | |
| Jul 1, 2013 | - | MR | No | Yes | - | - | - | Resolved | Sep 30, 2015 | - | |
| Jul 1, 2013 | - | MR | No | Yes | - | - | - | Resolved | Sep 30, 2015 | - | |
| Jul 1, 2013 | - | MR | No | Yes | - | - | - | Resolved | Sep 30, 2015 | - | |
| Aug 1, 2012 | Aug 31, 2012 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2012 | - | |
| Aug 1, 2012 | Aug 31, 2012 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2012 | - | |
| Aug 1, 2012 | Aug 31, 2012 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2012 | - | |
| Aug 1, 2012 | Aug 31, 2012 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2012 | - | |
| Aug 1, 2012 | Aug 31, 2012 | MCL | Yes | No | - | 5% of samples | - | Resolved | Aug 31, 2012 | - | |
| Sep 1, 2011 | Sep 30, 2011 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2011 | - | |
| Sep 1, 2011 | Sep 30, 2011 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2011 | - | |
| Sep 1, 2011 | Sep 30, 2011 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2011 | - | |
| Sep 1, 2011 | Sep 30, 2011 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2011 | - | |
| Sep 1, 2011 | Sep 30, 2011 | MCL | Yes | No | - | 5% of samples | - | Resolved | Sep 30, 2011 | - |
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.