GRANITE PARK WATER ASSOCIATION
Montana — Community Water System — PWSID: MT0004563
System Information
| PWSID | MT0004563 |
| System Name | GRANITE PARK WATER ASSOCIATION |
| 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 | May 1, 2008 |
| Last Reported | Mar 26, 2026 |
Location & Contact
| State | Montana |
| City | BILLINGS |
| ZIP Code | 59101 |
| Address | 420 NORTH 17TH STREET |
| Organization | STONE, SPENCER M |
| Phone | 406-652-5523 |
Population & Service
| Population Served | 250 |
| Service Connections | 120 |
Drinking Water Violations (51)
This water system has 51 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, 2024 | Mar 31, 2024 | MCL | Yes | No | 10.8 MG/L | — | 10 | Archived | Mar 31, 2024 | — | |
| Jan 1, 2024 | Mar 31, 2024 | MCL | Yes | No | 10.8 MG/L | — | 10 | Archived | Mar 31, 2024 | — | |
| Jan 1, 2024 | Mar 31, 2024 | MCL | Yes | No | 10.8 MG/L | — | 10 | Archived | Mar 31, 2024 | — | |
| Jan 1, 2024 | Mar 31, 2024 | MCL | Yes | No | 10.8 MG/L | — | 10 | Archived | Mar 31, 2024 | — | |
| Jul 1, 2023 | — | Other | No | No | — | — | — | Resolved | Jul 5, 2023 | — | |
| Jul 1, 2023 | — | Other | No | No | — | — | — | Resolved | Jul 5, 2023 | — | |
| Apr 1, 2023 | Jun 30, 2023 | MR | No | Yes | — | — | — | Resolved | Jun 30, 2023 | — | |
| Apr 1, 2023 | Jun 30, 2023 | MR | No | Yes | — | — | — | Resolved | Jun 30, 2023 | — | |
| Apr 1, 2023 | Jun 30, 2023 | MR | No | Yes | — | — | — | Resolved | Jun 30, 2023 | — | |
| Apr 1, 2023 | Jun 30, 2023 | MR | No | Yes | — | — | — | Resolved | Jun 30, 2023 | — | |
| Sep 7, 2020 | — | MR | No | Yes | — | — | — | Resolved | Oct 14, 2020 | — | |
| Sep 7, 2020 | — | MR | No | Yes | — | — | — | Resolved | Oct 14, 2020 | — | |
| Sep 7, 2020 | — | MR | No | Yes | — | — | — | Resolved | Oct 14, 2020 | — | |
| Sep 7, 2020 | — | MR | No | Yes | — | — | — | Resolved | Oct 14, 2020 | — | |
| Sep 1, 2018 | Aug 31, 2021 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Aug 31, 2021 | — | |
| Sep 1, 2018 | Aug 31, 2021 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Aug 31, 2021 | — | |
| Sep 1, 2018 | Aug 31, 2021 | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Aug 31, 2021 | — | |
| Sep 1, 2018 | Aug 31, 2021 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Aug 31, 2021 | — | |
| Sep 1, 2018 | Aug 31, 2021 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Aug 31, 2021 | — | |
| Sep 1, 2018 | Aug 31, 2021 | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Aug 31, 2021 | — | |
| Nov 3, 2016 | — | MR | No | Yes | — | — | — | Resolved | Jan 3, 2017 | — | |
| Nov 3, 2016 | — | MR | No | Yes | — | — | — | Resolved | Jan 3, 2017 | — | |
| Nov 3, 2016 | — | MR | No | Yes | — | — | — | Resolved | Jan 3, 2017 | — | |
| Jan 1, 2015 | Dec 31, 2015 | MR | No | Yes | — | 0.006 mg/L | — | Resolved | Dec 31, 2015 | — | |
| Jan 1, 2015 | Dec 31, 2015 | MR | No | Yes | — | 0.006 mg/L | — | Resolved | Dec 31, 2015 | — | |
| Jan 1, 2015 | Dec 31, 2015 | MR | No | Yes | — | 0.006 mg/L | — | Resolved | Dec 31, 2015 | — | |
| Dec 30, 2014 | — | MR | No | No | — | TT | — | Resolved | Nov 6, 2017 | — | |
| Dec 30, 2014 | — | MR | No | No | — | TT | — | Resolved | Nov 6, 2017 | — | |
| 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 | — | |
| Jan 1, 2009 | Mar 31, 2009 | MR | No | Yes | — | 15 pCi/L | — | Resolved | Mar 31, 2009 | — | |
| Jan 1, 2009 | Dec 31, 2009 | MR | No | Yes | — | — | — | Resolved | Dec 31, 2009 | — | |
| Jan 1, 2009 | Dec 31, 2009 | MR | No | Yes | — | — | — | Resolved | Dec 31, 2009 | — | |
| Jan 1, 2009 | Dec 31, 2009 | MR | No | Yes | — | — | — | Resolved | Dec 31, 2009 | — | |
| Jan 1, 2009 | Mar 31, 2009 | MR | No | Yes | — | 15 pCi/L | — | Resolved | Mar 31, 2009 | — | |
| Jan 1, 2009 | Mar 31, 2009 | MR | No | Yes | — | 15 pCi/L | — | Resolved | Mar 31, 2009 | — | |
| Jul 1, 2008 | Sep 30, 2008 | MR | No | Yes | — | 15 pCi/L | — | Resolved | Sep 30, 2008 | — | |
| Jul 1, 2008 | Sep 30, 2008 | MR | No | Yes | — | 15 pCi/L | — | Resolved | Sep 30, 2008 | — | |
| Jul 1, 2008 | Sep 30, 2008 | MR | No | Yes | — | 15 pCi/L | — | Resolved | Sep 30, 2008 | — | |
| Jul 1, 2008 | Sep 30, 2008 | MR | No | Yes | — | 5 pCi/L | — | Resolved | Sep 30, 2008 | — | |
| Jul 1, 2008 | Sep 30, 2008 | MR | No | Yes | — | 5 pCi/L | — | Resolved | Sep 30, 2008 | — | |
| Jul 1, 2008 | Sep 30, 2008 | MR | No | Yes | — | 5 pCi/L | — | Resolved | Sep 30, 2008 | — | |
| Apr 1, 2008 | Jun 30, 2008 | MR | No | Yes | — | 5 pCi/L | — | Resolved | Jun 30, 2008 | — | |
| Apr 1, 2008 | Jun 30, 2008 | MR | No | Yes | — | 15 pCi/L | — | Resolved | Jun 30, 2008 | — | |
| Apr 1, 2008 | Jun 30, 2008 | MR | No | Yes | — | 15 pCi/L | — | Resolved | Jun 30, 2008 | — | |
| Apr 1, 2008 | Jun 30, 2008 | MR | No | Yes | — | 15 pCi/L | — | Resolved | Jun 30, 2008 | — | |
| Apr 1, 2008 | Jun 30, 2008 | MR | No | Yes | — | 5 pCi/L | — | Resolved | Jun 30, 2008 | — | |
| Apr 1, 2008 | Jun 30, 2008 | MR | No | Yes | — | 5 pCi/L | — | Resolved | Jun 30, 2008 | — | |
| — | — | — | No | No | — | — | — | — | — | — |
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.