PIONEER WATER SERVICE
Montana - Community Water System - PWSID: MT0004226
System Information
| PWSID | MT0004226 |
| System Name | PIONEER WATER SERVICE |
| System Type | Community Water System |
| Water Source | Surface Water Purchased |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 08 |
| Serves School | No |
| Wholesaler | Yes |
| First Reported | Feb 21, 2002 |
| Last Reported | Mar 26, 2026 |
Location & Contact
| State | Montana |
| City | BILLINGS |
| ZIP Code | 59101 |
| Address | 5518 HOLIDAY AVE |
| Organization | LORENZ, CHAD A |
| Phone | 406-252-8860 |
Population & Service
| Population Served | 900 |
| Service Connections | 1 |
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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 1, 2024 | - | MR | No | No | - | TT | - | Resolved | Sep 23, 2025 | - | |
| Oct 1, 2024 | - | MR | No | No | - | TT | - | Resolved | Sep 23, 2025 | - | |
| Oct 1, 2024 | - | MR | No | No | - | TT | - | Resolved | Sep 23, 2025 | - | |
| Dec 30, 2021 | - | MR | No | No | - | TT | - | Resolved | Jan 7, 2022 | - | |
| Dec 30, 2021 | - | MR | No | No | - | TT | - | Resolved | Jan 7, 2022 | - | |
| Jul 1, 2021 | - | Other | No | No | - | - | - | Resolved | Jun 22, 2022 | - | |
| Jul 1, 2021 | - | Other | No | No | - | - | - | Resolved | Jun 22, 2022 | - | |
| Jul 1, 2020 | - | Other | No | No | - | - | - | Resolved | Sep 29, 2020 | - | |
| Jul 1, 2020 | - | Other | No | No | - | - | - | Resolved | Sep 29, 2020 | - | |
| Jul 1, 2019 | - | Other | No | No | - | - | - | Resolved | Jul 23, 2019 | - | |
| Jul 1, 2019 | - | Other | No | No | - | - | - | Resolved | Jul 23, 2019 | - | |
| Jun 1, 2018 | Jun 30, 2018 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2018 | - | |
| Jun 1, 2018 | Jun 30, 2018 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2018 | - | |
| Jun 1, 2018 | Jun 30, 2018 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2018 | - | |
| Jun 1, 2018 | Jun 30, 2018 | MON | No | Yes | - | - | - | Resolved | Jun 30, 2018 | - | |
| Jul 1, 2017 | Jul 31, 2017 | MON | No | Yes | - | - | - | Resolved | Jul 31, 2017 | - | |
| Jul 1, 2017 | Jul 31, 2017 | MON | No | Yes | - | - | - | Resolved | Jul 31, 2017 | - | |
| Jul 1, 2017 | Jul 31, 2017 | MON | No | Yes | - | - | - | Resolved | Jul 31, 2017 | - | |
| Oct 1, 2012 | - | Other | No | No | - | - | - | Resolved | Nov 23, 2012 | - | |
| Oct 1, 2012 | - | Other | No | No | - | - | - | Resolved | Nov 23, 2012 | - | |
| Jul 1, 2012 | - | Other | No | No | - | - | - | Resolved | Nov 23, 2012 | - | |
| Jul 1, 2012 | - | Other | No | No | - | - | - | Resolved | Nov 23, 2012 | - | |
| Jul 1, 2012 | - | Other | No | No | - | - | - | Resolved | Nov 23, 2012 | - | |
| Sep 1, 2010 | Sep 30, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2010 | - | |
| Sep 1, 2010 | Sep 30, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2010 | - | |
| Sep 1, 2010 | Sep 30, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2010 | - | |
| Oct 1, 2008 | Oct 31, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2008 | - | |
| Oct 1, 2008 | Oct 31, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2008 | - | |
| Oct 1, 2008 | Oct 31, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2008 | - | |
| Oct 1, 2008 | Oct 31, 2008 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2008 | - | |
| Jul 1, 2006 | - | Other | No | No | - | - | - | Resolved | Oct 22, 2008 | - | |
| Jul 1, 2006 | - | Other | No | No | - | - | - | Resolved | Oct 22, 2008 | - | |
| Jul 1, 2006 | - | Other | No | No | - | - | - | Resolved | Oct 22, 2008 | - | |
| Mar 1, 2006 | Mar 31, 2006 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2006 | - | |
| Mar 1, 2006 | Mar 31, 2006 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2006 | - | |
| Mar 1, 2006 | Mar 31, 2006 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2006 | - | |
| Mar 1, 2006 | Mar 31, 2006 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2006 | - | |
| Jul 1, 2005 | - | Other | No | No | - | - | - | Resolved | Aug 12, 2009 | - | |
| Jul 1, 2005 | - | Other | No | No | - | - | - | Resolved | Aug 12, 2009 | - | |
| Jan 1, 2004 | - | MR | No | No | - | TT | - | Resolved | Sep 21, 2005 | - | |
| Jul 1, 2003 | - | MR | No | No | - | TT | - | Resolved | Sep 21, 2005 | - | |
| Jul 1, 2002 | - | MR | No | No | - | TT | - | Resolved | Feb 5, 2004 | - |
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.