PIONEER SCHOOL DIST 41
Montana — Non-Transient Non-Community — PWSID: MT0001735
System Information
| PWSID | MT0001735 |
| System Name | PIONEER SCHOOL DIST 41 |
| System Type | Non-Transient Non-Community |
| Water Source | Surface Water Purchased |
| Activity Status | Active |
| Owner Type | State |
| EPA Region | 08 |
| Serves School | Yes |
| Wholesaler | No |
| First Reported | Mar 5, 1980 |
| Last Reported | Jan 5, 2026 |
Location & Contact
| State | Montana |
| City | BILLINGS |
| ZIP Code | 59105 |
| Address | 1937 DOVER ROAD |
| Organization | MICHAEL, MARILYN |
| Phone | 406-373-5357 |
Population & Service
| Population Served | 70 |
| Service Connections | 2 |
Drinking Water Violations (180)
This water system has 180 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jun 1, 2018 | Jun 30, 2018 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Jun 25, 2018 | Revised Total Coliform Rule |
| Jun 1, 2018 | Jun 30, 2018 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Jun 25, 2018 | Revised Total Coliform Rule |
| Jun 1, 2018 | Jun 30, 2018 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Jun 25, 2018 | Revised Total Coliform Rule |
| Oct 1, 2015 | Oct 31, 2015 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2015 | Total Coliform Rule |
| Oct 1, 2015 | Oct 31, 2015 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2015 | Total Coliform Rule |
| Oct 1, 2015 | Oct 31, 2015 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2015 | Total Coliform Rule |
| Jul 1, 2015 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jul 20, 2015 | Lead and Copper Rule |
| Jul 1, 2015 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jul 20, 2015 | Lead and Copper Rule |
| Jul 1, 2015 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jul 20, 2015 | Lead and Copper Rule |
| Jun 1, 2015 | Jun 30, 2015 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2015 | Total Coliform Rule |
| Jun 1, 2015 | Jun 30, 2015 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2015 | Total Coliform Rule |
| Jun 1, 2015 | Jun 30, 2015 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2015 | Total Coliform Rule |
| May 1, 2014 | May 31, 2014 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | May 31, 2014 | Total Coliform Rule |
| May 1, 2014 | May 31, 2014 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | May 31, 2014 | Total Coliform Rule |
| May 1, 2014 | May 31, 2014 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | May 31, 2014 | Total Coliform Rule |
| May 1, 2014 | May 31, 2014 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | May 31, 2014 | Total Coliform Rule |
| May 1, 2014 | May 31, 2014 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | May 31, 2014 | Total Coliform Rule |
| May 1, 2014 | May 31, 2014 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | May 31, 2014 | Total Coliform Rule |
| Aug 1, 2013 | — | E. COLI | MR | No | Yes | — | — | — | Resolved | Sep 23, 2013 | Ground Water Rule |
| Aug 1, 2013 | — | E. COLI | MR | No | Yes | — | — | — | Resolved | Sep 23, 2013 | Ground Water Rule |
| Aug 1, 2013 | — | E. COLI | MR | No | Yes | — | — | — | Resolved | Sep 23, 2013 | Ground Water Rule |
| Jan 1, 2011 | Dec 31, 2013 | DICHLOROMETHANE | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Oct 23, 2013 | Volatile Organic Chemicals |
| Jan 1, 2011 | Dec 31, 2013 | DICHLOROMETHANE | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Oct 23, 2013 | Volatile Organic Chemicals |
| Jan 1, 2011 | Dec 31, 2011 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Oct 27, 2011 | Nitrate Rule |
| Jan 1, 2011 | Dec 31, 2011 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Oct 27, 2011 | Nitrate Rule |
| Jan 1, 2011 | Dec 31, 2011 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Oct 27, 2011 | Nitrate Rule |
| Jan 1, 2011 | Dec 31, 2013 | DICHLOROMETHANE | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Oct 23, 2013 | Volatile Organic Chemicals |
| Sep 1, 2009 | Sep 30, 2009 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2009 | Total Coliform Rule |
| Sep 1, 2009 | Sep 30, 2009 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2009 | Total Coliform Rule |
| Sep 1, 2009 | Sep 30, 2009 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2009 | Total Coliform Rule |
| Jul 1, 2005 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Apr 20, 2008 | Lead and Copper Rule |
| Jul 1, 2005 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Apr 20, 2008 | Lead and Copper Rule |
| Jul 1, 2005 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Apr 20, 2008 | Lead and Copper Rule |
| Jul 1, 2005 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Apr 20, 2008 | Lead and Copper Rule |
| Jul 1, 2005 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Apr 20, 2008 | Lead and Copper Rule |
| Jul 1, 2005 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Apr 20, 2008 | Lead and Copper Rule |
| Jul 1, 2005 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Apr 20, 2008 | Lead and Copper Rule |
| Jul 1, 2005 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Apr 20, 2008 | Lead and Copper Rule |
| Jan 1, 2005 | Jun 30, 2005 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jun 30, 2005 | Lead and Copper Rule |
| Jan 1, 2005 | Jun 30, 2005 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jun 30, 2005 | Lead and Copper Rule |
| Jan 1, 2005 | Jun 30, 2005 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jun 30, 2005 | Lead and Copper Rule |
| Jan 1, 2005 | Jun 30, 2005 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jun 30, 2005 | Lead and Copper Rule |
| Jan 1, 2005 | Jun 30, 2005 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jun 30, 2005 | Lead and Copper Rule |
| Jan 1, 2005 | Jun 30, 2005 | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jun 30, 2005 | Lead and Copper Rule |
| Jan 1, 2004 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | May 12, 2006 | Lead and Copper Rule |
| Jan 1, 2004 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | May 12, 2006 | Lead and Copper Rule |
| Jan 1, 2004 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | May 12, 2006 | Lead and Copper Rule |
| Jan 1, 2004 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | May 12, 2006 | Lead and Copper Rule |
| Jan 1, 2004 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | May 12, 2006 | Lead and Copper Rule |
| Jul 1, 2003 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | May 12, 2006 | Lead and Copper Rule |
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.