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 | Mar 26, 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 | MON | No | Yes | - | - | - | Resolved | Jun 25, 2018 | - | |
| Jun 1, 2018 | Jun 30, 2018 | MON | No | Yes | - | - | - | Resolved | Jun 25, 2018 | - | |
| Jun 1, 2018 | Jun 30, 2018 | MON | No | Yes | - | - | - | Resolved | Jun 25, 2018 | - | |
| Oct 1, 2015 | Oct 31, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2015 | - | |
| Oct 1, 2015 | Oct 31, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2015 | - | |
| Oct 1, 2015 | Oct 31, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 2015 | - | |
| Jul 1, 2015 | - | MR | No | No | - | TT | - | Resolved | Jul 20, 2015 | - | |
| Jul 1, 2015 | - | MR | No | No | - | TT | - | Resolved | Jul 20, 2015 | - | |
| Jul 1, 2015 | - | MR | No | No | - | TT | - | Resolved | Jul 20, 2015 | - | |
| Jun 1, 2015 | Jun 30, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2015 | - | |
| Jun 1, 2015 | Jun 30, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2015 | - | |
| Jun 1, 2015 | Jun 30, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2015 | - | |
| May 1, 2014 | May 31, 2014 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 2014 | - | |
| May 1, 2014 | May 31, 2014 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 2014 | - | |
| May 1, 2014 | May 31, 2014 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 2014 | - | |
| May 1, 2014 | May 31, 2014 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 2014 | - | |
| May 1, 2014 | May 31, 2014 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 2014 | - | |
| May 1, 2014 | May 31, 2014 | MCL | Yes | No | - | 5% of samples | - | Resolved | May 31, 2014 | - | |
| Aug 1, 2013 | - | MR | No | Yes | - | - | - | Resolved | Sep 23, 2013 | - | |
| Aug 1, 2013 | - | MR | No | Yes | - | - | - | Resolved | Sep 23, 2013 | - | |
| Aug 1, 2013 | - | MR | No | Yes | - | - | - | Resolved | Sep 23, 2013 | - | |
| Jan 1, 2011 | Dec 31, 2011 | MR | No | Yes | - | - | - | Resolved | Oct 27, 2011 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Oct 23, 2013 | - | |
| Jan 1, 2011 | Dec 31, 2011 | MR | No | Yes | - | - | - | Resolved | Oct 27, 2011 | - | |
| Jan 1, 2011 | Dec 31, 2011 | MR | No | Yes | - | - | - | Resolved | Oct 27, 2011 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Oct 23, 2013 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 0.005 mg/L | - | Resolved | Oct 23, 2013 | - | |
| Sep 1, 2009 | Sep 30, 2009 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2009 | - | |
| Sep 1, 2009 | Sep 30, 2009 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2009 | - | |
| Sep 1, 2009 | Sep 30, 2009 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2009 | - | |
| Jul 1, 2005 | - | MR | No | No | - | TT | - | Resolved | Apr 20, 2008 | - | |
| Jul 1, 2005 | - | MR | No | No | - | TT | - | Resolved | Apr 20, 2008 | - | |
| Jul 1, 2005 | - | MR | No | No | - | TT | - | Resolved | Apr 20, 2008 | - | |
| Jul 1, 2005 | - | MR | No | No | - | TT | - | Resolved | Apr 20, 2008 | - | |
| Jul 1, 2005 | - | MR | No | No | - | TT | - | Resolved | Apr 20, 2008 | - | |
| Jul 1, 2005 | - | MR | No | No | - | TT | - | Resolved | Apr 20, 2008 | - | |
| Jul 1, 2005 | - | MR | No | No | - | TT | - | Resolved | Apr 20, 2008 | - | |
| Jul 1, 2005 | - | MR | No | No | - | TT | - | Resolved | Apr 20, 2008 | - | |
| Jan 1, 2005 | Jun 30, 2005 | MR | No | No | - | TT | - | Resolved | Jun 30, 2005 | - | |
| Jan 1, 2005 | Jun 30, 2005 | MR | No | No | - | TT | - | Resolved | Jun 30, 2005 | - | |
| Jan 1, 2005 | Jun 30, 2005 | MR | No | No | - | TT | - | Resolved | Jun 30, 2005 | - | |
| Jan 1, 2005 | Jun 30, 2005 | MR | No | No | - | TT | - | Resolved | Jun 30, 2005 | - | |
| Jan 1, 2005 | Jun 30, 2005 | MR | No | No | - | TT | - | Resolved | Jun 30, 2005 | - | |
| Jan 1, 2005 | Jun 30, 2005 | MR | No | No | - | TT | - | Resolved | Jun 30, 2005 | - | |
| Jan 1, 2004 | - | MR | No | No | - | TT | - | Resolved | May 12, 2006 | - | |
| Jan 1, 2004 | - | MR | No | No | - | TT | - | Resolved | May 12, 2006 | - | |
| Jan 1, 2004 | - | MR | No | No | - | TT | - | Resolved | May 12, 2006 | - | |
| Jan 1, 2004 | - | MR | No | No | - | TT | - | Resolved | May 12, 2006 | - | |
| Jan 1, 2004 | - | MR | No | No | - | TT | - | Resolved | May 12, 2006 | - | |
| Jul 1, 2003 | - | MR | No | No | - | TT | - | Resolved | May 12, 2006 | - |
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.