LOLO WATER AND SEWER DIST
Montana — Community Water System — PWSID: MT0000278
System Information
| PWSID | MT0000278 |
| System Name | LOLO WATER AND SEWER DIST |
| System Type | Community Water System |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 08 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Feb 13, 1979 |
| Last Reported | Jan 5, 2026 |
Location & Contact
| State | Montana |
| City | LOLO |
| ZIP Code | 59847 |
| Address | PO BOX 476 |
| Organization | NEESE, JASEN J |
| Phone | 406-544-1458 |
Population & Service
| Population Served | 3,315 |
| Service Connections | 1,243 |
Drinking Water Violations (75)
This water system has 75 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 | Dec 31, 2024 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Dec 31, 2024 | Nitrate Rule |
| Jan 1, 2024 | Dec 31, 2024 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Dec 31, 2024 | Nitrate Rule |
| Jan 1, 2024 | Dec 31, 2024 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Dec 31, 2024 | Nitrate Rule |
| Jul 1, 2022 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Aug 1, 2022 | Consumer Confidence Rule |
| Jul 1, 2022 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Aug 1, 2022 | Consumer Confidence Rule |
| Jan 1, 2018 | Dec 31, 2018 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Dec 31, 2018 | Nitrate Rule |
| Jan 1, 2018 | Dec 31, 2018 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Dec 31, 2018 | Nitrate Rule |
| Jan 1, 2018 | Dec 31, 2018 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Dec 31, 2018 | Nitrate Rule |
| Jan 1, 2018 | Dec 31, 2018 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Dec 31, 2018 | Nitrate Rule |
| Oct 1, 2016 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Oct 26, 2016 | Consumer Confidence Rule |
| Oct 1, 2016 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Oct 26, 2016 | Consumer Confidence Rule |
| Jan 1, 2014 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Feb 7, 2014 | Lead and Copper Rule |
| Jan 1, 2014 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Feb 7, 2014 | Lead and Copper Rule |
| Nov 1, 2013 | Nov 30, 2013 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2013 | Total Coliform Rule |
| Nov 1, 2013 | Nov 30, 2013 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2013 | Total Coliform Rule |
| Nov 1, 2013 | Nov 30, 2013 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2013 | Total Coliform Rule |
| Nov 1, 2013 | Nov 30, 2013 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2013 | Total Coliform Rule |
| Sep 1, 2013 | Sep 30, 2013 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2013 | Total Coliform Rule |
| Sep 1, 2013 | Sep 30, 2013 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2013 | Total Coliform Rule |
| Sep 1, 2013 | Sep 30, 2013 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2013 | Total Coliform Rule |
| Sep 1, 2013 | Sep 30, 2013 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2013 | Total Coliform Rule |
| Jan 1, 2011 | Dec 31, 2013 | Asbestos | MR | No | Yes | — | 7 MFL | — | Resolved | Dec 31, 2013 | Inorganic Chemicals |
| Jan 1, 2011 | Dec 31, 2013 | Asbestos | MR | No | Yes | — | 7 MFL | — | Resolved | Dec 31, 2013 | Inorganic Chemicals |
| Jan 1, 2011 | Dec 31, 2013 | Asbestos | MR | No | Yes | — | 7 MFL | — | Resolved | Dec 31, 2013 | Inorganic Chemicals |
| Jan 1, 2011 | Dec 31, 2013 | Asbestos | MR | No | Yes | — | 7 MFL | — | Resolved | Dec 31, 2013 | Inorganic Chemicals |
| Jul 1, 2010 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jul 28, 2010 | Consumer Confidence Rule |
| Jul 1, 2010 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jul 28, 2010 | Consumer Confidence Rule |
| Jul 1, 2010 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jul 28, 2010 | Consumer Confidence Rule |
| Jun 1, 2008 | Jun 30, 2008 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jun 30, 2008 | Total Coliform Rule |
| Jun 1, 2008 | Jun 30, 2008 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jun 30, 2008 | Total Coliform Rule |
| Jun 1, 2008 | Jun 30, 2008 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jun 30, 2008 | Total Coliform Rule |
| Jun 1, 2008 | Jun 30, 2008 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jun 30, 2008 | Total Coliform Rule |
| Jun 1, 2008 | Jun 30, 2008 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Jun 30, 2008 | Total Coliform Rule |
| Jan 1, 2008 | Dec 31, 2010 | Fluoride | MR | No | Yes | — | 4.0 mg/L | — | Archived | Dec 31, 2010 | Inorganic Chemicals |
| Jan 1, 2008 | Dec 31, 2010 | Arsenic | MR | No | Yes | — | 0.010 mg/L | — | Archived | Dec 31, 2010 | Arsenic Rule |
| Jan 1, 2008 | Dec 31, 2010 | Arsenic | MR | No | Yes | — | 0.010 mg/L | — | Archived | Dec 31, 2010 | Arsenic Rule |
| Nov 1, 2005 | Nov 30, 2005 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2005 | Total Coliform Rule |
| Nov 1, 2005 | Nov 30, 2005 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2005 | Total Coliform Rule |
| Nov 1, 2005 | Nov 30, 2005 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2005 | Total Coliform Rule |
| Nov 1, 2005 | Nov 30, 2005 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2005 | Total Coliform Rule |
| Nov 1, 2005 | Nov 30, 2005 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Nov 30, 2005 | Total Coliform Rule |
| Jul 1, 2005 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Aug 17, 2005 | Consumer Confidence Rule |
| Jul 1, 2005 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Aug 17, 2005 | Consumer Confidence Rule |
| Oct 1, 2004 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Aug 2, 2007 | Lead and Copper Rule |
| Oct 1, 2004 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Aug 2, 2007 | Lead and Copper Rule |
| Oct 1, 2004 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Aug 2, 2007 | Lead and Copper Rule |
| Jan 1, 2003 | Jan 31, 2003 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jan 31, 2003 | Total Coliform Rule |
| Jan 1, 2003 | Jan 31, 2003 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jan 31, 2003 | Total Coliform Rule |
| Jan 1, 2003 | Jan 31, 2003 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jan 31, 2003 | Total Coliform Rule |
| Jan 1, 2003 | Jan 31, 2003 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jan 31, 2003 | Total Coliform 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.