COTTONWOOD ESTATES
Montana - Community Water System - PWSID: MT0004006
System Information
| PWSID | MT0004006 |
| System Name | COTTONWOOD ESTATES |
| 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 | Sep 3, 1998 |
| Last Reported | Mar 26, 2026 |
Location & Contact
| State | Montana |
| City | GREYCLIFF |
| ZIP Code | 59033 |
| Address | PO BOX 5 |
| Organization | SMITH, THOMAS R. |
| Phone | 406-930-2074 |
Population & Service
| Population Served | 50 |
| Service Connections | 17 |
Drinking Water Violations (69)
This water system has 69 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Feb 18, 2020 | - | MR | No | Yes | - | - | - | Resolved | Mar 9, 2020 | - | |
| Feb 18, 2020 | - | MR | No | Yes | - | - | - | Resolved | Mar 9, 2020 | - | |
| Feb 18, 2020 | - | MR | No | Yes | - | - | - | Resolved | Mar 9, 2020 | - | |
| Dec 30, 2014 | - | MR | No | No | - | TT | - | Resolved | Mar 5, 2015 | - | |
| Dec 30, 2014 | - | MR | No | No | - | TT | - | Resolved | Mar 5, 2015 | - | |
| Oct 1, 2014 | - | Other | No | No | - | - | - | Resolved | Nov 3, 2014 | - | |
| Oct 1, 2014 | - | Other | No | No | - | - | - | Resolved | Nov 3, 2014 | - | |
| Jul 1, 2014 | - | Other | No | No | - | - | - | Resolved | Nov 3, 2014 | - | |
| Jul 1, 2014 | - | Other | No | No | - | - | - | Resolved | Nov 3, 2014 | - | |
| Oct 1, 2013 | - | MR | No | No | - | TT | - | Resolved | Sep 4, 2014 | - | |
| Oct 1, 2013 | - | MR | No | No | - | TT | - | Resolved | Sep 4, 2014 | - | |
| Oct 1, 2013 | - | MR | No | No | - | TT | - | Resolved | Sep 4, 2014 | - | |
| Oct 1, 2013 | - | MR | No | No | - | TT | - | Resolved | Sep 4, 2014 | - | |
| Jul 1, 2012 | - | Other | No | No | - | - | - | Resolved | Oct 12, 2012 | - | |
| Jul 1, 2012 | - | Other | No | No | - | - | - | Resolved | Oct 12, 2012 | - | |
| Jul 1, 2012 | - | Other | No | No | - | - | - | Resolved | Oct 12, 2012 | - | |
| Oct 1, 2011 | - | Other | No | No | - | - | - | Resolved | Dec 19, 2011 | - | |
| Oct 1, 2011 | - | Other | No | No | - | - | - | Resolved | Dec 19, 2011 | - | |
| Oct 1, 2011 | - | Other | No | No | - | - | - | Resolved | Dec 19, 2011 | - | |
| Jul 1, 2011 | - | Other | No | No | - | - | - | Resolved | Dec 19, 2011 | - | |
| Jul 1, 2011 | - | Other | No | No | - | - | - | Resolved | Dec 19, 2011 | - | |
| Jul 1, 2011 | - | Other | No | No | - | - | - | Resolved | Dec 19, 2011 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 7 MFL | - | Resolved | Dec 31, 2013 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 7 MFL | - | Resolved | Dec 31, 2013 | - | |
| Jan 1, 2011 | Dec 31, 2013 | MR | No | Yes | - | 7 MFL | - | Resolved | Dec 31, 2013 | - | |
| Jul 1, 2010 | - | Other | No | No | - | - | - | Resolved | Jul 29, 2010 | - | |
| Jul 1, 2010 | - | Other | No | No | - | - | - | Resolved | Jul 29, 2010 | - | |
| Jul 1, 2010 | - | Other | No | No | - | - | - | Resolved | Jul 29, 2010 | - | |
| Nov 1, 2009 | Nov 30, 2009 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 2009 | - | |
| Nov 1, 2009 | Nov 30, 2009 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 2009 | - | |
| Nov 1, 2009 | Nov 30, 2009 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 2009 | - | |
| Nov 1, 2009 | Nov 30, 2009 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 2009 | - | |
| Nov 1, 2009 | Nov 30, 2009 | MCL | Yes | No | - | 5% of samples | - | Resolved | Nov 30, 2009 | - | |
| Jul 1, 2009 | Jul 31, 2009 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2009 | - | |
| Jul 1, 2009 | Jul 31, 2009 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2009 | - | |
| Jul 1, 2009 | Jul 31, 2009 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2009 | - | |
| Jul 1, 2009 | Jul 31, 2009 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2009 | - | |
| Jul 1, 2009 | Jul 31, 2009 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 2009 | - | |
| Oct 1, 2007 | Oct 31, 2007 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2007 | - | |
| Oct 1, 2007 | Oct 31, 2007 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2007 | - | |
| Oct 1, 2007 | Oct 31, 2007 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2007 | - | |
| Oct 1, 2007 | Oct 31, 2007 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2007 | - | |
| Oct 1, 2007 | Oct 31, 2007 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2007 | - | |
| Oct 1, 2007 | Oct 31, 2007 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 2007 | - | |
| Feb 5, 2007 | - | Other | No | No | - | - | - | Resolved | Feb 14, 2007 | - | |
| Feb 5, 2007 | - | Other | No | No | - | - | - | Resolved | Feb 14, 2007 | - | |
| Jan 1, 2007 | Jan 31, 2007 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jan 31, 2007 | - | |
| Jan 1, 2007 | Jan 31, 2007 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jan 31, 2007 | - | |
| Jan 1, 2007 | Jan 31, 2007 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jan 31, 2007 | - | |
| Jan 1, 2007 | Jan 31, 2007 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jan 31, 2007 | - |
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.