SURPRISE CREEK COLONY
Montana - Community Water System - PWSID: MT0000391
System Information
| PWSID | MT0000391 |
| System Name | SURPRISE CREEK COLONY |
| 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 | Feb 13, 1979 |
| Last Reported | Jun 29, 2026 |
Location & Contact
| State | Montana |
| City | STANFORD |
| ZIP Code | 59479 |
| Address | BOX 310 |
| Organization | SURPRISE CREEK RANCH COLONY |
| Phone | 406-566-2225 |
Population & Service
| Population Served | 80 |
| Service Connections | 16 |
Drinking Water Violations (154)
This water system has 154 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, 2020 | - | MR | No | No | - | TT | - | Resolved | Jul 7, 2021 | - | |
| Oct 1, 2020 | - | MR | No | No | - | TT | - | Resolved | Jul 7, 2021 | - | |
| Oct 1, 2020 | - | MR | No | No | - | TT | - | Resolved | Jul 7, 2021 | - | |
| Sep 1, 2019 | Aug 31, 2022 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Aug 31, 2022 | - | |
| Sep 1, 2019 | Aug 31, 2022 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Aug 31, 2022 | - | |
| Sep 1, 2019 | Aug 31, 2022 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Aug 31, 2022 | - | |
| Sep 1, 2019 | Aug 31, 2022 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Aug 31, 2022 | - | |
| Sep 1, 2019 | Aug 31, 2022 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Aug 31, 2022 | - | |
| Sep 1, 2019 | Aug 31, 2022 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Aug 31, 2022 | - | |
| Jul 1, 2019 | - | Other | No | No | - | - | - | Resolved | Jul 22, 2019 | - | |
| Jul 1, 2019 | - | Other | No | No | - | - | - | Resolved | Jul 22, 2019 | - | |
| Dec 30, 2014 | - | MR | No | No | - | TT | - | Resolved | Jan 30, 2015 | - | |
| Dec 30, 2014 | - | MR | No | No | - | TT | - | Resolved | Jan 30, 2015 | - | |
| Jul 1, 2014 | - | Other | No | No | - | - | - | Resolved | Jul 21, 2014 | - | |
| Jul 1, 2014 | - | Other | No | No | - | - | - | Resolved | Jul 21, 2014 | - | |
| Jan 1, 2012 | - | MR | No | No | - | TT | - | Resolved | Feb 29, 2012 | - | |
| Jan 1, 2012 | - | MR | No | No | - | TT | - | Resolved | Feb 29, 2012 | - | |
| Nov 1, 2011 | Nov 30, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2011 | - | |
| Jul 1, 2009 | Sep 30, 2009 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2009 | - | |
| Jul 1, 2009 | Sep 30, 2009 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2009 | - | |
| Jul 1, 2009 | Sep 30, 2009 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2009 | - | |
| Jul 1, 2009 | Sep 30, 2009 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2009 | - | |
| Jul 1, 2009 | Sep 30, 2009 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2009 | - | |
| Jul 1, 2009 | Sep 30, 2009 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2009 | - | |
| Jul 1, 2009 | Sep 30, 2009 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2009 | - | |
| Jul 1, 2009 | Sep 30, 2009 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2009 | - | |
| Jul 1, 2009 | Sep 30, 2009 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2009 | - | |
| Jul 1, 2009 | Sep 30, 2009 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2009 | - | |
| Jul 1, 2009 | Sep 30, 2009 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2009 | - | |
| Jul 1, 2009 | Sep 30, 2009 | MR | No | Yes | - | 4.0 mg/L | - | Resolved | Sep 30, 2009 | - | |
| Jul 1, 2007 | - | Other | No | No | - | - | - | Resolved | Jul 31, 2008 | - | |
| Jul 1, 2007 | - | Other | No | No | - | - | - | Resolved | Jul 31, 2008 | - | |
| Jul 1, 2007 | - | Other | No | No | - | - | - | Resolved | Jul 31, 2008 | - | |
| Jan 1, 2006 | Jan 31, 2006 | MR | No | No | - | 5% of samples | - | Resolved | Jan 31, 2006 | - | |
| Jan 1, 2006 | Jan 31, 2006 | MR | No | No | - | 5% of samples | - | Resolved | Jan 31, 2006 | - | |
| Jan 1, 2006 | Jan 31, 2006 | MR | No | No | - | 5% of samples | - | Resolved | Jan 31, 2006 | - | |
| Jan 1, 2005 | Dec 31, 2005 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2005 | - | |
| Jan 1, 2005 | Dec 31, 2005 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2005 | - | |
| Jan 1, 2005 | Dec 31, 2005 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2005 | - | |
| Jan 1, 2005 | Dec 31, 2005 | MR | No | Yes | - | 0.060 mg/L | - | Resolved | Dec 31, 2005 | - | |
| Jan 1, 2005 | Dec 31, 2005 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2005 | - | |
| Jan 1, 2005 | Dec 31, 2005 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Dec 31, 2005 | - | |
| Jun 1, 2000 | Jun 30, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2000 | - | |
| Jun 1, 2000 | Jun 30, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2000 | - | |
| Jun 1, 2000 | Jun 30, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2000 | - | |
| Jun 1, 2000 | Jun 30, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2000 | - | |
| Jun 1, 2000 | Jun 30, 2000 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 2000 | - | |
| Jan 1, 1999 | Dec 31, 2001 | MR | No | Yes | - | 0.007 mg/L | - | Resolved | Dec 31, 2001 | - | |
| Jan 1, 1999 | Dec 31, 2001 | MR | No | Yes | - | 0.007 mg/L | - | Resolved | Dec 31, 2001 | - | |
| Jan 1, 1999 | Dec 31, 2001 | MR | No | Yes | - | 0.02 mg/L | - | Resolved | Dec 31, 2001 | - |
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.