TRIANGLE C RANCH
Wyoming - Transient Non-Community - PWSID: WY5600400
System Information
| PWSID | WY5600400 |
| System Name | TRIANGLE C RANCH |
| System Type | Transient Non-Community |
| 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 | Mar 2, 2026 |
Location & Contact
| State | Wyoming |
| City | DUBOIS |
| ZIP Code | 82513 |
| Address | 3737 Highway 26 |
| Organization | PARK, LORRI |
| Phone | 307-455-2225 |
Population & Service
| Population Served | 67 |
| Service Connections | 14 |
Drinking Water Violations (61)
This water system has 61 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 9, 2025 | - | MR | No | Yes | - | - | - | Resolved | Jul 14, 2025 | - | |
| Jun 1, 2024 | - | TT | Yes | No | - | - | - | Resolved | Jul 21, 2024 | - | |
| Jun 1, 2019 | - | TT | Yes | No | - | - | - | Resolved | May 22, 2020 | - | |
| Jun 1, 2019 | - | TT | Yes | No | - | - | - | Resolved | May 22, 2020 | - | |
| Jun 1, 2019 | - | TT | Yes | No | - | - | - | Resolved | May 22, 2020 | - | |
| Jun 1, 2018 | - | TT | Yes | No | - | - | - | Resolved | May 6, 2020 | - | |
| Jun 1, 2018 | - | TT | Yes | No | - | - | - | Resolved | May 6, 2020 | - | |
| Jun 1, 2018 | - | TT | Yes | No | - | - | - | Resolved | May 6, 2020 | - | |
| Jan 1, 2017 | - | TT | Yes | No | - | - | - | Resolved | May 3, 2017 | - | |
| Jan 1, 2017 | - | TT | Yes | No | - | - | - | Resolved | May 3, 2017 | - | |
| Jan 1, 2017 | - | TT | Yes | No | - | - | - | Resolved | May 3, 2017 | - | |
| Jan 1, 2017 | - | TT | Yes | No | - | - | - | Resolved | May 3, 2017 | - | |
| Jul 1, 2015 | Sep 30, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2015 | - | |
| Oct 1, 2012 | Dec 31, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2012 | - | |
| Oct 1, 2012 | Dec 31, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2012 | - | |
| Jul 1, 2012 | Sep 30, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2012 | - | |
| Jul 1, 2012 | Sep 30, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2012 | - | |
| Apr 1, 2012 | Jun 30, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2012 | - | |
| Apr 1, 2012 | Jun 30, 2012 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2012 | - | |
| Jan 1, 2012 | Dec 31, 2012 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2012 | - | |
| Jan 1, 2012 | Dec 31, 2012 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2012 | - | |
| Jan 1, 2012 | Dec 31, 2012 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2012 | - | |
| Oct 1, 2011 | Dec 31, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2011 | - | |
| Oct 1, 2011 | Dec 31, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2011 | - | |
| Oct 1, 2011 | Dec 31, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2011 | - | |
| Oct 1, 2011 | Dec 31, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2011 | - | |
| Apr 1, 2011 | Jun 30, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2011 | - | |
| Apr 1, 2011 | Jun 30, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2011 | - | |
| Apr 1, 2011 | Jun 30, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2011 | - | |
| Apr 1, 2011 | Jun 30, 2011 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2011 | - | |
| Jul 1, 2010 | Sep 30, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2010 | - | |
| Jul 1, 2010 | Sep 30, 2010 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2010 | - | |
| Jan 1, 2010 | Dec 31, 2010 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2010 | - | |
| Jan 1, 2010 | Dec 31, 2010 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2010 | - | |
| Jan 1, 2010 | Dec 31, 2010 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2010 | - | |
| Jan 1, 2005 | Dec 31, 2005 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2005 | - | |
| Jan 1, 2005 | Dec 31, 2005 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2005 | - | |
| Jan 1, 2005 | Dec 31, 2005 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 2005 | - | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | No | - | 10 mg/L | - | Resolved | Apr 12, 2004 | - | |
| Jan 1, 2004 | Dec 31, 2004 | MR | No | No | - | 10 mg/L | - | Resolved | Apr 12, 2004 | - | |
| Oct 1, 2003 | Dec 31, 2003 | MR | No | No | - | 5% of samples | - | Archived | Dec 31, 2003 | - | |
| Oct 1, 2001 | Dec 31, 2001 | MCL | Yes | No | - | 5% of samples | - | Archived | Dec 31, 2001 | - | |
| Jan 1, 2000 | Mar 31, 2000 | MR | No | No | - | 5% of samples | - | Archived | Mar 31, 2000 | - | |
| Jan 1, 1999 | Mar 31, 1999 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 1999 | - | |
| Jan 1, 1999 | Mar 31, 1999 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 1999 | - | |
| Jul 1, 1998 | Sep 30, 1998 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 1998 | - | |
| Jul 1, 1998 | Sep 30, 1998 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 1998 | - | |
| Apr 1, 1998 | Jun 30, 1998 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 1998 | - | |
| Apr 1, 1998 | Jun 30, 1998 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 1998 | - | |
| Apr 1, 1997 | Jun 30, 1997 | MR | No | No | - | 5% of samples | - | Archived | Jun 30, 1997 | - |
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.