ARROWHEAD WYOMING LLC
Wyoming - Transient Non-Community - PWSID: WY5600480
System Information
| PWSID | WY5600480 |
| System Name | ARROWHEAD WYOMING LLC |
| 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 | DAYTON |
| ZIP Code | 82836 |
| Address | P.O. Box 634 |
| Organization | WOEHRLE, TRACEY |
| Phone | 307-683-0111 |
Population & Service
| Population Served | 100 |
| Service Connections | 3 |
Drinking Water Violations (62)
This water system has 62 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 11, 2025 | - | RPT | No | No | - | - | - | Resolved | Oct 20, 2025 | - | |
| Sep 1, 2025 | Sep 30, 2025 | MON | No | Yes | - | - | - | Resolved | Sep 30, 2025 | - | |
| Jul 3, 2025 | - | TT | Yes | No | - | - | - | Unaddressed | - | - | |
| Jan 1, 2024 | Dec 31, 2024 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2024 | - | |
| Apr 1, 2019 | Apr 30, 2019 | MON | No | Yes | - | - | - | Resolved | Apr 30, 2019 | - | |
| Sep 8, 2018 | - | TT | Yes | No | - | - | - | Resolved | May 9, 2019 | - | |
| Sep 8, 2018 | - | TT | Yes | No | - | - | - | Resolved | May 9, 2019 | - | |
| Jul 1, 2018 | Jul 31, 2018 | MON | No | Yes | - | - | - | Resolved | Jul 31, 2018 | - | |
| Jul 1, 2018 | Jul 31, 2018 | MON | No | Yes | - | - | - | Resolved | Jul 31, 2018 | - | |
| Apr 25, 2018 | - | TT | Yes | No | - | - | - | Resolved | Sep 6, 2019 | - | |
| Apr 25, 2018 | - | TT | Yes | No | - | - | - | Resolved | Sep 6, 2019 | - | |
| Jul 21, 2017 | - | MR | No | Yes | - | - | - | Resolved | Sep 8, 2017 | - | |
| Jul 21, 2017 | - | MR | No | Yes | - | - | - | Resolved | Sep 8, 2017 | - | |
| Jul 21, 2017 | - | MR | No | Yes | - | - | - | Resolved | Sep 8, 2017 | - | |
| Jul 21, 2017 | - | MR | No | Yes | - | - | - | Resolved | Sep 8, 2017 | - | |
| Jul 21, 2017 | - | MR | No | Yes | - | - | - | Resolved | Sep 8, 2017 | - | |
| Jan 1, 2015 | Mar 31, 2015 | MR | No | No | - | 5% of samples | - | Resolved | Mar 31, 2015 | - | |
| Oct 1, 2014 | Dec 31, 2014 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2014 | - | |
| Dec 9, 2013 | - | TT | Yes | No | - | - | - | Resolved | Aug 23, 2014 | - | |
| Dec 9, 2013 | - | TT | Yes | No | - | - | - | Resolved | Aug 23, 2014 | - | |
| Dec 9, 2013 | - | TT | Yes | No | - | - | - | Resolved | Aug 23, 2014 | - | |
| Nov 10, 2011 | - | Other | No | No | - | - | - | Resolved | Jun 19, 2013 | - | |
| Nov 10, 2011 | - | Other | No | No | - | - | - | Resolved | Jun 19, 2013 | - | |
| Sep 11, 2011 | - | Other | No | No | - | - | - | Resolved | Aug 23, 2014 | - | |
| Sep 11, 2011 | - | Other | No | No | - | - | - | Resolved | Aug 23, 2014 | - | |
| Apr 1, 2009 | Jun 30, 2009 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2009 | - | |
| Jul 1, 2006 | Sep 30, 2006 | MR | No | No | - | 5% of samples | - | Archived | Sep 30, 2006 | - | |
| Jun 1, 2006 | Jun 30, 2006 | MR | No | No | - | 5% of samples | - | Archived | Jun 30, 2006 | - | |
| Oct 1, 2004 | Dec 31, 2004 | MR | No | No | - | 5% of samples | - | Archived | Dec 31, 2004 | - | |
| Sep 1, 2003 | Sep 30, 2003 | MCL | Yes | No | - | 5% of samples | - | Archived | Sep 30, 2003 | - | |
| Aug 1, 2003 | Aug 31, 2003 | MR | No | No | - | 5% of samples | - | Archived | Aug 31, 2003 | - | |
| Aug 1, 2003 | Aug 31, 2003 | MCL | Yes | No | - | 5% of samples | - | Archived | Aug 31, 2003 | - | |
| Jan 1, 2003 | Dec 31, 2003 | MR | No | No | - | 10 mg/L | - | Resolved | Dec 31, 2003 | - | |
| Jan 1, 2003 | Dec 31, 2003 | MR | No | No | - | 10 mg/L | - | Resolved | Dec 31, 2003 | - | |
| Jun 1, 2002 | Jun 30, 2002 | MR | No | No | - | 5% of samples | - | Archived | Jun 30, 2002 | - | |
| Apr 1, 2002 | Jun 30, 2002 | MCL | Yes | No | - | 5% of samples | - | Archived | Jun 30, 2002 | - | |
| Apr 1, 2002 | Jun 30, 2002 | MR | No | No | - | 5% of samples | - | Archived | Jun 30, 2002 | - | |
| Dec 1, 2001 | Dec 31, 2001 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2001 | - | |
| Dec 1, 2001 | Dec 31, 2001 | MR | No | No | - | 5% of samples | - | Resolved | Dec 31, 2001 | - | |
| Nov 1, 2001 | Nov 30, 2001 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2001 | - | |
| Nov 1, 2001 | Nov 30, 2001 | MR | No | No | - | 5% of samples | - | Resolved | Nov 30, 2001 | - | |
| Jul 1, 2001 | Sep 30, 2001 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2001 | - | |
| Jul 1, 2001 | Sep 30, 2001 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2001 | - | |
| Apr 1, 2001 | Jun 30, 2001 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2001 | - | |
| Apr 1, 2001 | Jun 30, 2001 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2001 | - | |
| Apr 1, 2001 | Jun 30, 2001 | MR | No | No | - | 5% of samples | - | Resolved | Jun 30, 2001 | - | |
| Feb 1, 2001 | Feb 28, 2001 | MR | No | No | - | 5% of samples | - | Archived | Feb 28, 2001 | - | |
| Jan 1, 2001 | Dec 31, 2001 | MR | No | Yes | - | - | - | Resolved | Dec 31, 2001 | - | |
| Jan 1, 2001 | Mar 31, 2001 | MR | No | No | - | 5% of samples | - | Archived | Mar 31, 2001 | - | |
| Jan 1, 2001 | Mar 31, 2001 | MR | No | No | - | 5% of samples | - | Resolved | Mar 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.