HALF MOON LAKE LODGE
Wyoming - Transient Non-Community - PWSID: WY5600475
System Information
| PWSID | WY5600475 |
| System Name | HALF MOON LAKE LODGE |
| System Type | Transient Non-Community |
| Water Source | Surface 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 | PINEDALE |
| ZIP Code | 82941 |
| Address | P.O. Box 687 |
| Organization | OLSON, CHRISTINE |
| Phone | 307-367-6373 |
Population & Service
| Population Served | 115 |
| Service Connections | 8 |
Drinking Water Violations (42)
This water system has 42 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 1, 2022 | Jul 31, 2022 | MR | No | Yes | - | - | - | Resolved | Jul 31, 2022 | - | |
| May 1, 2018 | May 31, 2018 | MON | No | Yes | - | - | - | Resolved | May 31, 2018 | - | |
| Aug 1, 2006 | Aug 31, 2006 | TT | Yes | No | - | - | - | Resolved | Aug 31, 2006 | - | |
| Aug 1, 2006 | Aug 31, 2006 | TT | Yes | No | - | - | - | Resolved | Aug 31, 2006 | - | |
| Jul 1, 2005 | Jul 31, 2005 | MR | No | Yes | - | - | - | Resolved | Jul 31, 2005 | - | |
| Jul 1, 2005 | Jul 31, 2005 | TT | Yes | No | - | - | - | Resolved | Jul 31, 2005 | - | |
| Jul 1, 2005 | Jul 31, 2005 | MR | No | Yes | - | - | - | Resolved | Jul 31, 2005 | - | |
| Jul 1, 2005 | Jul 31, 2005 | TT | Yes | No | - | - | - | Resolved | Jul 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 | - | |
| Aug 1, 2004 | Aug 31, 2004 | MR | No | No | - | 5% of samples | - | Archived | Aug 31, 2004 | - | |
| 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 | - | |
| Sep 1, 2002 | Sep 30, 2002 | TT | Yes | No | - | - | - | Resolved | Sep 30, 2002 | - | |
| Sep 1, 2002 | Sep 30, 2002 | TT | Yes | No | - | - | - | Resolved | Sep 30, 2002 | - | |
| Sep 1, 1998 | Sep 30, 1998 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 1998 | - | |
| Sep 1, 1998 | Sep 30, 1998 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 1998 | - | |
| Jul 1, 1998 | Jul 31, 1998 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 1998 | - | |
| Jul 1, 1998 | Jul 31, 1998 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 1998 | - | |
| Jan 1, 1998 | Dec 31, 1998 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 1998 | - | |
| Jan 1, 1998 | Dec 31, 1998 | MR | No | Yes | - | 10 mg/L | - | Resolved | Dec 31, 1998 | - | |
| Sep 1, 1997 | Sep 30, 1997 | MR | No | No | - | 5% of samples | - | Archived | Sep 30, 1997 | - | |
| Jun 1, 1997 | Jun 30, 1997 | TT | Yes | No | - | - | - | Archived | Jun 30, 1997 | - | |
| Jul 1, 1996 | Jul 31, 1996 | MCL | Yes | No | - | 5% of samples | - | Archived | Jul 31, 1996 | - | |
| Oct 1, 1994 | Oct 31, 1994 | MR | No | No | - | 5% of samples | - | Archived | Oct 31, 1994 | - | |
| Sep 1, 1994 | Sep 30, 1994 | MR | No | No | - | 5% of samples | - | Archived | Sep 30, 1994 | - | |
| Jan 1, 1994 | Dec 31, 1994 | MR | No | Yes | - | 10 mg/L | - | Archived | Dec 31, 1994 | - | |
| Oct 1, 1993 | Oct 31, 1993 | TT | Yes | No | - | - | - | Archived | Oct 31, 1993 | - | |
| Sep 1, 1993 | Sep 30, 1993 | MR | No | No | - | 5% of samples | - | Archived | Sep 30, 1993 | - | |
| Sep 1, 1993 | Sep 30, 1993 | TT | Yes | No | - | - | - | Archived | Sep 30, 1993 | - | |
| Sep 1, 1993 | Sep 30, 1993 | MR | No | Yes | - | 5% of samples | - | Archived | Sep 30, 1993 | - | |
| Aug 9, 1993 | Sep 8, 1993 | MR | No | No | - | 5% of samples | - | Archived | Sep 8, 1993 | - | |
| Aug 1, 1993 | Aug 31, 1993 | TT | Yes | No | - | - | - | Archived | Aug 31, 1993 | - | |
| Jul 1, 1993 | Jul 31, 1993 | TT | Yes | No | - | - | - | Archived | Jul 31, 1993 | - | |
| Jul 1, 1993 | Jul 31, 1993 | MCL | Yes | No | - | 5% of samples | - | Archived | Jul 31, 1993 | - | |
| Jul 1, 1993 | Jul 31, 1993 | MCL | Yes | No | - | 5% of samples | - | Archived | Jul 31, 1993 | - | |
| Sep 1, 1991 | Sep 30, 1991 | MR | No | No | - | 5% of samples | - | Archived | Sep 30, 1991 | - | |
| Sep 1, 1991 | Sep 30, 1991 | MR | No | Yes | - | 5% of samples | - | Archived | Sep 30, 1991 | - | |
| Aug 1, 1991 | Aug 31, 1991 | MR | No | Yes | - | 5% of samples | - | Archived | Aug 31, 1991 | - | |
| Aug 1, 1991 | Aug 31, 1991 | MR | No | No | - | 5% of samples | - | Archived | Aug 31, 1991 | - | |
| Jul 1, 1991 | Jul 31, 1991 | MR | No | No | - | 5% of samples | - | Archived | Jul 31, 1991 | - | |
| - | - | - | No | No | - | - | - | - | - | - |
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.