BUFFALO VALLEY WATER DISTRICT
Wyoming — Community Water System — PWSID: WY5600435
System Information
| PWSID | WY5600435 |
| System Name | BUFFALO VALLEY WATER DISTRICT |
| 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 | Nov 17, 2025 |
Location & Contact
| State | Wyoming |
| City | MORAN |
| ZIP Code | 83013 |
| Address | P.O. BOX 321 |
| Organization | LEYS, GEORGE |
| Phone | 307-543-2555 |
Population & Service
| Population Served | 50 |
| Service Connections | 21 |
Drinking Water Violations (29)
This water system has 29 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, 2018 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Feb 4, 2019 | Consumer Confidence Rule |
| Oct 1, 2018 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Feb 4, 2019 | Consumer Confidence Rule |
| Apr 9, 2018 | — | E. COLI | MR | No | Yes | — | — | — | Resolved | May 15, 2018 | Ground Water Rule |
| Oct 1, 2013 | Oct 31, 2013 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2013 | Total Coliform Rule |
| Oct 1, 2013 | Oct 31, 2013 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2013 | Total Coliform Rule |
| Sep 1, 2012 | Sep 30, 2012 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2012 | Total Coliform Rule |
| Sep 1, 2012 | Sep 30, 2012 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Sep 30, 2012 | Total Coliform Rule |
| Jan 1, 2012 | Mar 31, 2012 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 2012 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2012 | Mar 31, 2012 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 2012 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2010 | Mar 31, 2010 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 2010 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2010 | Mar 31, 2010 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 2010 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jan 1, 2010 | Mar 31, 2010 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Mar 31, 2010 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Sep 1, 2007 | Sep 30, 2007 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Sep 30, 2007 | Total Coliform Rule |
| Aug 1, 2007 | Aug 31, 2007 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2007 | Total Coliform Rule |
| Aug 1, 2007 | Aug 31, 2007 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2007 | Total Coliform Rule |
| Jul 1, 2007 | Jul 31, 2007 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Jul 31, 2007 | Total Coliform Rule |
| May 1, 2007 | May 31, 2007 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2007 | Total Coliform Rule |
| May 1, 2007 | May 31, 2007 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | May 31, 2007 | Total Coliform Rule |
| Apr 1, 2007 | Apr 30, 2007 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Apr 30, 2007 | Total Coliform Rule |
| Apr 1, 2007 | Apr 30, 2007 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Apr 30, 2007 | Total Coliform Rule |
| Mar 1, 2007 | Mar 31, 2007 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Mar 31, 2007 | Total Coliform Rule |
| Mar 1, 2007 | Mar 31, 2007 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Mar 31, 2007 | Total Coliform Rule |
| Feb 1, 2004 | Feb 29, 2004 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Feb 29, 2004 | Total Coliform Rule |
| Feb 1, 2004 | Feb 29, 2004 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Feb 29, 2004 | Total Coliform Rule |
| Jan 1, 2003 | Dec 31, 2003 | Nitrate | MR | No | No | — | 10 mg/L | — | Resolved | Dec 31, 2003 | Nitrate Rule |
| Jan 1, 2003 | Dec 31, 2003 | Nitrate | MR | No | No | — | 10 mg/L | — | Resolved | Dec 31, 2003 | Nitrate Rule |
| Sep 1, 2001 | Sep 30, 2001 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Sep 30, 2001 | Total Coliform Rule |
| Jul 1, 2000 | Jul 31, 2000 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Jul 31, 2000 | Total Coliform Rule |
| Jan 1, 1997 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Oct 7, 1998 | Lead and Copper Rule |
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.