VISTA WEST IMPROVEMENT & SERV DISTRICT
Wyoming — Community Water System — PWSID: WY5600246
System Information
| PWSID | WY5600246 |
| System Name | VISTA WEST IMPROVEMENT & SERV 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 | GILLETTE |
| ZIP Code | 82717 |
| Address | P.O. BOX 2917 |
| Organization | MELICK, CHEYENNE |
| Phone | 307-299-3544 |
Population & Service
| Population Served | 120 |
| Service Connections | 54 |
Drinking Water Violations (38)
This water system has 38 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| May 1, 2010 | May 31, 2010 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | May 31, 2010 | Total Coliform Rule |
| May 1, 2010 | May 31, 2010 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | May 31, 2010 | Total Coliform Rule |
| May 1, 2010 | May 31, 2010 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | May 31, 2010 | Total Coliform Rule |
| Jul 1, 2009 | Sep 30, 2009 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Archived | Sep 30, 2009 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2008 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jul 18, 2008 | Consumer Confidence Rule |
| Jan 1, 2005 | Dec 31, 2005 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2005 | Nitrate Rule |
| Jan 1, 2005 | Dec 31, 2005 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2005 | Nitrate Rule |
| Jan 1, 2005 | Dec 31, 2005 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2005 | Nitrate Rule |
| Jan 1, 2005 | Dec 31, 2005 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2005 | Nitrate Rule |
| Jan 1, 2005 | Dec 31, 2005 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2005 | Nitrate Rule |
| Aug 1, 2004 | Aug 31, 2004 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2004 | Total Coliform Rule |
| Aug 1, 2004 | Aug 31, 2004 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2004 | Total Coliform Rule |
| Aug 1, 2004 | Aug 31, 2004 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Aug 31, 2004 | Total Coliform Rule |
| Jul 1, 2004 | Sep 30, 2004 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Sep 30, 2004 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2004 | Sep 30, 2004 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Sep 30, 2004 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2004 | Sep 30, 2004 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Sep 30, 2004 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2004 | Sep 30, 2004 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Sep 30, 2004 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2004 | Sep 30, 2004 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Sep 30, 2004 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Jul 1, 2004 | Sep 30, 2004 | Chlorine | MR | No | Yes | — | 4.0 mg/L | — | Resolved | Sep 30, 2004 | Stage 1 Disinfectants and Disinfection Byproducts Rule |
| Feb 1, 2004 | Feb 29, 2004 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Feb 29, 2004 | Total Coliform Rule |
| Feb 1, 2004 | Feb 29, 2004 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Feb 29, 2004 | Total Coliform Rule |
| Feb 1, 2004 | Feb 29, 2004 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Feb 29, 2004 | Total Coliform Rule |
| Apr 1, 2003 | Apr 30, 2003 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Apr 30, 2003 | Total Coliform Rule |
| Apr 1, 2003 | Apr 30, 2003 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Apr 30, 2003 | Total Coliform Rule |
| Apr 1, 2003 | Apr 30, 2003 | Coliform (TCR) | MCL | Yes | No | — | 5% of samples | — | Resolved | Apr 30, 2003 | Total Coliform Rule |
| Jul 1, 2001 | Jul 31, 2001 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Jul 31, 2001 | Total Coliform Rule |
| Jan 1, 2001 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Feb 25, 2008 | Lead and Copper Rule |
| Jan 1, 2001 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Feb 25, 2008 | Lead and Copper Rule |
| Jan 1, 2001 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Feb 25, 2008 | Lead and Copper Rule |
| Jan 1, 2001 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Feb 25, 2008 | Lead and Copper Rule |
| Jan 1, 2001 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Feb 25, 2008 | Lead and Copper Rule |
| Jan 1, 2001 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Feb 25, 2008 | Lead and Copper Rule |
| Jan 1, 1995 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Jan 1, 1997 | Lead and Copper Rule |
| Nov 1, 1993 | Nov 30, 1993 | Surface Water Treatment Rule | MR | No | Yes | — | — | — | Archived | Nov 30, 1993 | Surface Water Treatment Rule |
| Jul 1, 1980 | Jun 30, 1981 | Gross Alpha, Excl. Radon and U | MR | No | Yes | — | 15 pCi/L | — | Archived | Jun 30, 1981 | Radionuclides and Revised Rad Rule |
| Jul 1, 1976 | Jun 30, 1980 | Gross Alpha, Excl. Radon and U | MR | No | No | — | 15 pCi/L | — | Archived | Jun 30, 1980 | Radionuclides and Revised Rad Rule |
| — | — | — | No | No | — | — | — | — | — | — | |
| — | — | — | 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.