WEST END WATER DISTRICT
Wyoming — Community Water System — PWSID: WY5601032
System Information
| PWSID | WY5601032 |
| System Name | WEST END 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 | Sep 9, 1988 |
| Last Reported | Nov 17, 2025 |
Location & Contact
| State | Wyoming |
| City | NEWCASTLE |
| ZIP Code | 82701 |
| Address | 340 West Main Street |
| Organization | CONLEY, LIZ |
| Phone | 307-746-4502 |
Population & Service
| Population Served | 225 |
| Service Connections | 105 |
Drinking Water Violations (226)
This water system has 226 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 2, 2024 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Unaddressed | — | Consumer Confidence Rule |
| Jul 1, 2024 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Unaddressed | — | Consumer Confidence Rule |
| Jan 1, 2021 | Dec 31, 2021 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Dec 31, 2021 | Nitrate Rule |
| Jan 1, 2019 | Dec 31, 2024 | Combined Uranium | MR | No | Yes | — | 30 ug/L | — | Archived | Dec 31, 2024 | Radionuclides and Revised Rad Rule |
| Jan 1, 2019 | Dec 31, 2024 | Radium-226 | MR | No | Yes | — | — | — | Archived | Dec 31, 2024 | Radionuclides and Revised Rad Rule |
| Jan 1, 2019 | Dec 31, 2024 | Combined Radium (-226 and -228) | MR | No | Yes | — | 5 pCi/L | — | Archived | Dec 31, 2024 | Radionuclides and Revised Rad Rule |
| Jan 1, 2019 | Dec 31, 2024 | Radium-228 | MR | No | Yes | — | — | — | Archived | Dec 31, 2024 | Radionuclides and Revised Rad Rule |
| Jan 1, 2019 | Dec 31, 2024 | Gross Alpha, Excl. Radon and U | MR | No | Yes | — | 15 pCi/L | — | Archived | Dec 31, 2024 | Radionuclides and Revised Rad Rule |
| Jul 1, 2018 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Sep 26, 2018 | Consumer Confidence Rule |
| Jul 1, 2018 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Sep 26, 2018 | Consumer Confidence Rule |
| Jun 1, 2018 | Jun 30, 2018 | Revised Total Coliform Rule | MON | No | Yes | — | — | — | Resolved | Jun 30, 2018 | Revised Total Coliform Rule |
| Jul 1, 2017 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Aug 11, 2017 | Consumer Confidence Rule |
| Jul 1, 2017 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Aug 11, 2017 | Consumer Confidence Rule |
| Oct 1, 2016 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Feb 6, 2018 | Lead and Copper Rule |
| Oct 1, 2016 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Feb 6, 2018 | Lead and Copper Rule |
| Oct 1, 2015 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jun 6, 2019 | Consumer Confidence Rule |
| Oct 1, 2015 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jun 6, 2019 | Consumer Confidence Rule |
| Oct 1, 2015 | Oct 31, 2015 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2015 | Total Coliform Rule |
| Oct 1, 2015 | Oct 31, 2015 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Oct 31, 2015 | Total Coliform Rule |
| Jul 1, 2015 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jul 27, 2015 | Consumer Confidence Rule |
| Jul 1, 2015 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jul 27, 2015 | Consumer Confidence Rule |
| Jul 1, 2015 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jul 27, 2015 | Consumer Confidence Rule |
| May 6, 2015 | — | Groundwater Rule | TT | Yes | No | — | — | — | Resolved | May 4, 2016 | Ground Water Rule |
| May 6, 2015 | — | Groundwater Rule | TT | Yes | No | — | — | — | Resolved | May 4, 2016 | Ground Water Rule |
| May 6, 2015 | — | Groundwater Rule | TT | Yes | No | — | — | — | Resolved | May 4, 2016 | Ground Water Rule |
| Feb 5, 2015 | — | Groundwater Rule | Other | No | No | — | — | — | Resolved | Dec 10, 2015 | Ground Water Rule |
| Feb 5, 2015 | — | Groundwater Rule | Other | No | No | — | — | — | Resolved | Dec 10, 2015 | Ground Water Rule |
| Jan 1, 2015 | Dec 31, 2015 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Dec 31, 2015 | Nitrate Rule |
| Jan 1, 2015 | Dec 31, 2015 | Nitrate-Nitrite | MR | No | Yes | — | — | — | Resolved | Dec 31, 2015 | Nitrate Rule |
| Oct 1, 2013 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Feb 6, 2018 | Lead and Copper Rule |
| Oct 1, 2013 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Feb 6, 2018 | Lead and Copper Rule |
| Jul 1, 2010 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Aug 25, 2010 | Consumer Confidence Rule |
| Jul 1, 2010 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Aug 25, 2010 | Consumer Confidence Rule |
| Jan 1, 2010 | Dec 31, 2010 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2010 | Nitrate Rule |
| Jan 1, 2010 | Dec 31, 2010 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2010 | Nitrate Rule |
| Jan 1, 2010 | Dec 31, 2010 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2010 | Nitrate Rule |
| Jan 1, 2010 | Dec 31, 2010 | Nitrate | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2010 | Nitrate Rule |
| Jul 1, 2008 | — | Consumer Confidence Rule | Other | No | No | — | — | — | Resolved | Jul 21, 2008 | Consumer Confidence Rule |
| Jan 1, 2008 | Dec 31, 2010 | Barium | MR | No | Yes | — | 2 mg/L | — | Resolved | Dec 31, 2010 | Inorganic Chemicals |
| Jan 1, 2008 | Dec 31, 2010 | 1,1,1-Trichloroethane | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Dec 31, 2010 | Volatile Organic Chemicals |
| Jan 1, 2008 | Dec 31, 2010 | Beryllium, Total | MR | No | Yes | — | 0.004 mg/L | — | Resolved | Dec 31, 2010 | Inorganic Chemicals |
| Jan 1, 2008 | Dec 31, 2010 | Cadmium | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2010 | Inorganic Chemicals |
| Jan 1, 2008 | Dec 31, 2010 | Cadmium | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2010 | Inorganic Chemicals |
| Jan 1, 2008 | Dec 31, 2010 | Cadmium | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2010 | Inorganic Chemicals |
| Jan 1, 2008 | Dec 31, 2010 | Mercury | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 31, 2010 | Inorganic Chemicals |
| Jan 1, 2008 | Dec 31, 2010 | Antimony, Total | MR | No | Yes | — | 0.006 mg/L | — | Resolved | Dec 31, 2010 | Inorganic Chemicals |
| Jan 1, 2008 | Dec 31, 2010 | Antimony, Total | MR | No | Yes | — | 0.006 mg/L | — | Resolved | Dec 31, 2010 | Inorganic Chemicals |
| Jan 1, 2008 | Dec 31, 2010 | Antimony, Total | MR | No | Yes | — | 0.006 mg/L | — | Resolved | Dec 31, 2010 | Inorganic Chemicals |
| Jan 1, 2008 | Dec 31, 2010 | Beryllium, Total | MR | No | Yes | — | 0.004 mg/L | — | Resolved | Dec 31, 2010 | Inorganic Chemicals |
| Jan 1, 2008 | Dec 31, 2010 | Beryllium, Total | MR | No | Yes | — | 0.004 mg/L | — | Resolved | Dec 31, 2010 | Inorganic Chemicals |
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.