ARNG-CAMP GUERNSEY CANTONMENT
Wyoming — Non-Transient Non-Community — PWSID: WY5600797
System Information
| PWSID | WY5600797 |
| System Name | ARNG-CAMP GUERNSEY CANTONMENT |
| System Type | Non-Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Federal |
| EPA Region | 08 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Jan 27, 1983 |
| Last Reported | Nov 17, 2025 |
Location & Contact
| State | Wyoming |
| City | GUERNSEY |
| ZIP Code | 82214 |
| Address | P.O. Box 399 (Camp Guernsey) |
| Organization | HORNECKER, HEATHER |
| Phone | 307-331-0948 |
Population & Service
| Population Served | 2,000 |
| Service Connections | 107 |
Drinking Water Violations (14)
This water system has 14 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Apr 1, 2025 | Apr 30, 2025 | Revised Total Coliform Rule | MON | No | No | — | — | — | Resolved | Apr 30, 2025 | Revised Total Coliform Rule |
| Jul 9, 2024 | — | Groundwater Rule | TT | Yes | No | — | — | — | Resolved | Jul 23, 2025 | Ground Water Rule |
| Apr 1, 2024 | Apr 30, 2024 | Revised Total Coliform Rule | MON | No | No | — | — | — | Resolved | Apr 30, 2024 | Revised Total Coliform Rule |
| Oct 1, 2022 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 14, 2023 | Lead and Copper Rule |
| Oct 1, 2021 | — | Lead and Copper Rule | MR | No | No | — | TT | — | Resolved | Dec 14, 2023 | Lead and Copper Rule |
| Apr 1, 2021 | Apr 30, 2021 | Revised Total Coliform Rule | MON | No | No | — | — | — | Resolved | Apr 30, 2021 | Revised Total Coliform Rule |
| Apr 1, 2021 | Apr 30, 2021 | Revised Total Coliform Rule | MON | No | No | — | — | — | Resolved | Apr 30, 2021 | Revised Total Coliform Rule |
| May 1, 2016 | May 31, 2016 | Revised Total Coliform Rule | MON | No | No | — | — | — | Resolved | May 31, 2016 | Revised Total Coliform Rule |
| May 1, 2016 | May 31, 2016 | Revised Total Coliform Rule | MON | No | No | — | — | — | Resolved | May 31, 2016 | Revised Total Coliform Rule |
| May 1, 2016 | May 31, 2016 | Revised Total Coliform Rule | MON | No | No | — | — | — | Resolved | May 31, 2016 | Revised Total Coliform Rule |
| Apr 1, 2016 | Apr 30, 2016 | Revised Total Coliform Rule | MON | No | No | — | — | — | Resolved | Apr 30, 2016 | Revised Total Coliform Rule |
| Sep 1, 2015 | Aug 31, 2016 | TTHM | MR | No | Yes | — | 0.080 mg/L | — | Resolved | Aug 31, 2016 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Sep 1, 2015 | Aug 31, 2016 | Total Haloacetic Acids (HAA5) | MR | No | Yes | — | 0.060 mg/L | — | Resolved | Aug 31, 2016 | Stage 2 Disinfectants and Disinfection Byproducts Rule |
| Jun 1, 2015 | Jun 30, 2015 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Resolved | Jun 30, 2015 | Total Coliform 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.