POWDER RIVER COAL-CABALLO MINE
Wyoming — Non-Transient Non-Community — PWSID: WY5600328
System Information
| PWSID | WY5600328 |
| System Name | POWDER RIVER COAL-CABALLO MINE |
| System Type | Non-Transient Non-Community |
| 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 | Caller Box 3035 |
| Organization | VAUTHIER, JAYE |
| Phone | 307-687-6881 |
Population & Service
| Population Served | 200 |
| Service Connections | 8 |
Drinking Water Violations (22)
This water system has 22 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, 2006 | Jun 30, 2006 | Coliform (TCR) | MR | No | No | — | 5% of samples | — | Archived | Jun 30, 2006 | Total Coliform Rule |
| Jan 1, 1998 | Dec 31, 1998 | 1,2-Dichloroethane | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 1998 | Volatile Organic Chemicals |
| Jan 1, 1998 | Dec 31, 1998 | Vinyl chloride | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 31, 1998 | Volatile Organic Chemicals |
| Jan 1, 1998 | Dec 31, 1998 | 1,2,4-Trichlorobenzene | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Dec 31, 1998 | Volatile Organic Chemicals |
| Jan 1, 1998 | Dec 31, 1998 | Ethylbenzene | MR | No | Yes | — | 0.7 mg/L | — | Resolved | Dec 31, 1998 | Volatile Organic Chemicals |
| Jan 1, 1998 | Dec 31, 1998 | Tetrachloroethylene | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 1998 | Volatile Organic Chemicals |
| Jan 1, 1998 | Dec 31, 1998 | CHLOROBENZENE | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 1998 | Volatile Organic Chemicals |
| Jan 1, 1998 | Dec 31, 1998 | cis-1,2-Dichloroethylene | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Dec 31, 1998 | Volatile Organic Chemicals |
| Jan 1, 1998 | Dec 31, 1998 | Toluene | MR | No | Yes | — | 1 mg/L | — | Resolved | Dec 31, 1998 | Volatile Organic Chemicals |
| Jan 1, 1998 | Dec 31, 1998 | Benzene | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 1998 | Volatile Organic Chemicals |
| Jan 1, 1998 | Dec 31, 1998 | p-Dichlorobenzene | MR | No | Yes | — | 0.075 mg/L | — | Resolved | Dec 31, 1998 | Volatile Organic Chemicals |
| Jan 1, 1998 | Dec 31, 1998 | DICHLOROMETHANE | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 1998 | Volatile Organic Chemicals |
| Jan 1, 1998 | Dec 31, 1998 | Carbon tetrachloride | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 1998 | Volatile Organic Chemicals |
| Jan 1, 1998 | Dec 31, 1998 | o-Dichlorobenzene | MR | No | Yes | — | 0.6 mg/L | — | Resolved | Dec 31, 1998 | Volatile Organic Chemicals |
| Jan 1, 1998 | Dec 31, 1998 | 1,1-Dichloroethylene | MR | No | Yes | — | 0.007 mg/L | — | Resolved | Dec 31, 1998 | Volatile Organic Chemicals |
| Jan 1, 1998 | Dec 31, 1998 | 1,1,2-Trichloroethane | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 1998 | Volatile Organic Chemicals |
| Jan 1, 1998 | Dec 31, 1998 | Xylenes, Total | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 1998 | Volatile Organic Chemicals |
| Jan 1, 1998 | Dec 31, 1998 | trans-1,2-Dichloroethylene | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 1998 | Volatile Organic Chemicals |
| Jan 1, 1998 | Dec 31, 1998 | Styrene | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 1998 | Volatile Organic Chemicals |
| Jan 1, 1998 | Dec 31, 1998 | 1,2-Dichloropropane | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 1998 | Volatile Organic Chemicals |
| Jan 1, 1998 | Dec 31, 1998 | Trichloroethylene | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 1998 | Volatile Organic Chemicals |
| Jan 1, 1998 | Dec 31, 1998 | 1,1,1-Trichloroethane | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Dec 31, 1998 | Volatile Organic 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.