WYODAK MINE
Wyoming — Non-Transient Non-Community — PWSID: WY5600798
System Information
| PWSID | WY5600798 |
| System Name | WYODAK MINE |
| System Type | Non-Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 08 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Jan 27, 1983 |
| 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 | 60 |
| Service Connections | 2 |
Drinking Water Violations (26)
This water system has 26 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, 2020 | Dec 31, 2020 | Chlordane | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 31, 2020 | Synthetic Organic Chemicals |
| Oct 1, 2020 | Dec 31, 2020 | Atrazine | MR | No | Yes | — | 0.003 mg/L | — | Resolved | Dec 31, 2020 | Synthetic Organic Chemicals |
| Oct 1, 2020 | Dec 31, 2020 | 2,4,5-TP | MR | No | Yes | — | 0.05 mg/L | — | Resolved | Dec 31, 2020 | Synthetic Organic Chemicals |
| Oct 1, 2020 | Dec 31, 2020 | Benzene | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2020 | Volatile Organic Chemicals |
| Oct 1, 2020 | Dec 31, 2020 | p-Dichlorobenzene | MR | No | Yes | — | 0.075 mg/L | — | Resolved | Dec 31, 2020 | Volatile Organic Chemicals |
| Oct 1, 2020 | Dec 31, 2020 | 1,1-Dichloroethylene | MR | No | Yes | — | 0.007 mg/L | — | Resolved | Dec 31, 2020 | Volatile Organic Chemicals |
| Oct 1, 2020 | Dec 31, 2020 | OXAMYL | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Dec 31, 2020 | Synthetic Organic Chemicals |
| Oct 1, 2020 | Dec 31, 2020 | HEXACHLOROBENZENE | MR | No | Yes | — | 0.001 mg/L | — | Resolved | Dec 31, 2020 | Synthetic Organic Chemicals |
| Oct 1, 2020 | Dec 31, 2020 | Vinyl chloride | MR | No | Yes | — | 0.002 mg/L | — | Resolved | Dec 31, 2020 | Volatile Organic Chemicals |
| Oct 1, 2020 | Dec 31, 2020 | Picloram | MR | No | Yes | — | 0.5 mg/L | — | Resolved | Dec 31, 2020 | Synthetic Organic Chemicals |
| Oct 1, 2020 | Dec 31, 2020 | DICHLOROMETHANE | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2020 | Volatile Organic Chemicals |
| Oct 1, 2020 | Dec 31, 2020 | Dalapon | MR | No | Yes | — | 0.2 mg/L | — | Resolved | Dec 31, 2020 | Synthetic Organic Chemicals |
| Oct 1, 2020 | Dec 31, 2020 | Glyphosate | MR | No | Yes | — | 0.7 mg/L | — | Resolved | Dec 31, 2020 | Synthetic Organic Chemicals |
| Oct 1, 2020 | Dec 31, 2020 | cis-1,2-Dichloroethylene | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Dec 31, 2020 | Volatile Organic Chemicals |
| Oct 1, 2020 | Dec 31, 2020 | Di(2-ethylhexyl) adipate | MR | No | Yes | — | 0.4 mg/L | — | Resolved | Dec 31, 2020 | Synthetic Organic Chemicals |
| Oct 1, 2020 | Dec 31, 2020 | BHC-GAMMA | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Dec 31, 2020 | Synthetic Organic Chemicals |
| Oct 1, 2020 | Dec 31, 2020 | Heptachlor epoxide | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Dec 31, 2020 | Synthetic Organic Chemicals |
| Oct 1, 2020 | Dec 31, 2020 | 2,4-D | MR | No | Yes | — | 0.07 mg/L | — | Resolved | Dec 31, 2020 | Synthetic Organic Chemicals |
| Oct 1, 2020 | Dec 31, 2020 | Toxaphene | MR | No | Yes | — | 0.003 mg/L | — | Resolved | Dec 31, 2020 | Synthetic Organic Chemicals |
| Oct 1, 2020 | Dec 31, 2020 | Dinoseb | MR | No | Yes | — | 0.007 mg/L | — | Resolved | Dec 31, 2020 | Synthetic Organic Chemicals |
| Oct 1, 2020 | Dec 31, 2020 | 1,2-DIBROMO-3-CHLOROPROPANE | MR | No | Yes | — | 0.0002 mg/L | — | Resolved | Dec 31, 2020 | Synthetic Organic Chemicals |
| Oct 1, 2020 | Dec 31, 2020 | Ethylbenzene | MR | No | Yes | — | 0.7 mg/L | — | Resolved | Dec 31, 2020 | Volatile Organic Chemicals |
| Oct 1, 2020 | Dec 31, 2020 | Toluene | MR | No | Yes | — | 1 mg/L | — | Resolved | Dec 31, 2020 | Volatile Organic Chemicals |
| Oct 1, 2020 | Dec 31, 2020 | CHLOROBENZENE | MR | No | Yes | — | 0.1 mg/L | — | Resolved | Dec 31, 2020 | Volatile Organic Chemicals |
| Oct 1, 2020 | Dec 31, 2020 | Carbon tetrachloride | MR | No | Yes | — | 0.005 mg/L | — | Resolved | Dec 31, 2020 | Volatile Organic Chemicals |
| Oct 1, 2020 | Dec 31, 2020 | Xylenes, Total | MR | No | Yes | — | 10 mg/L | — | Resolved | Dec 31, 2020 | 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.