LANCE CREEK WATER DISTRICT
PWS ID: WY5600109 · LANCE CREEK, Wyoming 82222
Population Served
45
Total Violations
361
Health-Based Violations
97
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 33
- County
- Niobrara
- School/Daycare
- No
- MCL Violations
- 91
- Monitoring Violations
- 259
- Treatment Tech Violations
- 6
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Combined Radium (-226 and -228) | MCL | 52 | 2023 |
| Coliform (TCR) | MCL | 34 | 2010 |
| Gross Alpha, Excl. Radon and U | MR | 23 | 2024 |
| Combined Uranium | MR | 21 | 2024 |
| Combined Radium (-226 and -228) | MR | 21 | 2024 |
| Radium-228 | MR | 21 | 2024 |
| Radium-226 | MR | 21 | 2024 |
| Coliform (TCR) | MR | 17 | 2010 |
| Lead and Copper Rule | MR | 10 | 2020 |
| Nitrate | MR | 8 | 2010 |
| Arsenic | MR | 6 | 2019 |
| Groundwater Rule | TT | 6 | 2023 |
| Gross Alpha, Excl. Radon and U | MCL | 4 | 2018 |
| Benzene | MR | 3 | 2008 |
| 1,2-Dichloroethane | MR | 3 | 2008 |
| p-Dichlorobenzene | MR | 3 | 2008 |
| 1,1,1-Trichloroethane | MR | 3 | 2008 |
| Trichloroethylene | MR | 3 | 2008 |
| Vinyl chloride | MR | 3 | 2008 |
| cis-1,2-Dichloroethylene | MR | 3 | 2008 |
| Ethylbenzene | MR | 3 | 2008 |
| CHLOROBENZENE | MR | 3 | 2008 |
| o-Dichlorobenzene | MR | 3 | 2008 |
| Styrene | MR | 3 | 2008 |
| Tetrachloroethylene | MR | 3 | 2008 |
| trans-1,2-Dichloroethylene | MR | 3 | 2008 |
| 1,1,2-Trichloroethane | MR | 3 | 2008 |
| 1,2,4-Trichlorobenzene | MR | 3 | 2008 |
| Xylenes, Total | MR | 3 | 2008 |
| DICHLOROMETHANE | MR | 3 | 2008 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.