SUPERIOR, TOWN OF
PWS ID: WY5600092 · SUPERIOR, Wyoming 82945
Population Served
336
Total Violations
192
Health-Based Violations
6
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 120
- County
- Sweetwater
- School/Daycare
- No
- MCL Violations
- 4
- Monitoring Violations
- 171
- Treatment Tech Violations
- 2
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Consumer Confidence Rule | Other | 12 | 2025 |
| Lead and Copper Rule | MR | 8 | 2025 |
| Total Haloacetic Acids (HAA5) | MR | 6 | 2021 |
| Mercury | MR | 6 | 2020 |
| TTHM | MR | 6 | 2021 |
| Arsenic | MR | 4 | 2020 |
| Fluoride | MR | 4 | 2020 |
| Chromium | MR | 4 | 2020 |
| Cadmium | MR | 4 | 2020 |
| Nitrate-Nitrite | MR | 4 | 2022 |
| Barium | MR | 4 | 2020 |
| Selenium | MR | 4 | 2020 |
| Diquat | MR | 3 | 2020 |
| Nickel | MR | 2 | 2020 |
| Antimony, Total | MR | 2 | 2020 |
| Beryllium, Total | MR | 2 | 2020 |
| 1,2,4-Trichlorobenzene | MR | 2 | 2020 |
| cis-1,2-Dichloroethylene | MR | 2 | 2020 |
| Xylenes, Total | MR | 2 | 2020 |
| DICHLOROMETHANE | MR | 2 | 2020 |
| Vinyl chloride | MR | 2 | 2020 |
| 1,1-Dichloroethylene | MR | 2 | 2020 |
| trans-1,2-Dichloroethylene | MR | 2 | 2020 |
| 1,1,1-Trichloroethane | MR | 2 | 2020 |
| Carbon tetrachloride | MR | 2 | 2020 |
| Tetrachloroethylene | MR | 2 | 2020 |
| CHLOROBENZENE | MR | 2 | 2020 |
| Ethylbenzene | MR | 2 | 2020 |
| Styrene | MR | 2 | 2020 |
| ETHYLENE DIBROMIDE | MR | 2 | 2020 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.