ROCK RIVER, TOWN OF
PWS ID: WY5600048 · ROCK RIVER, Wyoming 82083
Population Served
211
Total Violations
77
Health-Based Violations
30
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 184
- County
- Albany
- School/Daycare
- No
- MCL Violations
- 22
- Monitoring Violations
- 45
- Treatment Tech Violations
- 8
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Total Haloacetic Acids (HAA5) | MCL | 22 | 2012 |
| TTHM | MR | 9 | 2025 |
| Total Haloacetic Acids (HAA5) | MR | 9 | 2025 |
| Surface Water Treatment Rule | TT | 8 | 2011 |
| Surface Water Treatment Rule | MR | 6 | 2009 |
| Gross Alpha, Excl. Radon and U | MR | 5 | 2001 |
| Coliform (TCR) | MR | 4 | 2015 |
| Interim Enhanced Surface Water Treatment Rule | MR | 2 | 2011 |
| Cadmium | MR | 1 | 1982 |
| CARBON, TOTAL | MR | 1 | 2020 |
| Barium | MR | 1 | 1982 |
| Arsenic | MR | 1 | 1982 |
| Mercury | MR | 1 | 1982 |
| Chromium | MR | 1 | 1982 |
| Combined Radium (-226 and -228) | MR | 1 | 1976 |
| Nitrate | MR | 1 | 1982 |
| Selenium | MR | 1 | 1982 |
| Fluoride | MR | 1 | 1982 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.