ROCK CITY MERCANTILE
PWS ID: ID5160081 · ALMO, Idaho 83312
Population Served
25
Total Violations
55
Health-Based Violations
5
Water Source
Groundwater
System Details
- System Type
- Transient Non-Community
- Owner Type
- Private
- Connections
- 3
- County
- Cassia
- School/Daycare
- No
- MCL Violations
- 2
- Monitoring Violations
- 29
- Treatment Tech Violations
- 3
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Public Notice | Other | 20 | 2013 |
| Coliform (TCR) | MR | 11 | 2012 |
| Nitrate | MR | 11 | 2020 |
| Revised Total Coliform Rule | MON | 4 | 2025 |
| E. COLI | MR | 3 | 2012 |
| Groundwater Rule | TT | 3 | 2017 |
| Coliform (TCR) | MCL | 2 | 2011 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.