LEWISTON ROUNDUP
PWS ID: ID2350016 · LEWISTON, Idaho 83501
Population Served
50
Total Violations
232
Health-Based Violations
111
Water Source
Groundwater
System Details
- System Type
- Transient Non-Community
- Owner Type
- Private
- Connections
- 3
- County
- Nez Perce
- School/Daycare
- No
- MCL Violations
- 39
- Monitoring Violations
- 118
- Treatment Tech Violations
- 72
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Groundwater Rule | TT | 49 | 2022 |
| Groundwater Rule | MR | 36 | 2022 |
| Coliform (TCR) | MCL | 28 | 2015 |
| Revised Total Coliform Rule | MON | 28 | 2020 |
| Chlorine | MR | 20 | 2022 |
| E. COLI | MR | 13 | 2017 |
| Revised Total Coliform Rule | TT | 12 | 2016 |
| Coliform (TCR) | MR | 12 | 2014 |
| Surface Water Treatment Rule | TT | 11 | 2022 |
| Nitrate | MR | 9 | 2022 |
| Revised Total Coliform Rule | MCL | 6 | 2019 |
| Nitrate | MCL | 5 | 2025 |
| Public Notice | Other | 2 | 2022 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.