ROLLING HILLS ESTATES WATER COMPANY
PWS ID: ID3140100 · NAMPA, Idaho 83686
Population Served
250
Total Violations
122
Health-Based Violations
14
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 137
- County
- Canyon
- School/Daycare
- No
- MCL Violations
- 14
- Monitoring Violations
- 105
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 41 | 2003 |
| Coliform (TCR) | MCL | 14 | 2003 |
| Lead and Copper Rule | MR | 8 | 2023 |
| Chlorine | MR | 5 | 2024 |
| Nitrate | MR | 2 | 2002 |
| Simazine | MR | 1 | 2020 |
| 1,2-Dichloroethane | MR | 1 | 2017 |
| Vinyl chloride | MR | 1 | 2017 |
| Picloram | MR | 1 | 2020 |
| o-Dichlorobenzene | MR | 1 | 2017 |
| p-Dichlorobenzene | MR | 1 | 2017 |
| 2,4,5-TP | MR | 1 | 2020 |
| Di(2-ethylhexyl) adipate | MR | 1 | 2020 |
| HEXACHLOROBENZENE | MR | 1 | 2020 |
| BHC-GAMMA | MR | 1 | 2020 |
| Ethylbenzene | MR | 1 | 2017 |
| Trichloroethylene | MR | 1 | 2017 |
| Heptachlor epoxide | MR | 1 | 2020 |
| Atrazine | MR | 1 | 2020 |
| cis-1,2-Dichloroethylene | MR | 1 | 2017 |
| Pentachlorophenol | MR | 1 | 2020 |
| Dalapon | MR | 1 | 2020 |
| Glyphosate | MR | 1 | 2020 |
| OXAMYL | MR | 1 | 2020 |
| Diquat | MR | 1 | 2020 |
| 1,1,2-Trichloroethane | MR | 1 | 2017 |
| Chlordane | MR | 1 | 2020 |
| Dinoseb | MR | 1 | 2020 |
| Heptachlor | MR | 1 | 2020 |
| Toluene | MR | 1 | 2017 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.