CASTLE MOUNTAIN CREEKS OWNERS ASSN
PWS ID: ID4080007 · GARDEN VALLEY, Idaho 83622
Population Served
250
Total Violations
241
Health-Based Violations
106
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 217
- County
- Boise
- School/Daycare
- No
- MCL Violations
- 82
- Monitoring Violations
- 120
- Treatment Tech Violations
- 24
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Total Haloacetic Acids (HAA5) | MCL | 69 | 2024 |
| Surface Water Treatment Rule | MR | 24 | 2020 |
| Chlorine | MR | 21 | 2018 |
| Lead and Copper Rule | TT | 16 | 2016 |
| Coliform (TCR) | MR | 12 | 2014 |
| Public Notice | Other | 9 | 2019 |
| Coliform (TCR) | MCL | 6 | 2001 |
| Interim Enhanced Surface Water Treatment Rule | MR | 6 | 2020 |
| Nitrate | MR | 5 | 2002 |
| Interim Enhanced Surface Water Treatment Rule | TT | 5 | 2017 |
| Revised Total Coliform Rule | MCL | 5 | 2025 |
| Long Term 2 Enhanced Surface Water Treatment Rule | MR | 4 | 2017 |
| Surface Water Treatment Rule | TT | 3 | 2009 |
| Total Haloacetic Acids (HAA5) | MR | 3 | 2012 |
| TTHM | MR | 3 | 2012 |
| Lead and Copper Rule | MR | 3 | 2014 |
| E. COLI | MR | 3 | 2017 |
| Revised Total Coliform Rule | MON | 3 | 2016 |
| Arsenic | MR | 2 | 2002 |
| TTHM | MCL | 2 | 2007 |
| 1,2,4-Trichlorobenzene | MR | 1 | 2006 |
| DICHLOROMETHANE | MR | 1 | 2006 |
| o-Dichlorobenzene | MR | 1 | 2006 |
| 1,1-Dichloroethylene | MR | 1 | 2006 |
| 1,2-Dichloroethane | MR | 1 | 2006 |
| Carbon tetrachloride | MR | 1 | 2006 |
| 1,2-Dichloropropane | MR | 1 | 2006 |
| Trichloroethylene | MR | 1 | 2006 |
| 1,1,2-Trichloroethane | MR | 1 | 2006 |
| CHLOROBENZENE | MR | 1 | 2006 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.