HIGHLAND HIGH SCHOOL
PWS ID: WA5332745 · Yakima, Washington 98908
Population Served
500
Total Violations
21
Health-Based Violations
1
Water Source
Groundwater
System Details
- System Type
- Non-Transient Non-Community
- Owner Type
- State
- Connections
- 2
- County
- Yakima
- School/Daycare
- No
- MCL Violations
- 1
- Monitoring Violations
- 17
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MR | 8 | 2003 |
| TTHM | MR | 4 | 2022 |
| Total Haloacetic Acids (HAA5) | MR | 4 | 2022 |
| Coliform (TCR) | MCL | 1 | 1994 |
| Lead and Copper Rule | MR | 1 | 1999 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.