WILLOW TREE PARK
PWS ID: WA5391912 · Yakima, Washington 98908
Population Served
176
Total Violations
94
Health-Based Violations
8
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 45
- County
- Yakima
- School/Daycare
- No
- MCL Violations
- 8
- Monitoring Violations
- 81
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Nitrate | MR | 13 | 2007 |
| Coliform (TCR) | MCL | 8 | 2004 |
| Coliform (TCR) | MR | 7 | 2000 |
| Arsenic | MR | 5 | 2002 |
| Cadmium | MR | 5 | 2002 |
| Chromium | MR | 5 | 2002 |
| Fluoride | MR | 5 | 2002 |
| Selenium | MR | 5 | 2002 |
| Barium | MR | 5 | 2002 |
| Mercury | MR | 5 | 2002 |
| Beryllium, Total | MR | 4 | 2002 |
| Antimony, Total | MR | 4 | 2002 |
| Nickel | MR | 4 | 2002 |
| CYANIDE | MR | 4 | 2002 |
| Thallium, Total | MR | 4 | 2002 |
| Revised Total Coliform Rule | MON | 3 | 2018 |
| Lead and Copper Rule | MR | 2 | 2000 |
| Gross Alpha, Excl. Radon and U | MR | 1 | 1979 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.