PASCO HEIGHTS DOMESTIC WATER ASSN
PWS ID: WA5366350 · Kennewick, Washington 99336-4279
Population Served
135
Total Violations
54
Health-Based Violations
21
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 44
- County
- Franklin
- School/Daycare
- No
- MCL Violations
- 21
- Monitoring Violations
- 27
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MCL | 17 | 2005 |
| Lead and Copper Rule | MR | 11 | 2007 |
| Coliform (TCR) | MR | 7 | 1997 |
| Nitrate | MCL | 4 | 1993 |
| Consumer Confidence Rule | Other | 1 | 2025 |
| Cadmium | MR | 1 | 1979 |
| Nitrate | MR | 1 | 1979 |
| Fluoride | MR | 1 | 1979 |
| Chromium | MR | 1 | 1979 |
| Arsenic | MR | 1 | 1979 |
| Selenium | MR | 1 | 1979 |
| Gross Alpha, Excl. Radon and U | MR | 1 | 1979 |
| Barium | MR | 1 | 1979 |
| Mercury | MR | 1 | 1979 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.