WSU IAREC - PROSSER
PWS ID: WA5393195 · Prosser, Washington 99350
Population Served
218
Total Violations
6
Health-Based Violations
0
Water Source
Groundwater
System Details
- System Type
- Non-Transient Non-Community
- Owner Type
- State
- Connections
- 20
- County
- Benton
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 4
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Total Haloacetic Acids (HAA5) | MR | 1 | 2022 |
| TTHM | MR | 1 | 2022 |
| Nitrate | MR | 1 | 2009 |
| Coliform (TCR) | MR | 1 | 1992 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.