KITTITAS COUNTY WATER DISTRICT #4
PWS ID: WA5342447 · Thorp, Washington 98946
Population Served
510
Total Violations
13
Health-Based Violations
0
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 116
- County
- Kittitas
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 11
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Diquat | MR | 5 | 2005 |
| Coliform (TCR) | MR | 4 | 2005 |
| Consumer Confidence Rule | Other | 2 | 2023 |
| TTHM | MR | 1 | 2020 |
| Total Haloacetic Acids (HAA5) | MR | 1 | 2020 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.