GRASSLANDS WATER SYSTEM
PWS ID: WA5329172 · ELLENSBURG, Washington 98926
Population Served
260
Total Violations
30
Health-Based Violations
11
Water Source
Groundwater
System Details
- System Type
- Community
- Owner Type
- Private
- Connections
- 76
- County
- Kittitas
- School/Daycare
- No
- MCL Violations
- 11
- Monitoring Violations
- 18
- Treatment Tech Violations
- 0
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Coliform (TCR) | MCL | 11 | 1994 |
| Coliform (TCR) | MR | 5 | 2000 |
| Arsenic | MR | 1 | 2008 |
| Cadmium | MR | 1 | 2008 |
| Chromium | MR | 1 | 2008 |
| Fluoride | MR | 1 | 2008 |
| Mercury | MR | 1 | 2008 |
| Selenium | MR | 1 | 2008 |
| Beryllium, Total | MR | 1 | 2008 |
| Revised Total Coliform Rule | MON | 1 | 2020 |
| Barium | MR | 1 | 2008 |
| CYANIDE | MR | 1 | 2008 |
| Antimony, Total | MR | 1 | 2008 |
| Thallium, Total | MR | 1 | 2008 |
| Nickel | MR | 1 | 2008 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.