ROSLYN CITY OF
PWS ID: WA5374400 · Roslyn, Washington 98941-0451
Population Served
2,099
Total Violations
19
Health-Based Violations
4
Water Source
Surface Water
System Details
- System Type
- Community
- Owner Type
- Local
- Connections
- 710
- County
- Kittitas
- School/Daycare
- No
- MCL Violations
- 0
- Monitoring Violations
- 6
- Treatment Tech Violations
- 4
Violation History
Contaminant violations recorded by EPA.
| Contaminant | Category | Count | Latest |
|---|---|---|---|
| Consumer Confidence Rule | Other | 4 | 2025 |
| Surface Water Treatment Rule | TT | 4 | 1992 |
| TTHM | MR | 2 | 2014 |
| Total Haloacetic Acids (HAA5) | MR | 2 | 2014 |
| Gross Alpha, Excl. Radon and U | MR | 1 | 1979 |
| Coliform (TCR) | MR | 1 | 1992 |
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025.
This data is provided for informational purposes only.