Castle Rock Municipal Water
PWSID WA5311800 · Castle Rock, Washington · serves 4,367 people · surface water source
A
Excellent
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2026-03-01 | Surface Water Treatment Rule | MR | No | Resolved |
| 2023-01-01 | TTHM | MR | No | Resolved |
| 2023-01-01 | Total Haloacetic Acids (HAA5) | MR | No | Resolved |