Mattawa City Of
PWSID WA5352000 · Mattawa, Washington · serves 5,370 people · groundwater source
B
Good
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2024-06-01 | Revised Total Coliform Rule | MCL | Yes | Resolved |
| 2023-07-01 | Consumer Confidence Rule | Other | No | Resolved |