Lake Oswego Municipal Water
PWSID OR4100457 · Lake Oswego, Oregon · serves 40,000 people · surface water source
A
Excellent
Violation history
| Date | Violation | Type | Health-based | Status |
|---|---|---|---|---|
| 2025-07-01 | Consumer Confidence Rule | Other | No | Resolved |
| 2024-07-01 | Consumer Confidence Rule | Other | No | Resolved |