Is Millbrae, California tap water safe?
1 water system report serving Millbrae. Your water depends on which one serves your address. Check your bill if unsure.
A
City of Millbrae
Serves 22,795 people · Surface water · Full report →
No health-based violations in the last 5 years; 1 monitoring/reporting violation; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2025).