Is Santa Clara, California tap water safe?
2 water systems report serving Santa Clara. Your water depends on which one serves your address. Check your bill if unsure.
A
City of Santa Clara
Serves 134,587 people · Surface water · Full report →
No health-based violations in the last 5 years; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2025).
A
Lee's Orchard Owners Association
Serves 35 people · · Full report →
No health-based violations in the last 5 years; No UCMR 5 PFAS results on file.