Is Gonzales, California tap water safe?
2 water systems report serving Gonzales. Your water depends on which one serves your address. Check your bill if unsure.
A
City of Gonzales
Serves 8,333 people · Groundwater · Full report →
No health-based violations in the last 5 years; 2 monitoring/reporting violations; PFAS tested (UCMR 5), none above federal limits; Lead 90th percentile below the action level (2024).
B
Williams - Rc Farms WS
Serves 35 people · Groundwater · Full report →
1 health-based violation in the last 5 years; 2 monitoring/reporting violations; 2 not yet resolved; No UCMR 5 PFAS results on file; Lead 90th percentile below the action level (2025).