Is Colton, California tap water safe?
1 water system report serving Colton. Your water depends on which one serves your address. Check your bill if unsure.
C
City of Colton
Serves 46,525 people · Groundwater · Full report →
No health-based violations in the last 5 years; 1 monitoring/reporting violation; PFOA/PFOS average above the 4 ppt federal limit: PFOA, PFOS; Lead 90th percentile below the action level (2025).