Is Norwalk, California tap water safe?
1 water system report serving Norwalk. Your water depends on which one serves your address. Check your bill if unsure.
C
Norwalk - City, Water Dept.
Serves 20,283 people · Surface water · Full report →
No health-based violations in the last 5 years; 1 monitoring/reporting violation; 1 not yet resolved; PFOA/PFOS average above the 4 ppt federal limit: PFOS, PFOA; Lead 90th percentile below the action level (2022).