Local water quality
Water quality in Foster City, California
1 public water system · EPA data
The bottom line
EPA records for the water serving Foster City, California show Lead. A filter independently certified to reduce those exact contaminants is the most direct fix.
What's in Foster City's water
Contaminants EPA has recorded across Foster City's water systems, and how many certified filters remove each.
The water system serving Foster City
Open a system for its full report — measured levels vs. federal limits, PFAS, and the certified filters that remove each contaminant.
Filter your Foster City water
Match a certified filter to what's actually in your water — a filter certified for lead may do nothing for PFAS or fluoride.