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