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