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