Local water quality
Water quality in Sonora, California
6 public water systems · PFAS detected · EPA data
The bottom line
EPA records for the water serving Sonora, California show Lead, Total Trihalomethanes. A filter independently certified to reduce those exact contaminants is the most direct fix.
What's in Sonora's water
Contaminants EPA has recorded across Sonora's water systems, and how many certified filters remove each.
Water systems serving Sonora
Open a system for its full report — measured levels vs. federal limits, PFAS, and the certified filters that remove each contaminant.
TUD - UPPER BASIN WATER SYSTEM
13,280 people served
1 contaminant · report →
TUD - SONORA/JAMESTOWN WATER SYSTEM
11,054 people served
1 contaminant · report →
TUD - COLUMBIA WATER SYSTEM
5,463 people served
1 contaminant · report →
TUD - CRYSTAL FALLS WATER SYSTEM
5,393 people served
1 contaminant · report →
USFS PINECREST REC AREA
361 people served
2 contaminants · report →
TUD-WARDS FERRY RANCHES
62 people served
1 contaminant · 3 PFAS · report →
Filter your Sonora water
Match a certified filter to what's actually in your water — a filter certified for lead may do nothing for PFAS or fluoride.