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Local water quality

Water quality in Patterson, California

2 public water systems · EPA data

The bottom line

EPA records for the water serving Patterson, California show Lead, Total Trihalomethanes. A filter independently certified to reduce those exact contaminants is the most direct fix.

What's in Patterson's water

Contaminants EPA has recorded across Patterson's water systems, and how many certified filters remove each.

Lead 757 certified filters → Total Trihalomethanes 147 certified filters →

Water systems serving Patterson

Open a system for its full report — measured levels vs. federal limits, PFAS, and the certified filters that remove each contaminant.

PATTERSON, CITY OF
24,977 people served
1 contaminant · report →
WESTERN HILLS WATER DISTRICT/DIABLO GRAN
2,000 people served
2 contaminants · report →

Filter your Patterson water

Match a certified filter to what's actually in your water — a filter certified for lead may do nothing for PFAS or fluoride.

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