San Jose
Santa Clara County, California
100 Excellent
Water Quality Score
100/100
Grade
A
Water Systems
1
Population
1.0M
Key Contaminants
Nitrate
4.0086 / 10 mg/L
0 mg/L MCL: 10 mg/L
Turbidity
0.3094 / 1 NTU
0 NTU MCL: 1 NTU
PFAS (Per- and Polyfluoroalkyl Substances)
0.001 / 0.004 μg/L
0 μg/L MCL: 0.004 μg/L
Lead
2.1646 / 15 μg/L
0 μg/L MCL: 15 μg/L
Total Coliform
0 / 0 presence
0 presence MCL: 0 presence
Water Systems Serving San Jose (1)
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Water quality can vary by neighborhood in San Jose.