Tap Water Quality in San Jose, CA
Find out what's in your drinking water. Enter your ZIP code below for a detailed water quality report for San Jose, California.
Try 95113 for San Jose
San Jose Drinking Water Overview
Population: ~1,030,000 | Source: Sacramento-San Joaquin Delta, local reservoirs, and groundwater
San Jose Water Company and the Santa Clara Valley Water District supply water to the Silicon Valley hub. Decades of tech manufacturing left a legacy of industrial solvent contamination in some groundwater areas. Chromium-6 from natural and industrial sources is also a concern. The region has invested heavily in groundwater cleanup.
Common water quality concerns in San Jose
Chromium-6
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Nitrates in groundwater
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Industrial solvents
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PFAS
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What's in your San Jose water report
Contaminant levels
Every detected contaminant in your San Jose water system, compared to EPA limits and health guidelines.
Violation history
All EPA violations on record for water systems serving San Jose, including health-based and monitoring violations.
Water quality grade
An A through F grade based on violation history, contaminant levels, and health guideline comparisons.
Filter recommendations
Which type of water filter will actually remove the contaminants found in your specific water system.
Water quality in nearby cities
Check your San Jose water now
Enter your ZIP code for a free water quality report specific to your water system in San Jose, California.