Water Quality Testing
San Jose, CA Water Quality Testing Results
Drinking water quality data for San Jose, CA based on official EPA compliance records. This page covers all 3 EPA-tracked water systems serving San Jose.
No current health violations on record
No open health-based violations are recorded for San Jose's water providers. Water meets current federal standards.
Overall Water Quality — San Jose
No Concerns Detected
Water meets all safety standards with no detected exceedances.
Overall rating reflects the worst risk level among all utilities serving San Jose. Individual utility pages have full violation details.
Water utilities serving San Jose, CA
The following utilities serve San Jose based on EPA service-area data. Your water bill is the most reliable way to confirm your provider.
Water Quality in San Jose
No active contaminant violations
No health-based contaminant violations are currently recorded for San Jose's water providers. Review each utility's Consumer Confidence Report for full test results.
Explore Water Quality in San Jose
Cwsc King City
Violation history, PFAS records, and official source links
City of San Jose - Evg/edv/coy
Violation history, PFAS records, and official source links
City of San Jose - Nsj/alviso
Violation history, PFAS records, and official source links
PFAS monitoring records — California
3 water systems in California with EPA UCMR 5 records
Lead in California drinking water
State-specific lead data, violation utilities, and testing guidance
PFAS in California drinking water
State-specific PFAS data, MCL context, and treatment options
Certified water testing labs in California
Labs certified for PFAS (EPA 533/537.1), lead, and bacteria testing
Water treatment options
Reverse osmosis, activated carbon, and filtration guides with cost ranges
Data sources and methodology
How WaterUtilityReport.com sources and validates official EPA data
Common Questions About San Jose Drinking Water
Is San Jose tap water safe to drink?
No open health-based violations recorded for San Jose water providers
Does San Jose have PFAS records?
3 water systems serving San Jose have EPA UCMR 5 PFAS records
What official contamination records exist for San Jose utilities?
Official EPA SDWIS violations and UCMR 5 PFAS sampling records with source links
How do I get my water tested in California?
Find state-certified labs for PFAS, lead, nitrate, and bacteria testing in California
What treatment options remove San Jose water contaminants?
Reverse osmosis, activated carbon, and whole-home filtration guides
What is the overall water quality rating for San Jose?
California state overview — utility directory, violations, and PFAS data
Public drinking water datasets may not include every recent test, private well result, household plumbing issue, or local advisory. Use this page as a starting point, not as a substitute for official guidance, your utility's Consumer Confidence Report, or professional testing.
Water Utility Report summarizes public records from official federal, state, utility, or testing datasets where available. For urgent health or compliance questions, contact your utility, local health department, or the EPA directly. How Water Utility Report uses public drinking water data
Independent Water Testing
Get your water tested by a certified lab
EPA compliance data shows what utilities report — an independent test confirms what's actually coming out of your tap. Certified labs in California can test for PFAS, lead, nitrates, and dozens of other contaminants.
San Jose Water FAQs
Related Pages
California drinking water overview
All utilities and data in CA
PFAS test results for Cwsc King City
Official EPA PFAS monitoring data
PFAS test results for City of San Jose - Evg/edv/coy
Official EPA PFAS monitoring data
PFAS test results for City of San Jose - Nsj/alviso
Official EPA PFAS monitoring data
Data Sources & Provenance
All data on this page is sourced from official U.S. government or public datasets.
San Jose at a Glance
Service area match is likely but not guaranteed. Your water bill is the most reliable way to confirm your provider.