Santa Clara
Is Santa Clara tap water safe to drink?
Mostly yes — Santa Clara scores 100/100. This report aggregates EPA drinking water data across 1 local system in Santa Clara. We found 7 total violations (1 unresolved).
Real-Time Environment
Live: 04:15 PM☀️ No active precipitation. Rainfall can impact surface water turbidity and pollutant runoff in Santa Clara.
Water Quality Impact
🛡️ Home Water Treatment Needs
Should you invest in filtration or softening for your home in Santa Clara?
Expert Advice
Your water quality is excellent. Standard filtration is optional but can further enhance taste.
Buying a Filter?
Wondering if Santa Clara tap water needs filtering? We break it down.
Baby Formula Safety
Mixing baby formula with Santa Clara tap water? Read this first.
Homebuyer's Perspective
If you're house-hunting in Santa Clara, water quality belongs on your due-diligence checklist alongside schools and crime data. The high safety score (100/100) suggests lower risk for plumbing corrosion and appliance scaling.
Health & Family Safety
Residents should monitor Lead (90th percentile) levels. Pregnant women and families with young children should consult the specific EPA health goals listed below.
View Health Risk Glossary →Compliance Record for Santa Clara
Based on EPA SDWIS violation records and contaminant test results for all water systems serving Santa Clara.
Frequently Asked Questions
Is Santa Clara tap water safe to drink?
Mostly yes — Santa Clara scores 100/100.
How many water systems serve Santa Clara?
Santa Clara is served by 1 public water system in our latest EPA-backed dataset.
How can I check water quality for my exact address in Santa Clara?
Use the WaterQ search tool to look up your ZIP code and view nearby systems, contaminant levels, and recent violations for Santa Clara.
What is the water quality score for Santa Clara?
The water quality score for Santa Clara is 100 out of 100, based on EPA contaminant data, violation history, and testing results across the 1 system serving the city.
What are the top contaminants in Santa Clara?
The top contaminants detected in Santa Clara include Lead (90th percentile). View detailed information on our contaminants page.
Santa Clara Water Quality Summary
Santa Clara, CA receives a water quality score of 100/100 (Grade A) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 1 public water system serving the area.
Santa Clara's water quality is above the national average, with strong compliance records and low contaminant levels. Residents generally receive clean, safe tap water that meets EPA standards.
Santa Clara's score of 100 is 11 points above the California state average of 89, and above the nationwide average of roughly 78/100 across all U.S. states.
For families and prospective homebuyers looking at Santa Clara, California, the local drinking supply is managed through a single water system serving this mid-size city. This centralized setup successfully manages the complex environmental and geological dynamics of the West Coast region, which features large urban centers, Central Valley agriculture, and varied geology. The outstanding quality rating highlights that tap water here meets rigorous standards, giving residents confidence in their daily household supply.
Water quality data is sourced from the U.S. EPA SDWIS database and updated quarterly. Learn about our scoring methodology → Read our California water quality rankings report →
Key Contaminants
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Water Systems Serving Santa Clara (1)
Check Your Specific Address
Water quality can vary by neighborhood in Santa Clara.
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