Brentwood
Is Brentwood tap water safe to drink?
Mostly yes — Brentwood scores 90/100. This report aggregates EPA drinking water data across 1 local system in Brentwood. We found 41 total violations (11 unresolved).
Real-Time Environment
Live: 12:45 PM☀️ No active precipitation. Rainfall can impact surface water turbidity and pollutant runoff in Brentwood.
Water Quality Impact
🛡️ Home Water Treatment Needs
Should you invest in filtration or softening for your home in Brentwood?
Expert Advice
Your water quality is excellent. Standard filtration is optional but can further enhance taste.
Buying a Filter?
Wondering if Brentwood tap water needs filtering? We break it down.
Baby Formula Safety
Mixing baby formula with Brentwood tap water? Read this first.
Homebuyer's Perspective
If you're house-hunting in Brentwood, water quality belongs on your due-diligence checklist alongside schools and crime data. The high safety score (90/100) 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 Brentwood
Based on EPA SDWIS violation records and contaminant test results for all water systems serving Brentwood.
Frequently Asked Questions
Is Brentwood tap water safe to drink?
Mostly yes — Brentwood scores 90/100.
How many water systems serve Brentwood?
Brentwood is served by 1 public water system in our latest EPA-backed dataset.
How can I check water quality for my exact address in Brentwood?
Use the WaterQ search tool to look up your ZIP code and view nearby systems, contaminant levels, and recent violations for Brentwood.
What is the water quality score for Brentwood?
The water quality score for Brentwood is 90 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 Brentwood?
The top contaminants detected in Brentwood include Lead (90th percentile). View detailed information on our contaminants page.
Brentwood Water Quality Summary
Brentwood, CA receives a water quality score of 90/100 (Grade A) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 1 public water system serving the area.
Brentwood'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.
Brentwood's score of 90 is 1 point above the California state average of 89, and above the nationwide average of roughly 78/100 across all U.S. states.
For residents or prospective homebuyers looking at this mid-size California city, the local public infrastructure delivers exceptionally high-quality tap water from its single municipal system, earning top-tier marks for safety and cleanliness. This strong performance is notable given the city's position within a West Coast region defined by large urban centers, Central Valley agriculture, and varied geology. Homeowners can feel confident that this sole system successfully manages these regional environmental factors to maintain exemplary standards.
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 Brentwood (1)
Check Your Specific Address
Water quality can vary by neighborhood in Brentwood.
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