Concord
Is Concord tap water safe to drink?
Mostly yes — Concord scores 100/100. This report aggregates EPA drinking water data across 1 local system in Concord. We found 4 total violations (1 unresolved).
🛡️ Home Water Treatment Needs
Should you invest in filtration or softening for your home in Concord?
Expert Advice
Your water quality is excellent. Standard filtration is optional but can further enhance taste.
Buying a Filter?
Should you buy a water purifier in Concord? See our analysis.
Baby Formula Safety
Is Concord tap water safe for infants? Critical safety guide.
Homebuyer's Perspective
For those looking to relocate to Concord, water quality is a key factor in long-term property maintenance. 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 Concord
Based on EPA SDWIS violation records and contaminant test results for all water systems serving Concord.
Frequently Asked Questions
Is Concord tap water safe to drink?
Mostly yes — Concord scores 100/100.
How many water systems serve Concord?
Concord is served by 1 public water system in our latest EPA-backed dataset.
How can I check water quality for my exact address in Concord?
Use the WaterQ search tool to look up your ZIP code and view nearby systems, contaminant levels, and recent violations for Concord.
What is the water quality score for Concord?
The water quality score for Concord 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 Concord?
The top contaminants detected in Concord include Lead (90th percentile). View detailed information on our contaminants page.
Concord Water Quality Summary
Concord, 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.
Concord'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.
Concord'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.
Homeowners and prospective buyers in Concord can take confidence in the exceptional quality maintained by the sole water system serving the community. Managing the supply in this West Coast region requires navigating a complex landscape shaped by large urban centers, varied local geology, and nearby Central Valley agriculture. The local system's perfect marks indicate that these regional environmental factors are successfully managed, ensuring clean domestic tap water is delivered throughout this mid-size California city.
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 Concord (1)
Check Your Specific Address
Water quality can vary by neighborhood in Concord.
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Compare Concord water quality: View all states · Contaminant library · How we score water quality