Pleasanton
Is Pleasanton tap water safe to drink?
Mostly yes — Pleasanton scores 93/100. This report aggregates EPA drinking water data across 2 local systems in Pleasanton. We found 8 total violations (4 unresolved).
🛡️ Home Water Treatment Needs
Should you invest in filtration or softening for your home in Pleasanton?
Expert Advice
Your water quality is excellent. Standard filtration is optional but can further enhance taste.
Buying a Filter?
Wondering if Pleasanton tap water needs filtering? We break it down.
Baby Formula Safety
Mixing baby formula with Pleasanton tap water? Read this first.
Homebuyer's Perspective
If you're house-hunting in Pleasanton, water quality belongs on your due-diligence checklist alongside schools and crime data. The high safety score (93/100) 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 Pleasanton
Based on EPA SDWIS violation records and contaminant test results for all water systems serving Pleasanton.
Frequently Asked Questions
Is Pleasanton tap water safe to drink?
Mostly yes — Pleasanton scores 93/100.
How many water systems serve Pleasanton?
Pleasanton is served by 2 public water systems in our latest EPA-backed dataset.
How can I check water quality for my exact address in Pleasanton?
Use the WaterQ search tool to look up your ZIP code and view nearby systems, contaminant levels, and recent violations for Pleasanton.
What is the water quality score for Pleasanton?
The water quality score for Pleasanton is 93 out of 100, based on EPA contaminant data, violation history, and testing results across the 2 systems serving the city.
What are the top contaminants in Pleasanton?
The top contaminants detected in Pleasanton include Lead (90th percentile). View detailed information on our contaminants page.
Pleasanton Water Quality Summary
Pleasanton, CA receives a water quality score of 93/100 (Grade A) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 2 public water systems serving the area.
Pleasanton'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.
Pleasanton's score of 93 is 4 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 this mid-size California city, the local tap water stands out for its exceptional quality, reflecting a high level of safety and reliability. Pleasanton's water supply, delivered through its municipal systems, successfully navigates regional West Coast challenges, such as the environmental impacts of large urban centers and Central Valley agriculture. Furthermore, the local management effectively addresses the natural variations arising from the area's complex geology. This consistent performance provides peace of mind for residents who rely on clean, dependable water for their daily household needs.
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 Pleasanton (2)
Check Your Specific Address
Water quality can vary by neighborhood in Pleasanton.
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