WaterQ
California State Report All States
Official Status: March 2026

Is Yountville tap water safe to drink?

✓ Generally Safe
A

Mostly yes — Yountville scores 94/100.

Safety Score
94
out of 100

Still not sure if you need a filter in Yountville?

Read Decision Guide →

Yountville

California

View California state report Verified: Apr 2026

Is Yountville tap water safe to drink?

Mostly yes — Yountville scores 94/100. This report aggregates EPA drinking water data across 0 local systems in Yountville. We found 0 total violations (0 unresolved).

🛡️ Home Water Treatment Needs

Should you invest in filtration or softening for your home in Yountville?

Requirement Status
Optional
🟢
💡

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 Yountville? See our analysis.

Baby Formula Safety

Is Yountville tap water safe for infants? Critical safety guide.

Homebuyer's Perspective

For those looking to relocate to Yountville, water quality is a key factor in long-term property maintenance. The high safety score (94/100) suggests lower risk for plumbing corrosion and appliance scaling.

Property Impact: Positive / Stable

Health & Family Safety

Current records show no major contaminant spikes, making Yountville a preferred choice for health-conscious families.

View Health Risk Glossary →

Score Breakdown for Yountville

EPA Compliance & Violations 85/100
Contaminant Safety Margin 94%

*Scores are calculated using weighted EPA monitoring data from the past 5 years.

Frequently Asked Questions

Is Yountville tap water safe to drink?

Mostly yes — Yountville scores 94/100.

How many water systems serve Yountville?

Yountville is served by 0 public water systems in our latest EPA-backed dataset.

How can I check water quality for my exact address in Yountville?

Use the WaterQ search tool to look up your ZIP code and view nearby systems, contaminant levels, and recent violations for Yountville.

What is the water quality score for Yountville?

The water quality score for Yountville is N/A out of 100, based on EPA contaminant data, violation history, and testing results for all serving water systems.

What are the top contaminants in Yountville?

Current contaminant data for Yountville is being updated. Check back soon or search your specific address for the latest results.

Water Quality Score
94/100
Grade
A
Water Systems
2
Population
3,787

Yountville Water Quality Summary

Yountville, CA receives a water quality score of 94/100 (Grade A) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 2 public water systems serving the area.

Yountville'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.

Water quality data is sourced from the U.S. EPA SDWIS database and updated quarterly. Learn about our scoring methodology →

Water Systems Serving Yountville (0)

Water system data coming soon for Yountville.

Related

Compare Yountville water quality: View all states · Contaminant library · How we score water quality