Leavenworth
Is Leavenworth tap water safe to drink?
Mostly yes — Leavenworth scores 92/100. This report aggregates EPA drinking water data across 3 local systems in Leavenworth. We found 143 total violations (57 unresolved).
🛡️ Home Water Treatment Needs
Should you invest in filtration or softening for your home in Leavenworth?
Expert Advice
Your water quality is excellent. Standard filtration is optional but can further enhance taste.
Buying a Filter?
Filter or no filter for Leavenworth water? Here's what the data says.
Baby Formula Safety
What new parents in Leavenworth should know about tap water safety.
Homebuyer's Perspective
Water quality is easy to overlook when evaluating a move to Leavenworth, but it can affect plumbing longevity and appliance lifespan. The high safety score (92/100) 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 Leavenworth
Based on EPA SDWIS violation records and contaminant test results for all water systems serving Leavenworth.
Frequently Asked Questions
Is Leavenworth tap water safe to drink?
Mostly yes — Leavenworth scores 92/100.
How many water systems serve Leavenworth?
Leavenworth is served by 3 public water systems in our latest EPA-backed dataset.
How can I check water quality for my exact address in Leavenworth?
Use the WaterQ search tool to look up your ZIP code and view nearby systems, contaminant levels, and recent violations for Leavenworth.
What is the water quality score for Leavenworth?
The water quality score for Leavenworth is 92 out of 100, based on EPA contaminant data, violation history, and testing results across the 3 systems serving the city.
What are the top contaminants in Leavenworth?
The top contaminants detected in Leavenworth include Lead (90th percentile). View detailed information on our contaminants page.
Leavenworth Water Quality Summary
Leavenworth, WA receives a water quality score of 92/100 (Grade A) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 3 public water systems serving the area.
Leavenworth'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.
Leavenworth's score of 92 is 2 points below the Washington state average of 94, and above the nationwide average of roughly 78/100 across all U.S. states.
Water quality data is sourced from the U.S. EPA SDWIS database and updated quarterly. Learn about our scoring methodology → Read our Washington water quality rankings report →
Key Contaminants
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Water Systems Serving Leavenworth (3)
Check Your Specific Address
Water quality can vary by neighborhood in Leavenworth.
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