Friday Harbor
Is Friday Harbor tap water safe to drink?
Mostly yes — Friday Harbor scores 94/100. This report aggregates EPA drinking water data across 0 local systems in Friday Harbor. We found 0 total violations (0 unresolved).
Real-Time Environment
Live: 07:00 PM☀️ No active precipitation. Rainfall can impact surface water turbidity and pollutant runoff in Friday Harbor.
Water Quality Impact
🛡️ Home Water Treatment Needs
Should you invest in filtration or softening for your home in Friday Harbor?
Expert Advice
Your water quality is excellent. Standard filtration is optional but can further enhance taste.
Buying a Filter?
Filter or no filter for Friday Harbor water? Here's what the data says.
Baby Formula Safety
What new parents in Friday Harbor should know about tap water safety.
Homebuyer's Perspective
Water quality is easy to overlook when evaluating a move to Friday Harbor, but it can affect plumbing longevity and appliance lifespan. The high safety score (94/100) suggests lower risk for plumbing corrosion and appliance scaling.
Health & Family Safety
Current records show no major contaminant spikes, making Friday Harbor a preferred choice for health-conscious families.
View Health Risk Glossary →Compliance Record for Friday Harbor
Based on EPA SDWIS violation records and contaminant test results for all water systems serving Friday Harbor.
Frequently Asked Questions
Is Friday Harbor tap water safe to drink?
Mostly yes — Friday Harbor scores 94/100.
How many water systems serve Friday Harbor?
Friday Harbor is served by 0 public water systems in our latest EPA-backed dataset.
How can I check water quality for my exact address in Friday Harbor?
Use the WaterQ search tool to look up your ZIP code and view nearby systems, contaminant levels, and recent violations for Friday Harbor.
What is the water quality score for Friday Harbor?
The water quality score for Friday Harbor is 94 out of 100, based on EPA contaminant data, violation history, and testing results for all serving water systems.
What are the top contaminants in Friday Harbor?
Current contaminant data for Friday Harbor is being updated. Check back soon or search your specific address for the latest results.
Friday Harbor Water Quality Summary
Friday Harbor, WA 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.
Friday Harbor'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.
Friday Harbor's score of 94 is 1 point below the Washington state average of 95, 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 →
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Water Systems Serving Friday Harbor (0)
Water system data coming soon for Friday Harbor.
Check Your Specific Address
Water quality can vary by neighborhood in Friday Harbor.
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Quick compare in Washington
Compare Friday Harbor water quality: View all states · Contaminant library · How we score water quality