WaterQ
Washington State Report All States
Official Status: March 2026

Is Anderson Island tap water safe to drink?

✓ Generally Safe
A

Mostly yes — Anderson Island scores 100/100.

Safety Score
100
out of 100

Still not sure if you need a filter in Anderson Island?

Read Decision Guide →

Anderson Island

Washington

View Washington state report Verified: Apr 2026

Is Anderson Island tap water safe to drink?

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

🛡️ Home Water Treatment Needs

Should you invest in filtration or softening for your home in Anderson Island?

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 Anderson Island? See our analysis.

Baby Formula Safety

Is Anderson Island tap water safe for infants? Critical safety guide.

Homebuyer's Perspective

For those looking to relocate to Anderson Island, 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.

Property Impact: Positive / Stable

Health & Family Safety

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

View Health Risk Glossary →

Score Breakdown for Anderson Island

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

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

Frequently Asked Questions

Is Anderson Island tap water safe to drink?

Mostly yes — Anderson Island scores 100/100.

How many water systems serve Anderson Island?

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

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

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

What is the water quality score for Anderson Island?

The water quality score for Anderson Island 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 Anderson Island?

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

Water Quality Score
100/100
Grade
A
Water Systems
1
Population
1,380

Anderson Island Water Quality Summary

Anderson Island, WA 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.

Anderson Island'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 Anderson Island (0)

Water system data coming soon for Anderson Island.

Related

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