WaterQ
Washington State Report All States
Official Status: March 2026

Is Ilwaco tap water safe to drink?

✓ Generally Safe
A

Mostly yes — Ilwaco scores 100/100.

Safety Score
100
out of 100

Still not sure if you need a filter in Ilwaco?

Read Decision Guide →

Ilwaco

Washington

View Washington state report Verified: Apr 2026

Is Ilwaco tap water safe to drink?

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

🛡️ Home Water Treatment Needs

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

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 Ilwaco? See our analysis.

Baby Formula Safety

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

Homebuyer's Perspective

For those looking to relocate to Ilwaco, 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 Ilwaco a preferred choice for health-conscious families.

View Health Risk Glossary →

Score Breakdown for Ilwaco

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 Ilwaco tap water safe to drink?

Mostly yes — Ilwaco scores 100/100.

How many water systems serve Ilwaco?

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

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

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

What is the water quality score for Ilwaco?

The water quality score for Ilwaco 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 Ilwaco?

Current contaminant data for Ilwaco 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
2,757

Ilwaco Water Quality Summary

Ilwaco, 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.

Ilwaco'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 Ilwaco (0)

Water system data coming soon for Ilwaco.

Related

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