WaterQ
Washington State Report All States
Official Status: March 2026

Is Vancouver tap water safe to drink?

✓ Generally Safe
A

Mostly yes — Vancouver scores 96/100.

Safety Score
96
out of 100

Still not sure if you need a filter in Vancouver?

Read Decision Guide →

Vancouver

Washington

View Washington state report Data updated: Mar 2026

Is Vancouver tap water safe to drink?

Mostly yes — Vancouver scores 96/100. This report aggregates EPA drinking water data across 3 local systems in Vancouver. We found 198 total violations (113 unresolved).

🛡️ Home Water Treatment Needs

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

Requirement Status
Optional
🟢
💡

Expert Advice

Your water quality is excellent. Standard filtration is optional but can further enhance taste.

Buying a Filter?

Filter or no filter for Vancouver water? Here's what the data says.

Baby Formula Safety

What new parents in Vancouver should know about tap water safety.

Homebuyer's Perspective

Water quality is easy to overlook when evaluating a move to Vancouver, but it can affect plumbing longevity and appliance lifespan. The high safety score (96/100) suggests lower risk for plumbing corrosion and appliance scaling.

Property Impact: Positive / Stable

Health & Family Safety

Residents should monitor Copper (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 Vancouver

198
Violations (5yr)
113
Unresolved
2
Contaminants Tracked
1
Exceeding EPA Limit

Based on EPA SDWIS violation records and contaminant test results for all water systems serving Vancouver.

Frequently Asked Questions

Is Vancouver tap water safe to drink?

Mostly yes — Vancouver scores 96/100.

How many water systems serve Vancouver?

Vancouver is served by 3 public water systems in our latest EPA-backed dataset.

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

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

What is the water quality score for Vancouver?

The water quality score for Vancouver is 96 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 Vancouver?

The top contaminants detected in Vancouver include Copper (90th percentile), Lead (90th percentile). View detailed information on our contaminants page.

Water Quality Score
96/100
Grade
A
Water Systems
3
Population
529,607

Vancouver Water Quality Summary

Vancouver, WA receives a water quality score of 96/100 (Grade A) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 3 public water systems serving the area.

Vancouver'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.

Vancouver's score of 96 is 2 points above the Washington state average of 94, and above the nationwide average of roughly 78/100 across all U.S. states.

For residents and homebuyers in Vancouver, Washington, this large city benefits from its location in the Pacific Northwest, a region characterized by forested mountains and the Puget Sound coastline that yield generally clean source water. Tap water is distributed through three local systems, consistently maintaining exemplary quality ratings. This strong performance offers peace of mind to local households, proving that the city successfully preserves and delivers its clean source water.

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

Copper (90th percentile) Violation
1.5 / 1.3 mg/L
0 mg/L MCL: 1.3 mg/L
Lead (90th percentile)
0.0022 / 0.015 mg/L
0 mg/L MCL: 0.015 mg/L

Get notified if Vancouver's water quality changes

Free email alert when the EPA reports a new violation or boil-water advisory for your water system. No spam — just the alerts you asked for.

By subscribing you agree to receive occasional water-quality alert emails. Unsubscribe anytime. See our Privacy Policy.

Water Systems Serving Vancouver (3)

Related

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