WaterQ
Washington State Report All States
Official Status: March 2026

Is Redmond tap water safe to drink?

✓ Generally Safe
A

Mostly yes — Redmond scores 98/100.

Safety Score
98
out of 100

Still not sure if you need a filter in Redmond?

Read Decision Guide →

Redmond

Washington

View Washington state report Data updated: Mar 2026

Is Redmond tap water safe to drink?

Mostly yes — Redmond scores 98/100. This report aggregates EPA drinking water data across 3 local systems in Redmond. We found 492 total violations (69 unresolved).

Real-Time Environment

Live: 06:15 PM
0mm Precipitation

☀️ No active precipitation. Rainfall can impact surface water turbidity and pollutant runoff in Redmond.

Water Quality Impact

✅ Minimal Impact Localized weather conditions may influence test result variability.

🛡️ Home Water Treatment Needs

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

Requirement Status
Optional
🟢
💡

Expert Advice

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

Buying a Filter?

Wondering if Redmond tap water needs filtering? We break it down.

Baby Formula Safety

Mixing baby formula with Redmond tap water? Read this first.

Homebuyer's Perspective

If you're house-hunting in Redmond, water quality belongs on your due-diligence checklist alongside schools and crime data. The high safety score (98/100) suggests lower risk for plumbing corrosion and appliance scaling.

Property Impact: Positive / Stable

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 Redmond

492
Violations (5yr)
69
Unresolved
1
Contaminants Tracked
0
Exceeding EPA Limit

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

Frequently Asked Questions

Is Redmond tap water safe to drink?

Mostly yes — Redmond scores 98/100.

How many water systems serve Redmond?

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

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

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

What is the water quality score for Redmond?

The water quality score for Redmond is 98 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 Redmond?

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

Water Quality Score
98/100
Grade
A
Water Systems
3
Population
175,279

Redmond Water Quality Summary

Redmond, WA receives a water quality score of 98/100 (Grade A) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 3 public water systems serving the area.

Redmond'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.

Redmond's score of 98 is 4 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 prospective homebuyers looking at Redmond, Washington, the local drinking water benefits from its Pacific Northwest regional context, where forested mountains and the Puget Sound coastline yield generally clean source water. This mid-size city distributes its supply through three water systems, successfully maintaining an excellent standard that yields a top-tier score and grade. Homeowners in the area can feel confident in the cleanliness of their domestic supply, which consistently performs at the highest levels.

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

Lead (90th percentile)
0.0058 / 0.015 mg/L
0 mg/L MCL: 0.015 mg/L

Get notified if Redmond'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 Redmond (3)

Related

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