Sumner
Is Sumner tap water safe to drink?
Mostly yes — Sumner scores 97/100. This report aggregates EPA drinking water data across 1 local system in Sumner. We found 108 total violations (29 unresolved).
Real-Time Environment
Live: 09:00 PM☀️ No active precipitation. Rainfall can impact surface water turbidity and pollutant runoff in Sumner.
Water Quality Impact
🛡️ Home Water Treatment Needs
Should you invest in filtration or softening for your home in Sumner?
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 Sumner? See our analysis.
Baby Formula Safety
Is Sumner tap water safe for infants? Critical safety guide.
Homebuyer's Perspective
For those looking to relocate to Sumner, water quality is a key factor in long-term property maintenance. The high safety score (97/100) suggests lower risk for plumbing corrosion and appliance scaling.
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 Sumner
Based on EPA SDWIS violation records and contaminant test results for all water systems serving Sumner.
Frequently Asked Questions
Is Sumner tap water safe to drink?
Mostly yes — Sumner scores 97/100.
How many water systems serve Sumner?
Sumner is served by 1 public water system in our latest EPA-backed dataset.
How can I check water quality for my exact address in Sumner?
Use the WaterQ search tool to look up your ZIP code and view nearby systems, contaminant levels, and recent violations for Sumner.
What is the water quality score for Sumner?
The water quality score for Sumner is 97 out of 100, based on EPA contaminant data, violation history, and testing results across the 1 system serving the city.
What are the top contaminants in Sumner?
The top contaminants detected in Sumner include Lead (90th percentile). View detailed information on our contaminants page.
Sumner Water Quality Summary
Sumner, WA receives a water quality score of 97/100 (Grade A) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 1 public water system serving the area.
Sumner'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.
Sumner's score of 97 is 3 points above the Washington state average of 94, 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 →
Key Contaminants
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Water Systems Serving Sumner (1)
Check Your Specific Address
Water quality can vary by neighborhood in Sumner.
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