Water Quality Testing
Seattle, WA Water Quality Testing Results
Drinking water quality data for Seattle, WA based on official EPA compliance records. This page covers all 1 EPA-tracked water system serving Seattle.
No current health violations on record
No open health-based violations are recorded for Seattle's water providers. Water meets current federal standards.
Overall Water Quality — Seattle
No Concerns Detected
Water meets all safety standards with no detected exceedances.
Overall rating reflects the worst risk level among all utilities serving Seattle. Individual utility pages have full violation details.
Water utilities serving Seattle, WA
The following utilities serve Seattle based on EPA service-area data. Your water bill is the most reliable way to confirm your provider.
Water Quality in Seattle
No active contaminant violations
No health-based contaminant violations are currently recorded for Seattle's water providers. Review each utility's Consumer Confidence Report for full test results.
Explore Water Quality in Seattle
Seattle Public Utilities
Violation history, PFAS records, and official source links
PFAS monitoring records — Washington
1 water system in Washington with EPA UCMR 5 records
Lead in Washington drinking water
State-specific lead data, violation utilities, and testing guidance
PFAS in Washington drinking water
State-specific PFAS data, MCL context, and treatment options
Certified water testing labs in Washington
Labs certified for PFAS (EPA 533/537.1), lead, and bacteria testing
Water treatment options
Reverse osmosis, activated carbon, and filtration guides with cost ranges
Data sources and methodology
How WaterUtilityReport.com sources and validates official EPA data
Common Questions About Seattle Drinking Water
Is Seattle tap water safe to drink?
No open health-based violations recorded for Seattle water providers
Does Seattle have PFAS records?
1 water system serving Seattle have EPA UCMR 5 PFAS records
What official contamination records exist for Seattle utilities?
Official EPA SDWIS violations and UCMR 5 PFAS sampling records with source links
How do I get my water tested in Washington?
Find state-certified labs for PFAS, lead, nitrate, and bacteria testing in Washington
What treatment options remove Seattle water contaminants?
Reverse osmosis, activated carbon, and whole-home filtration guides
What is the overall water quality rating for Seattle?
Washington state overview — utility directory, violations, and PFAS data
Public drinking water datasets may not include every recent test, private well result, household plumbing issue, or local advisory. Use this page as a starting point, not as a substitute for official guidance, your utility's Consumer Confidence Report, or professional testing.
Water Utility Report summarizes public records from official federal, state, utility, or testing datasets where available. For urgent health or compliance questions, contact your utility, local health department, or the EPA directly. How Water Utility Report uses public drinking water data
Independent Water Testing
Get your water tested by a certified lab
EPA compliance data shows what utilities report — an independent test confirms what's actually coming out of your tap. Certified labs in Washington can test for PFAS, lead, nitrates, and dozens of other contaminants.
Seattle Water FAQs
Related Pages
Data Sources & Provenance
All data on this page is sourced from official U.S. government or public datasets.
Seattle at a Glance
Providers
Service area match is likely but not guaranteed. Your water bill is the most reliable way to confirm your provider.