Spokane
Is Spokane tap water safe to drink?
Mostly yes — Spokane scores 98/100. This report aggregates EPA drinking water data across 15 local systems in Spokane. We found 1840 total violations (361 unresolved).
Real-Time Environment
Live: 11:45 AM☀️ No active precipitation. Rainfall can impact surface water turbidity and pollutant runoff in Spokane.
Water Quality Impact
🛡️ Home Water Treatment Needs
Should you invest in filtration or softening for your home in Spokane?
Expert Advice
Your water quality is excellent. Standard filtration is optional but can further enhance taste.
Buying a Filter?
Filter requirements and certified reduction benchmarks for Spokane tap water.
Baby Formula Safety
Infant formula preparation risks, nitrate levels, and lead pipe guidance in Spokane.
Homebuyer's Perspective
Evaluating water infrastructure in Spokane protects plumbing and helps estimate water heater longevity. The high safety score (98/100) 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 Spokane
Based on EPA SDWIS violation records and contaminant test results for all water systems serving Spokane.
Frequently Asked Questions
Is Spokane tap water safe to drink?
Mostly yes — Spokane scores 98/100.
How many water systems serve Spokane?
Spokane is served by 15 public water systems in our latest EPA-backed dataset.
How can I check water quality for my exact address in Spokane?
Use the WaterQ search tool to look up your ZIP code and view nearby systems, contaminant levels, and recent violations for Spokane.
What is the water quality score for Spokane?
The water quality score for Spokane is 98 out of 100, based on EPA contaminant data, violation history, and testing results across the 15 systems serving the city.
What are the top contaminants in Spokane?
The top contaminants detected in Spokane include Lead (90th percentile). View detailed information on our contaminants page.
Spokane Water Quality Summary
Spokane, WA receives a water quality score of 98/100 (Grade A) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 15 public water systems serving the area.
Spokane'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.
Spokane'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.
Spokane, a large city in Washington, benefits from a Pacific Northwest region characterized by forested mountains and the Puget Sound coastline, which generally yield clean source water. Across the fifteen water systems serving the area, tap water consistently meets exceptional standards, earning top-tier marks for quality and safety. For current residents and prospective homebuyers, this excellent performance provides consistent water quality regarding the reliability and purity of the local water supply.
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 Spokane (15)
Orchard Avenue Irrigation Dist 6
ATrentwood Irrigation District 3
ASpokane Business & Industrial Park
ASpokane City Of
AWhitworth University
ANorth Spokane Irrigation District 8
AMillwood City Of
AModel Irrigation Dist #18
AModern Electric Water Co
APasadena Park Irr Dist 17
AProvidence Shmc
AIrvin Water District #6
ASpo Co Water Dist 3 Sys 1
ASpo Co Water Dist 3 Sys 3
ASpo Co Water Dist 3 Sys 4
ACheck Your Specific Address
Water quality can vary by neighborhood in Spokane.
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Compare Spokane water quality: View all states · Contaminant library · How we score water quality