Olympia
Is Olympia tap water safe to drink?
Mostly yes — Olympia scores 87/100. This report aggregates EPA drinking water data across 5 local systems in Olympia. We found 850 total violations (99 unresolved).
Real-Time Environment
Live: 01:30 PM☀️ No active precipitation. Rainfall can impact surface water turbidity and pollutant runoff in Olympia.
Water Quality Impact
🛡️ Home Water Treatment Needs
Should you invest in filtration or softening for your home in Olympia?
Expert Advice
Your water quality is excellent. Standard filtration is optional but can further enhance taste.
Buying a Filter?
Filtration technologies matched to Olympia contaminant records.
Baby Formula Safety
Guidance on preparing infant formula using municipal tap water in Olympia.
Homebuyer's Perspective
Municipal water quality in Olympia directly influences pipe corrosion rates and home filtration needs. The high safety score (87/100) 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 Olympia
Based on EPA SDWIS violation records and contaminant test results for all water systems serving Olympia.
Frequently Asked Questions
Is Olympia tap water safe to drink?
Mostly yes — Olympia scores 87/100.
How many water systems serve Olympia?
Olympia is served by 5 public water systems in our latest EPA-backed dataset.
How can I check water quality for my exact address in Olympia?
Use the WaterQ search tool to look up your ZIP code and view nearby systems, contaminant levels, and recent violations for Olympia.
What is the water quality score for Olympia?
The water quality score for Olympia is 87 out of 100, based on EPA contaminant data, violation history, and testing results across the 5 systems serving the city.
What are the top contaminants in Olympia?
The top contaminants detected in Olympia include Lead (90th percentile). View detailed information on our contaminants page.
Olympia Water Quality Summary
Olympia, WA receives a water quality score of 87/100 (Grade B) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 5 public water systems serving the area.
Olympia'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.
Olympia's score of 87 is 7 points below the Washington state average of 94, and above the nationwide average of roughly 78/100 across all U.S. states.
Olympia, Washington, is a mid-size city located in a Pacific Northwest region of forested mountains and Puget Sound coastline, where the source water is generally clean. This regional context benefits the area's five water systems, which consistently deliver tap water that achieves excellent ratings. For residents and prospective homebuyers, these strong performance marks provide regulatory assurance regarding the safety and quality of the local drinking 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
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Water Systems Serving Olympia (5)
Olympia City Of
BBoston Harbor
BNisqually-Leschi & West Nisqually
BCarlyon Beach Homeowners
BGrand Mound
ACheck Your Specific Address
Water quality can vary by neighborhood in Olympia.
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Compare Olympia water quality: View all states · Contaminant library · How we score water quality