Tacoma
Is Tacoma tap water safe to drink?
Mostly yes — Tacoma scores 97/100. This report aggregates EPA drinking water data across 2 local systems in Tacoma. We found 0 total violations (0 unresolved).
Real-Time Environment
Live: 04:30 PM☀️ No active precipitation. Rainfall can impact surface water turbidity and pollutant runoff in Tacoma.
Water Quality Impact
🛡️ Home Water Treatment Needs
Should you invest in filtration or softening for your home in Tacoma?
Expert Advice
Your water quality is excellent. Standard filtration is optional but can further enhance taste.
Buying a Filter?
Filter or no filter for Tacoma water? Here's what the data says.
Baby Formula Safety
What new parents in Tacoma should know about tap water safety.
Homebuyer's Perspective
Water quality is easy to overlook when evaluating a move to Tacoma, but it can affect plumbing longevity and appliance lifespan. The high safety score (97/100) suggests lower risk for plumbing corrosion and appliance scaling.
Health & Family Safety
Residents should monitor Manganese levels. Pregnant women and families with young children should consult the specific EPA health goals listed below.
View Health Risk Glossary →Compliance Record for Tacoma
Based on EPA SDWIS violation records and contaminant test results for all water systems serving Tacoma.
Frequently Asked Questions
Is Tacoma tap water safe to drink?
Mostly yes — Tacoma scores 97/100.
How many water systems serve Tacoma?
Tacoma is served by 2 public water systems in our latest EPA-backed dataset.
How can I check water quality for my exact address in Tacoma?
Use the WaterQ search tool to look up your ZIP code and view nearby systems, contaminant levels, and recent violations for Tacoma.
What is the water quality score for Tacoma?
The water quality score for Tacoma is 97 out of 100, based on EPA contaminant data, violation history, and testing results for all serving water systems.
What are the top contaminants in Tacoma?
The top contaminants detected in Tacoma include Manganese, Benzene, Gross Alpha Particle Activity. View detailed information on our contaminants page.
Tacoma Water Quality Summary
Tacoma, WA receives a water quality score of 97/100 (Grade A) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 21 public water systems serving the area.
Tacoma'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.
Tacoma's score of 97 is 2 points above the Washington state average of 95, and above the nationwide average of roughly 78/100 across all U.S. states.
Nestled in the Pacific Northwest between forested mountains and the Puget Sound coastline, the large city of Tacoma, Washington, draws from generally clean regional source water. The municipality's extensive network of water systems successfully maintains outstanding purity levels across the entire community. For local residents and prospective homebuyers, this robust infrastructure ensures consistent access to safe, highly rated drinking water throughout the city.
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 Tacoma (2)
Check Your Specific Address
Water quality can vary by neighborhood in Tacoma.
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