Joint Base Lewis-Mcchord
Is Joint Base Lewis-Mcchord tap water safe to drink?
Mostly yes — Joint Base Lewis-Mcchord scores 99/100. This report aggregates EPA drinking water data across 2 local systems in Joint Base Lewis-Mcchord. We found 352 total violations (19 unresolved).
Real-Time Environment
Live: 12:30 PM☀️ No active precipitation. Rainfall can impact surface water turbidity and pollutant runoff in Joint Base Lewis-Mcchord.
Water Quality Impact
🛡️ Home Water Treatment Needs
Should you invest in filtration or softening for your home in Joint Base Lewis-Mcchord?
Expert Advice
Your water quality is excellent. Standard filtration is optional but can further enhance taste.
Buying a Filter?
Filtration technologies matched to Joint Base Lewis-Mcchord contaminant records.
Baby Formula Safety
Guidance on preparing infant formula using municipal tap water in Joint Base Lewis-Mcchord.
Homebuyer's Perspective
Municipal water quality in Joint Base Lewis-Mcchord directly influences pipe corrosion rates and home filtration needs. The high safety score (99/100) 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 Joint Base Lewis-Mcchord
Based on EPA SDWIS violation records and contaminant test results for all water systems serving Joint Base Lewis-Mcchord.
Frequently Asked Questions
Is Joint Base Lewis-Mcchord tap water safe to drink?
Mostly yes — Joint Base Lewis-Mcchord scores 99/100.
How many water systems serve Joint Base Lewis-Mcchord?
Joint Base Lewis-Mcchord is served by 2 public water systems in our latest EPA-backed dataset.
How can I check water quality for my exact address in Joint Base Lewis-Mcchord?
Use the WaterQ search tool to look up your ZIP code and view nearby systems, contaminant levels, and recent violations for Joint Base Lewis-Mcchord.
What is the water quality score for Joint Base Lewis-Mcchord?
The water quality score for Joint Base Lewis-Mcchord is 99 out of 100, based on EPA contaminant data, violation history, and testing results across the 2 systems serving the city.
What are the top contaminants in Joint Base Lewis-Mcchord?
The top contaminants detected in Joint Base Lewis-Mcchord include Lead (90th percentile). View detailed information on our contaminants page.
Joint Base Lewis-Mcchord Water Quality Summary
Joint Base Lewis-Mcchord, WA receives a water quality score of 99/100 (Grade A) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 2 public water systems serving the area.
Joint Base Lewis-Mcchord'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.
Joint Base Lewis-Mcchord's score of 99 is 5 points above the Washington state average of 94, and above the nationwide average of roughly 78/100 across all U.S. states.
Nestled in the Pacific Northwest, Joint Base Lewis-Mcchord benefits from a regional backdrop of forested mountains and the Puget Sound coastline, which generally provides clean source water. For homebuyers and residents of this Washington mid-size city, the local tap water consistently meets near-perfect standards of purity and reliability. This strong safety profile means that families can trust the quality of their water for everyday household use.
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 Joint Base Lewis-Mcchord (2)
Check Your Specific Address
Water quality can vary by neighborhood in Joint Base Lewis-Mcchord.
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