Arlington
Is Arlington tap water safe to drink?
Mostly yes — Arlington scores 91/100. This report aggregates EPA drinking water data across 2 local systems in Arlington. We found 59 total violations (14 unresolved).
Real-Time Environment
Live: 11:00 AM☀️ No active precipitation. Rainfall can impact surface water turbidity and pollutant runoff in Arlington.
Water Quality Impact
🛡️ Home Water Treatment Needs
Should you invest in filtration or softening for your home in Arlington?
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 Arlington tap water.
Baby Formula Safety
Infant formula preparation risks, nitrate levels, and lead pipe guidance in Arlington.
Homebuyer's Perspective
Evaluating water infrastructure in Arlington protects plumbing and helps estimate water heater longevity. The high safety score (91/100) 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 Arlington
Based on EPA SDWIS violation records and contaminant test results for all water systems serving Arlington.
Frequently Asked Questions
Is Arlington tap water safe to drink?
Mostly yes — Arlington scores 91/100.
How many water systems serve Arlington?
Arlington is served by 2 public water systems in our latest EPA-backed dataset.
How can I check water quality for my exact address in Arlington?
Use the WaterQ search tool to look up your ZIP code and view nearby systems, contaminant levels, and recent violations for Arlington.
What is the water quality score for Arlington?
The water quality score for Arlington is 91 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 Arlington?
The top contaminants detected in Arlington include Lead (90th percentile). View detailed information on our contaminants page.
Arlington Water Quality Summary
Arlington, VA receives a water quality score of 91/100 (Grade A) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 2 public water systems serving the area.
Arlington'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.
Arlington's score of 91 is 6 points above the Virginia state average of 85, and above the nationwide average of roughly 78/100 across all U.S. states.
Nestled in the Mid-Atlantic region where the coastal plain meets the Appalachian foothills, Arlington provides residents of this mid-size city with highly reliable utility performance across its dual water systems. Families and prospective homebuyers moving into this dense DC-suburb can take comfort in tap water that achieves exemplary quality ratings, reflecting a well-maintained local infrastructure. This consistent track record means households can confidently use their tap supply for everyday needs, enjoying regulatory assurance regarding the safety of Virginia's suburban water lines.
Water quality data is sourced from the U.S. EPA SDWIS database and updated quarterly. Learn about our scoring methodology → Read our Virginia water quality rankings report →
Key Contaminants
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Water Systems Serving Arlington (2)
Check Your Specific Address
Water quality can vary by neighborhood in Arlington.
Related
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Compare Arlington water quality: View all states · Contaminant library · How we score water quality