Ashburn
Is Ashburn tap water safe to drink?
Mostly yes — Ashburn scores 96/100. This report aggregates EPA drinking water data across 3 local systems in Ashburn. We found 43 total violations (35 unresolved).
Real-Time Environment
Live: 11:45 AM☀️ No active precipitation. Rainfall can impact surface water turbidity and pollutant runoff in Ashburn.
Water Quality Impact
🛡️ Home Water Treatment Needs
Should you invest in filtration or softening for your home in Ashburn?
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 Ashburn tap water.
Baby Formula Safety
Infant formula preparation risks, nitrate levels, and lead pipe guidance in Ashburn.
Homebuyer's Perspective
Evaluating water infrastructure in Ashburn protects plumbing and helps estimate water heater longevity. The high safety score (96/100) 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 Ashburn
Based on EPA SDWIS violation records and contaminant test results for all water systems serving Ashburn.
Frequently Asked Questions
Is Ashburn tap water safe to drink?
Mostly yes — Ashburn scores 96/100.
How many water systems serve Ashburn?
Ashburn is served by 3 public water systems in our latest EPA-backed dataset.
How can I check water quality for my exact address in Ashburn?
Use the WaterQ search tool to look up your ZIP code and view nearby systems, contaminant levels, and recent violations for Ashburn.
What is the water quality score for Ashburn?
The water quality score for Ashburn is 96 out of 100, based on EPA contaminant data, violation history, and testing results across the 3 systems serving the city.
What are the top contaminants in Ashburn?
The top contaminants detected in Ashburn include Lead (90th percentile). View detailed information on our contaminants page.
Ashburn Water Quality Summary
Ashburn, VA receives a water quality score of 96/100 (Grade A) based on EPA Safe Drinking Water Information System (SDWIS) compliance data for 3 public water systems serving the area.
Ashburn'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.
Ashburn's score of 96 is 11 points above the Virginia state average of 85, and above the nationwide average of roughly 78/100 across all U.S. states.
For homebuyers considering a move to Ashburn, Virginia, this large city's water quality maintains a favorable and solid standing, even if it does not reach the highest tier of performance. A single water system manages the supply for the entire area, simplifying tracking for residents as the community undergoes dense DC-suburb growth. Operating in a Mid-Atlantic transition zone between the coastal plain and Appalachian foothills, this sole system must balance these geographical features with rapid development. While the overall supply remains reliable, the solid yet non-perfect rating indicates there is still room for improvement within the water system.
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 Ashburn (3)
Check Your Specific Address
Water quality can vary by neighborhood in Ashburn.
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