Public water system record
Fairfax County Water Authority
Serves McLean, Reston, Centreville and 59 more places, Fairfax County, VA · 1,121,613 people served
Federal records show no health-based violations and no monitoring or reporting issues for Fairfax County Water Authority in the last ten years.
System profile
- Health-based violations, last 10 years
- 0
- Resolved
- 0
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 0
Key facts
- Fairfax County Water Authority draws water from 2 surface water intakes.
- Lead pipe inventory: 14 lead and 137,339 unknown out of 290,020 service lines.
Check whether Fairfax County Water Authority serves your address
Health-based violations
Since October 2016Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.
None since October 2016, and no monitoring or reporting violations either.
Where the water comes from
Fairfax County Water Authority draws water from 2 surface water intakes. It also buys water from Washington Aqueduct Division. 9 other community water systems and 3 smaller public systems such as schools, businesses or campgrounds buy water from Fairfax County Water Authority. 1 other public water system has an emergency connection to Fairfax County Water Authority.
Buys water from
- Washington Aqueduct Division. Washington, DC
Community systems that buy water from it
- Arlington County - Willston Area Arlington, VA
- City of Alexandria Hopewell, VA
- Dale City Hopewell, VA
- Fort Belvoir Fort Belvoir, VA
- Loudoun Water - Central System Ashburn, VA
- Pwcsa - East Woodbridge, VA
- Pwcsa - West Woodbridge, VA
- Town of Herndon Herndon, VA
- Town of Vienna Vienna, VA
Annual water quality report
Fairfax County Water Authority must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.
Systems serving 10,000 or more people must mail or deliver the report to every customer, and from 2027 they must send it twice a year.
Find a posted report with EPA's Consumer Confidence Report search
Testing your own water
To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by Virginia.
Certified drinking water labs by state EPA guidance for private wells