Loudoun Water, formerly the Loudoun County Sanitation Authority, provides public water and sewer service for Loudoun County residents who live outside incorporated towns.
The incorporated towns in Loudoun County are responsible for providing water and sewer service to residents of the towns. Town residents with questions or problems regarding these services should contact their town government.
Board of Directors
44865 Loudoun Water Way
P.O. Box 4000
Ashburn, VA 20146
Customer Service Ph: 571-291-7880
After Hours Ph: 571-291-7878
Administrative Offices Ph: 571-291-7700