Fairfax Water serves most of the populated areas of Fairfax County, and also serves neighboring communities of Alexandria, Prince William County, Virginia and Loudoun County, Virginia through an interconnection with Virginia American Water, which purchases water through wholesale agreements.
FCWA does not provide sanitary sewer service; this is left to the individual jurisdictions it serves.
This posed a problem in the first half of the decade, as hot summers and increased demand often caused the wells to run dry.
By the end of the summer, Fairfax was ready to buy the Annandale system when they were blocked from doing so by a lawsuit from a group of subscribers, who were upset that the move may increase their water rates.
[2] Fairfax Water and Vulcan Materials have entered an agreement to construct a reservoir in Lorton, a phased project expected to be completed by 2085.