Corbalis Treatment Plant

The James J. Corbalis, Jr., Water Treatment Plant is the main water treatment plant for northern Fairfax County.

Operated by the Fairfax County Water Authority, it was originally built as the Potomac Water Treatment plant and dedicated on June 25, 1982. In July, 1985, the Board of Directors of the FCWA voted to change the name to the James J. Corbalis, Jr., Water Treatment Plant, honoring James J. Corbalis, Jr., the first engineer-director of the authority.