FALLS CHURCH, Va. (WUSA) -- The boil water advisory has been lifted for Falls Church Water customers in Tysons Corner, Vienna and Dunn Loring, the City of Falls Church informed.

Residents no longer need to boil or treat tap water for drinking or cooking. The Virginia Department of Health (VDH) performed two rounds of bacteriological testing and results came back negative. The advisory was released out of caution. Authorities say at no time was there evidence of harmful substances in the water.