News Town Asks VDOT to Clear Drains after Minor Flooding in Occoquan By Potomac Local News Published July 17, 2014 at 10:48AM | Updated July 17, 2014 at 12:03PM Tanyard Hill Road in Occoquan flooded on July 15, 2014. [Photo: James Phelps] This article is FREE to read. Please Sign In or Create a FREE Account. Thank you. Author Potomac Local News View all posts #News #Occoquan