Virginia Code Title 62.1. Waters of the State, Ports and Harbors § 62.1-81. “Waters of the Commonwealth” defined

The term “waters of the Commonwealth” as used in this chapter shall mean: (a) Any stream or that portion of any stream in this Commonwealth which prior to June 21, 1932, has been declared navigable by any unrepealed statute of this Commonwealth, or (b) any stream or that portion of any stream in this Commonwealth, the bed of which is owned by the Commonwealth, or (c) those parts of streams or other bodies of water in this Commonwealth which either in their natural or improved condition, notwithstanding interruptions between the navigable parts of such streams or waters by falls, shallows, or rapids, compelling land carriage, are used or suitable for use for the transportation of persons or property in interstate or foreign commerce, including therein all such interrupting falls, shallows or rapids, and also any stream or part thereof in this Commonwealth other than those above mentioned in this subdivision in which the construction of any dam or works as authorized by this chapter would affect the interests of interstate or foreign commerce, or (d) that portion of any river or stream flowing between the high-water mark on the Virginia shore and the low-water mark when such low-water mark constitutes the boundary line between Virginia and another state.