RCW 90.03.020Units of water measurement.The legally recognized units of water measurement shall be as follows: For flowing water—one cubic foot of water per second of time, and to be designated 'secondfoot.' For absolute volume or quantity of water—forty-three thousand five hundred sixty cubic feet of water, and to be designated 'acrefoot.'[ 1917 c 117 s 2; RRS s 7352. Prior: 1890 p 729 s 1. Formerly RCW 90.04.010, part.]
Washington Legal Code