The water of the sluice may be diverted into the main channel for the immediate passage of a boat for a time not exceeding one half (½) a day, so that the water is returned to the sluice in such manner as not to impair the profitable enjoyment of the mill.
Code 1858, § 1307; Shan., § 1817; Code 1932, § 3083; T.C.A. (orig. ed.), § 70-109.