(1) A regulation or a water plan may declare water in an aquifer under a
watercourse, or under land adjacent to a watercourse, to be water in the
watercourse.
(2) If subsection (1) applies, a regulation or a water plan may
also state the way in which water, taken for stock or domestic purposes, is
regulated.
(3) Water declared to be in a watercourse is not underground
water.