In deciding the application, the chief executive must consider the impact the proposed interference with water in the watercourse may have on—
(a) in-stream water levels in the watercourse; and
(b) the natural movement of sediment; and
(c) the bed and banks of the watercourse; and
(d) riparian vegetation; and
(e) habitats for native plants and animals; and
(f) the movement of fish and other aquatic species; and
(g) the cultural and environmental values of the watercourse.