In this Act, unless the contrary intention appears—
(a) from which ground water is, or is capable of being, obtained or used; or
(b) that is used, or is capable of being used, for the disposal of water or waste below the surface of the ground but does not include a subsoil drain;
(a) to protect a building, retaining wall, excavation, roadway or other construction from seepage or water pressure; or
(b) to facilitate the use of an area of ground by eliminating or reducing wet ground conditions in that area;
(a) water flowing over land (including in a waterway)—
(i) after having fallen as rain or hail or having precipitated in any other manner; or
(ii) after rising to the surface naturally from underground; or
(b) water of a kind referred to in paragraph (a) that has been collected in a dam or reservoir;
(a) in the case of bore water—to allow water to flow or be pumped from the bore; and
(b) in any other case—
(i) to withdraw, pump, extract, use or re-use, and to divert for the purpose of using or re-using, the water; or
(ii) to do any other thing that results in a reduction of flow in a waterway;
(a) contains other matter (whether in a solid, liquid or gaseous state); or
(b) if added to receiving waters—has the potential to pollute those waters;
(a) a river, creek, stream or other natural channel in which water flows (whether permanently or intermittently);
(b) a channel formed (whether in whole or in part) by altering or relocating a waterway described in paragraph (a), and includes the stormwater system; or
(c) a lake, pond, lagoon or marsh (whether formed by geomorphic processes or by works) in which water collects (whether continuously or intermittently);
and includes—
(d) the bed that the water in the waterway normally flows over or is covered by; and
(e) the banks that the water in the waterway normally flows between or is contained by;
but does not include land normally not part of the waterway that may be covered from time to time by floodwaters from the waterway;