Section 2(j) in The Water (Prevention And Control Of Pollution) Act, 1974
(j)“stream” includes—(i)river;(ii)water course (whether flowing or for the time being dry);(iii)inland water (whether natural or artificial);(iv)sub-terranean waters;(v)sea or tidal waters to such extent or, as the case may be, to such point as the State Government may, by notification in the Official Gazette, specify in this behalf;
