To consolidate and amend the laws relating to the control, conservation and use of water for domestic, agricultural, urban and industrial purposes; to make provision for the control, in certain respects, of the use of sea water for certain purposes; for the control of certain activities on or in water in certain areas; for the control of activities which may alter the natural occurrence of certain types of atmospheric precipitation; for the control, in certain respects, of the establishment or the extension of township in certain areas; and for incidental matters. [Long title amended by s. 8 of Act 71 of 1965 and substituted by s. 13 of Act 45 of 1972 and substituted by s. 26 of Act 24 of 1975.]