In Part II,
Section 31 (so far as it is not already in force),Control of pollution of rivers and coastal waters etc ;,
Section 32,Control of discharges of trade and sewage effluent etc. into rivers and coastal waters etc ;,
Section 39(2),Appeals with respect to activities certified as good agricultural practices;,
Section 41,Registers;,
Section 46(4) to (7),Operations by water authorities to forestall pollution of water;,
Section 51,Notice to abstain from certain agricultural practices.,
 In Part VI and the Schedules ,
Section 108(1) so far as it relates to the paragraphs of Schedule 3 specified below.,Minor and consequential amendments of enactments.,
Section 108(2) so far as it gives effect to the entries in Schedule 4 mentioned below.,Repeals,
In Schedule 3, paragraphs 11, 12, 20, 21, 23, and 24.,
  The entries in Schedule 4 so far as they concern the repeal of—    The Salmon Fisheries (Scotland) Act 1862 .    The Sea Fisheries Regulation (Scotland) Act 1895.    Section 259(2) of the Public Health Act 1936 .    The Rivers (Prevention of Pollution) Act 1951 save section 5(1)(c), (6) and (7), section 11(1) so far as it defines “stream” , section 11(6) and section 12(1) and (3).    The Rivers Prevention of Pollution (Scotland) Act 1951 save (in addition to the provisions saved in column 3 of Schedule 4) sections 18(6), 25(1)(c) and (4), 26(2), (4) and (7) to (9) and the definitions of “sewage effluent” and “trade effluent” in section 35(1).    The Clean Rivers (Estuaries and Tidal Waters) Act 1960.    The Rivers (Prevention of Pollution) Act 1961.    Provisions of the Water Resources Act 1963, save provisions in section 79.    The Rivers Prevention of Pollution (Scotland) Act 1965    Provisions of the Water Act 1973  ,

  s.109 (England, Wales, Scotland, Northern Ireland)    ss.104, 105 (England, Wales, Scotland)    ss.43, 44, 95, 107 and 108(1) (partially) (England, Wales)  ,12th December 1974,1974/2039,
s.108(1) and (2) (both partially) (England, Wales, Scotland),1st January 1975,1974/2169,
s.108(2) (partially) (Scotland),3rd March 1975,1975/230,
  ss.75, 77, 100, 101 (England, Wales, Scotland, Northern Ireland)    s.12(5) (partially), ss.25, 29, 30, 78, 99, 102, 103, 108(2) (partially), Sch.2 (England, Wales, Scotland)    s.12(6) and (7) (partially), ss.17, 19–21, 26, 27(1)(a) and (2), 28 (partially),49, 50, 56–74, Sch.1, 76, 79–87, 89–94, 96–8, 108(1) and (2) (both partially), 108(3), Sch.3 (partially), Sch.4 (partially) (England, Wales)    s.106 (Scotland)  ,1st January 1976,1975/2118,
ss.3–11, 16, 18(1) and (2), 22, 23, 88, Sch.3 (partially) Sch.4 (partially) (England, Wales),14th June 1976,1976/731,
ss.108(1) and (2) (both partially) (England, Wales),20th July 1976,1976/956,
s.17 (partially), s.27(1)(a) and (2), ss.57(a), 58 (partially), 59, 62, 68, 69 (partially), 70, 71(1) and (3), 72, 73 (partially), 74, 76, 84, 85, 87, 89–93, 94 (partially), 96, 98, 108(1) and (2) (both partially), 108(3), Sch.3 (partially), Sch.4 (partially) (Scotland),18th July 1976,1976/1080,
ss.12(5), 14(9), (10), (11), 108(2) (partially), Sch.4 (partially) (England),1st April 1977,1977/336,
s.24(4) (England, Wales, Scotland), s.108(2) (partially), Sch.4 (partially) (England, Wales),1st April 1977,1977/476,
ss.3–11, 16, 17(3)(a), 18(1) and (2), 20, 88 (Scotland),1st January 1978,1977/1587,
s.2 (England, Wales),1st July 1978,1977/2164,
s.2 (Scotland),1st September 1978,1978/816,
s.13 (partially) (England, Wales),1st August 1978,1978/954,
s.108(2) (partially) (England, Wales, Scotland),16th March 1981,1981/196,
ss.57(b), 58(6), 58(8) (partially), 60, 61, 63–67, 69 (partially), 71(2), 73 (partially), 79–83 (Scotland),1st August 1982,1982/624,
s.32(3) (England, Wales, Scotland),10th August 1983,1983/1175,
s.31 (partially), s.34 (partially), ss.35–37, ss.38 and 39 (both partially), ss.40, 42, 54 and 55 (England, Wales, Scotland), s.108(1) (partially), Sch.3 (partially) (England, Wales), ss.49 and 56, s.108(1) (partially), Sch.3 (partially) (Scotland),4th July 1984,1984/853,