4 Exemption. E+W
(1)-(3). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F1
(4). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . F2
F3(5). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Textual Amendments
F1S. 4(1)–(3) repealed by Control of Pollution Act 1974 (c. 40), Sch. 4
F2S. 4(4) repealed by Water Act 1973 (c. 37), Sch. 9
F3S. 4(5) repealed (1.12.1991) by Water Consolidation (Consequential Provisions) Act (c. 60, SIF 130), ss. 3(1), 4(2), Sch. 3, Pt. I (with Sch. 2 paras. 10, 14(1), 15)
Modifications etc. (not altering text)
C1S. 4 amended by Water Act 1989 (c. 15, SIF 130), s. 69, Sch. 8 para. 3(2)(b) (with ss. 58(7), 101(1), 141(6), 160(1)(2)(4), 163, 189(4)–(10), 190, 193(1), Sch. 26 paras. 3(1)(2), 13(2), 17, 40(4), 57(6), 58)