Water Industry Act 1991

[^key-724e73ab8583be8776423320275cce87]: Words in Sch. 4A para. 13(2)(b) omitted (20.3.2015) by virtue of Criminal Justice and Courts Act 2015 (c. 2), s. 95(1), Sch. 9 para. 10(a); S.I. 2015/778, art. 2(1)(c)

[^key-725eaf765584709267e35ab8af7e9f72]: Words in s. 86(4)(c)(i) substituted (1.4.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 75(2); S.I. 2016/465, art. 2(m), Sch. 1 para. 1(o) (with Sch. 2) (as amended (22.3.2017) by S.I. 2017/462, art. 16)

[^key-726c409e62ab4ad5323789465077cc06]: S. 118 excluded (30.4.2026) by The Springwell Solar Farm Order 2026 (S.I. 2026/419), arts. 1, 6(1) (with art. 48)

[^key-726f0c13c78b1929ea92c31d279c2d6e]: Word in s. 39B(1) inserted (14.7.2014) by Water Act 2014 (c. 21), ss. 28(4)(a), 94(2)(g)

[^key-72b2e4992442f1a153ae045e7f7d207e]: Ss. 77-79 modified (6.4.2010) by The Portsmouth Port Health Authority Order 2010 (S.I. 2010/1217), arts. 1(1), 4, Sch.

[^key-72c5549d8d9e79ab706fe4cdcfa176c3]: Sch. 2B inserted (1.1.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 3; S.I. 2015/1938, art. 3(e)

[^key-7324ec7d7e09d6b91be7a5c32f85389e]: S. 37A(8)(aa) inserted (1.4.2013) by The Natural Resources Body for Wales (Functions) Order 2013 (S.I. 2013/755), art. 1(2), Sch. 2 para. 229(2)(b) (with Sch. 7)

[^key-73380bfec65af86244fc37894538d78a]: Word in s. 21(2) substituted (1.4.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 29(3); S.I. 2016/465, art. 2(m), Sch. 1 para. 1(j) (with Sch. 2) (as amended (22.3.2017) by S.I. 2017/462, art. 16)

[^key-7355fc8272f7b686e3d40b323fa5eebe]: Words in s. 135A heading substituted (1.4.2013) by The Natural Resources Body for Wales (Functions) Order 2013 (S.I. 2013/755), art. 1(2), Sch. 2 para. 247(3) (with Sch. 7)

[^key-735dc6206293217bf5840066a7245776]: Words in s. 29(1) substituted (1.4.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 45(2)(b); S.I. 2016/465, art. 2(m), Sch. 1 para. 1(k) (with Sch. 2) (as amended (22.3.2017) by S.I. 2017/462, art. 16)

[^key-7387b4e5092cf661b2c0b46b59cd1f88]: S. 106 applied (1.5.2025) by The Viking CCS Carbon Dioxide Pipeline Order 2025 (S.I. 2025/509), arts. 1(2), 18(2) (with art. 41, Sch. 9)

[^key-73a2cbfec09b17a57f1577bc947dc804]: Words in s. 163(1) substituted (1.4.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 106; S.I. 2016/465, art. 2(m), Sch. 1 para. 1(t) (with Sch. 2) (as amended (22.3.2017) by S.I. 2017/462, art. 16)

[^key-73a6fcc3bd02f4670bc6c36a0fa1246d]: Words in s. 206(3)(j) inserted (31.3.2017) by The Water Act 2014 (Consequential Amendments etc.) Order 2017 (S.I. 2017/506), arts. 1(1), 6(6)(c)(i)

[^key-73e283710e476f09d019c81654f1c16b]: Words in s. 192B(7) omitted (31.3.2017) by virtue of Wales Act 2017 (c. 4), ss. 48(2)(c), 71(2)(f) (with Sch. 7 paras. 1, 6, 7)

[^key-7483e4e80d7f6ff9fd5d192b129ef4f0]: Words in s. 17I(4)(b)(iv) inserted (1.4.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 19(5); S.I. 2016/465, art. 2(m), Sch. 1 para. 1(j) (with Sch. 2) (as amended (22.3.2017) by S.I. 2017/462, art. 16)

[^key-74c6b52c589fb5aaa45c765d21efd8fe]: Ss. 12J, 12K inserted (24.4.2025) by Water (Special Measures) Act 2025 (c. 5), ss. 14, 17(5)(c)

[^key-74e46a343fe81104f3e3bc27cd15d838]: Words in s. 132(2) substituted (1.4.2013) by The Natural Resources Body for Wales (Functions) Order 2013 (S.I. 2013/755), art. 1(2), Sch. 2 para. 244(3)(a) (with Sch. 7)

[^key-7523b2b350f71ba73133e32eb23a9b5c]: S. 95A(2A) inserted (1.11.2016) by Water Act 2014 (c. 21), ss. 30(4), 94(3); S.I. 2016/1007, art. 2(e)

[^key-756d268e7c46939dcd60a719356ef1c5]: S. 16B(7)(b) substituted (1.4.2014) by The Enterprise and Regulatory Reform Act 2013 (Competition) (Consequential, Transitional and Saving Provisions) Order 2014 (S.I. 2014/892), art. 1(1), Sch. 1 para. 76(4) (with art. 3, Sch. 2 para. 2)

[^key-75c684e90fddbdb109453a7661674bd2]: Words in s. 17D(7) substituted (1.4.2017) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 12(7)(b); S.I. 2017/462, art. 3(k)(iv) (with art. 11)

[^key-76254f9ae5a1e19f619f8e91bd6ee182]: S. 22A applied (with modifications) (28.6.2013) by The Water Industry (Specified Infrastructure Projects) (English Undertakers) Regulations 2013 (S.I. 2013/1582), reg. 1(1)(b), Sch. 1 para. 6(3) (with reg. 1(1)(c))

[^key-764c475eecd69e412c2565a1a4068e9e]: Word in s. 29A(3) substituted (1.4.2014) by The Enterprise and Regulatory Reform Act 2013 (Competition) (Consequential, Transitional and Saving Provisions) Order 2014 (S.I. 2014/892), art. 1(1), Sch. 1 para. 83 (with art. 3)

[^key-76799d4b87875de31a5f5df28cbf7acc]: Words in s. 206(3)(b) substituted (1.4.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 116(2); S.I. 2016/465, art. 2(m), Sch. 1 para. 1(z) (with Sch. 2) (as amended (22.3.2017) by S.I. 2017/462, art. 16)

[^key-76c325568c09ab84ba528e4050db791f]: S. 61(4)(a)(b) inserted (1.4.2017) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 60(7)(b); S.I. 2017/462, art. 3(k)(vii)

[^key-77282b78eaee4d5c53aaf02b1f1de774]: Words in s. 219(1) inserted (1.4.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 120(2)(d); S.I. 2016/465, art. 2(m), Sch. 1 para. 1(aa) (with Sch. 2) (as amended (22.3.2017) by S.I. 2017/462, art. 16)

[^key-77495e04213c8b6dde2cd35f27923af0]: Words in s. 27H(4) substituted (1.4.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 43(4)(a); S.I. 2016/465, art. 2(m), Sch. 1 para. 1(k) (with Sch. 2) (as amended (22.3.2017) by S.I. 2017/462, art. 16)

[^key-7754f8b8f64f055cb1b285e3bd5f40a4]: Words in s. 17H(6) repealed (1.1.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 17(4)(a); S.I. 2015/1938, art. 3(f)(vii)

[^key-77622c71a24720955ff635098316ceff]: S. 106 applied (24.7.2026) by The Dean Moor Solar Farm Order 2026 (S.I. 2026/754), arts. 1, 18(2) (with Sch. 13)

[^key-7788a96c7f062285d5dce221b4da6de0]: Words in s. 27(4)(c) substituted (1.4.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 39(4)(a); S.I. 2016/465, art. 2(m), Sch. 1 para. 1(k) (with Sch. 2) (as amended (22.3.2017) by S.I. 2017/462, art. 16)

[^key-77ee571f58db43d8585087c886fa718e]: Words in Sch. 13 para. 4 heading substituted (28.12.2017) by Digital Economy Act 2017 (c. 30), s. 118(6), Sch. 3 para. 30(c); S.I. 2017/1286, reg. 2(d)

[^key-77f366eef5e4c2e0f9d4831853e588d5]: S. 162(1C) inserted (1.4.2017) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 105(4); S.I. 2017/462, art. 3(k)(xvi)

[^key-77fcfbd9154b761dec5f730310e948e1]: S. 212 applied (with modifications) (28.6.2013) by The Water Industry (Specified Infrastructure Projects) (English Undertakers) Regulations 2013 (S.I. 2013/1582), reg. 1(1)(b), Sch. 1 para. 16(1) (with reg. 1(1)(c))

[^key-780d23c1563b9f2bbb8a14b6ef46dfb4]: S. 101B(4)(c) and word inserted (1.4.2018) by Water Act 2014 (c. 21), ss. 19(3)(d), 94(3); S.I. 2017/462, art. 5(b) (with art. 14)

[^key-7821a599c7909821694a70f7921a6ff9]: Words in s. 2(7) substituted (6.4.2015) by Water Act 2014 (c. 21), ss. 24(2), 94(3); S.I. 2015/773, art. 2(1)(c) (with art. 4)

[^key-78f88eb6b0fecfc97c26db000db11391]: S. 106 applied (3.11.2022) by The Network Rail (Huddersfield to Westtown (Dewsbury) Improvements) Order 2022 (S.I. 2022/1067), arts. 1, 22(2) (with art. 22(7))

[^key-792c309896e2ee26239b9e7a43f6c097]: S. 106 applied (5.4.2017) by The Keuper Underground Gas Storage Facility Order 2017 (S.I. 2017/433), arts. 1, 16(2)

[^key-7949fcc8a1e82d0af877520b7e5dc9d8]: Words in s. 219(1) inserted (1.4.2013) by The Natural Resources Body for Wales (Functions) Order 2013 (S.I. 2013/755), art. 1(2), Sch. 2 para. 259(3) (with Sch. 7)

[^key-79540137f80925a3bb9afd63a5dbe440]: Words in Sch. 3 para. 9 omitted (26.5.2015) by virtue of Deregulation Act 2015 (c. 20), s. 115(3)(r), Sch. 23 para. 28(4)(e)(viii)

[^key-79722818338b3c64a67d7cfad5713c0a]: Sch. 15 Pt. 1 entry omitted (1.4.2014) by virtue of The Public Bodies (Abolition of the National Consumer Council and Transfer of the Office of Fair Trading’s Functions in relation to Estate Agents etc) Order 2014 (S.I. 2014/631), art. 1(3), Sch. 1 para. 6(b) (with Sch. 1 para. 28, Sch. 2 paras. 13-15)

[^key-79cbdb300d3a446ca6c8f5012565e612]: S. 106 applied (12.10.2018) by The Eggborough Gas Fired Generating Station Order 2018 (S.I. 2018/1020), arts. 1, 14(2) (with arts. 6, 42)

[^key-79d0065820b301a528640ef8901323d7]: S. 106 applied (13.7.2022) by The A47 Blofield to North Burlingham Development Consent Order 2022 (S.I. 2022/738), arts. 1, 21(2) (with arts. 4, 50)

[^key-79ea4a7a88c41ca10ae2b1ab1ac2a562]: Words in s. 68(3B) substituted (1.4.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 67(5); S.I. 2016/465, art. 2(m), Sch. 1 para. 1(m) (with Sch. 2) (as amended (22.3.2017) by S.I. 2017/462, art. 16)

[^key-7a1e1edf9d7e385c5a5728d6cc30e0e2]: Words in s. 18(1A)(b) substituted (1.4.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 26(3)(c); S.I. 2016/465, art. 2(m), Sch. 1 para. 1(j) (with Sch. 2) (as amended (22.3.2017) by S.I. 2017/462, art. 16)

[^key-7a4a6910e2a9cb5acd65029fd571eb84]: Words in s. 101A(8) substituted (1.11.2015) by Water Act 2014 (c. 21), ss. 41(5), 94(3); S.I. 2015/1786, art. 2 (with art. 3)

[^key-7a5d9759b67f36b74dc11b2036663a0c]: S. 45(1ZA) omitted (E.) (31.10.2021) by virtue of The Water and Sewerage Undertakers (Exit from Non-household Retail Market) (Consequential Provision) Regulations 2021 (S.I. 2021/1208), regs. 1(2), 2(3)

[^key-7a862c604ed9bec3a0f6a8bfb6b3a7e3]: Sch. 4A para. 4 substituted (6.4.2010) by The Health and Social Care Act 2008 (Consequential Amendments) Order 2010 (S.I. 2010/750), arts. 1(1), 2

[^key-7ac351b2f945dee18d1e5cde6aa81596]: S. 118 excluded (31.5.2025) by The East Yorkshire Solar Farm Order 2025 (S.I. 2025/585), arts. 1, 6(1) (with art. 49, Sch. 14)

[^key-7ac5834387d334e4427c2a78d08a9e4b]: Ss. 143AA, 143AB inserted (24.4.2025) by Water (Special Measures) Act 2025 (c. 5), ss. 13(3), 17(5)(b)

[^key-7ad287c8eb950d3805df964d42c07066]: Word in s. 31(4) substituted (1.4.2014) by The Enterprise and Regulatory Reform Act 2013 (Competition) (Consequential, Transitional and Saving Provisions) Order 2014 (S.I. 2014/892), art. 1(1), Sch. 1 para. 84(5)(b) (with art. 3)

[^key-7adbb573123b934102e20d23ffda404a]: S. 66D substituted (1.4.2017) by Water Act 2014 (c. 21), s. 94(3), Sch. 2 para. 3; S.I. 2017/462, art. 3(i)(iii) (with arts. 6-9)

[^key-7add0851b573f097223f27d72e3d6d66]: Words in s. 18(1)(a)(i) inserted (1.4.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 26(2)(c); S.I. 2016/465, art. 2(m), Sch. 1 para. 1(j) (with Sch. 2) (as amended (22.3.2017) by S.I. 2017/462, art. 16)

[^key-7b09d0f589858125b88b25a6a228d575]: S. 106 applied (25.4.2024) by The Network Rail (Church Fenton Level Crossing Reduction) Order 2024 (S.I. 2024/526), arts. 1, 16(2) (with arts. 16(7), 39, 40)

[^key-7b43b2905dd99f7ea9b62a4615384c4c]: Words in s. 68(1A) repealed (1.4.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 67(3)(e); S.I. 2016/465, art. 2(m), Sch. 1 para. 1(m) (with Sch. 2) (as amended (22.3.2017) by S.I. 2017/462, art. 16)

[^key-7b7d9e18afca32aa3fb9845353bacfa8]: Ss. 144ZA-144ZD and cross-heading inserted (6.4.2015 for the insertion of s. 144ZD, 15.7.2015 for the insertion of s. 144ZB for specified purposes, 1.4.2016 for E. in so far as not already in force, 15.12.2017 for W. in so far as not already in force) by Water Act 2014 (c. 21), ss. 17, 94(3); S.I. 2015/773, art. 2(1)(b); S.I. 2015/1469, art. 2(b) (with art. 5(1)(5)); S.I. 2016/465, art. 2(d) (with Sch. 2) (as amended (22.3.2017) by S.I. 2017/462, art. 16); S.I. 2017/1288, art. 2(a)

[^key-7bb1808c0d8ef250e3ffce75894f252b]: Words in s. 29(1) substituted (1.4.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 45(2)(a); S.I. 2016/465, art. 2(m), Sch. 1 para. 1(k) (with Sch. 2) (as amended (22.3.2017) by S.I. 2017/462, art. 16)

[^key-7bcf997e93a480047f3e24299b5caf20]: Sch. 2 para. 4A applied (with modifications) (28.6.2013) by The Water Industry (Specified Infrastructure Projects) (English Undertakers) Regulations 2013 (S.I. 2013/1582), reg. 1(1)(b), Sch. 1 para. 3(3)(e) (with reg. 1(1)(c))

[^key-7be2f793cbc549f70befa3416a0f1b6f]: Pt. 3 Ch. 4 modified (1.4.2013 for E.) by Health and Social Care Act 2012 (c. 7), ss. 37(1), 306(2)(3); S.I. 2013/160, art. 2(2) (with arts. 7-9)

[^key-7c02884c9facc22ddf5e0e070d25e635]: Words in s. 105(7) repealed (1.10.2017 for specified purposes) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 92(d); S.I. 2017/462, art. 4(d)(ii) (as substituted by S.I. 2017/926, art. 2(2))

[^key-7c08a0ee82e8db5be5333646d1d39d69]: S. 17K title substituted (1.4.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 21(2); S.I. 2016/465, art. 2(m), Sch. 1 para. 1(j) (with Sch. 2) (as amended (22.3.2017) by S.I. 2017/462, art. 16)

[^key-7c2e6b296d89fdb5e42deb7669b9b72c]: Words in s. 74(1)(b) substituted (1.4.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 71(2); S.I. 2016/465, art. 2(m), Sch. 1 para. 1(m) (with Sch. 2) (as amended (22.3.2017) by S.I. 2017/462, art. 16)

[^key-7c95072b1c6d2570da1f9d41139addc4]: S. 106 applied (9.10.2024) by The M3 Junction 9 Development Consent Order 2024 (S.I. 2024/752), arts. 1, 21(2) (with art. 4, Sch. 10) (as amended by S.I. 2024/1020, Sch) S. 106 applied (25.10.2024) by The Associated British Ports (Immingham Eastern Ro-Ro Terminal) Development Consent Order 2024 (S.I. 2024/1014), arts. 1, 24(2) (with arts. 36, 40, Sch. 4)

[^key-7cf5c6b47486467ca39d495e8f6c6cb3]: S. 22E applied (28.6.2013) by The Water Industry (Specified Infrastructure Projects) (English Undertakers) Regulations 2013 (S.I. 2013/1582), reg. 1(1)(b), Sch. 1 para. 6(4) (with reg. 1(1)(c))

[^key-7d10607f5e513112e32cc6c1eaef9a1d]: S. 87C(8) omitted (1.4.2013 for E.) by virtue of Health and Social Care Act 2012 (c. 7), ss. 35(12), 306(2)(3); S.I. 2013/160, art. 2(2) (with arts. 7-9)

[^key-7d52e1cac9184ef2e2f7e374d670ef98]: S. 111 modified by S.I. 2010/675, Sch. 23 Pt. 8 para. 3 Table 9 (as substituted (1.10.2011) by The Environmental Permitting (England and Wales) (Amendment) Regulations 2011 (S.I. 2011/2043), reg. 1(b), Sch. 1)

[^key-7dabaee59d2472ded1a80b03b5cbda4b]: Words in s. 208(3) substituted (1.4.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 117(4)(c); S.I. 2016/465, art. 2(m), Sch. 1 para. 1(z) (with Sch. 2) (as amended (22.3.2017) by S.I. 2017/462, art. 16)

[^key-7dce2bcf2a27655d3161dfb9f68a0515]: Words in s. 27A(13) substituted (1.4.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 40(b); S.I. 2016/465, art. 2(m), Sch. 1 para. 1(k) (with Sch. 2) (as amended (22.3.2017) by S.I. 2017/462, art. 16)

[^key-7df4f48beb94585f3f53f35dc2b3a4b1]: Words in s. 154(5) substituted (1.4.2011) by Flood and Water Management Act 2010 (c. 29), s. 49(3), Sch. 5 para. 4(8) (with s. 49(1)(6), Sch. 5 para. 4(9)); S.I. 2011/694, art. 3(j)

[^key-7e19b21e6625cab1299d9fbfa65ce31a]: Words in s. 32 substituted (18.12.2015) by Water Act 2014 (c. 21), ss. 14(1), 94(3); S.I. 2015/1938, art. 2(d)

[^key-7e53a0848f04b22b8cdf186165bb92be]: Word in Sch. 4ZA para. 3(3)-(6) substituted (1.4.2014) by The Enterprise and Regulatory Reform Act 2013 (Competition) (Consequential, Transitional and Saving Provisions) Order 2014 (S.I. 2014/892), art. 1(1), Sch. 1 para. 93(4)(b)(i) (with art. 3)

[^key-7e72e959d7c6405d5dc7e2cf93cc7490]: S. 39D inserted (14.7.2014) by Water Act 2014 (c. 21), ss. 28(5), 94(2)(g)

[^key-7e8c6cf917020f13229553ddca5a9e54]: Words in s. 17R(2)(b) substituted (1.4.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 25(4)(c); S.I. 2016/465, art. 2(m), Sch. 1 para. 1(j) (with Sch. 2) (as amended (22.3.2017) by S.I. 2017/462, art. 16)

[^key-7f1a8518b29e0db3de42b9434a7a56ae]: Words in s. 132(8) substituted (1.4.2013) by The Natural Resources Body for Wales (Functions) Order 2013 (S.I. 2013/755), art. 1(2), Sch. 2 para. 244(7) (with Sch. 7)

[^key-7f2024150f0546dda03612334a6bcb5b]: S. 19(3A) inserted (20.4.2010) by The Water Supply (Miscellaneous Amendments) (England and Wales) Regulations 2010 (S.I. 2010/996), regs. 1, 2(3)

[^key-7f2454f1f0c41761a520e6d19a000a41]: S. 203(1)-(1C) substituted for s. 203(1) (14.7.2014) by Water Act 2014 (c. 21), ss. 36(2), 94(2)(j)

[^key-7f2d72e2d4ea9e2dc5a21c9a546d886e]: Word in s. 14(5) substituted (1.4.2014) by Enterprise and Regulatory Reform Act 2013 (c. 24), s. 103(3), Sch. 6 para. 54(5)(a); S.I. 2014/416, art. 2(1)(d) (with Sch.)

[^key-7f2e44117068c2983f5374152974c31b]: S. 95A(3) substituted (1.1.2015 for specified purposes, 1.11.2016 in so far as not already in force) by Water Act 2014 (c. 21), ss. 30(5), 94(3); S.I. 2014/3320, art. 2(2)(b); S.I. 2016/1007, art. 2(e)

[^key-7f3c56a44880008d5755c8bd77bbb734]: S. 106 applied (14.4.2020) by The Reinforcement to the North Shropshire Electricity Distribution Network Order 2020 (S.I. 2020/325), arts. 1, 15(2) (with arts. 7, 15(7))

[^key-7f494d51ef2404d04a236a16fbbdb705]: S. 27ZA inserted (10.5.2022 for specified purposes) by Environment Act 2021 (c. 30), ss. 85, 147(3)(4) (with s. 144); S.I. 2022/518, regs. 1(2), 2(e)

[^key-8005d901539a0f8be2de4fdc97295116]: Words in s. 37A(4) inserted (14.7.2014) by Water Act 2014 (c. 21), ss. 28(2)(b), 94(2)(g)

[^key-8006d1b073d5fc08a64004c64b11ae34]: S. 23(3)-(3D) substituted for s. 23(3) (1.10.2010 for specified purposes, 15.3.2024 in so far as not already in force) by Flood and Water Management Act 2010 (c. 29), s. 49(3), Sch. 5 para. 6(1) (with s. 49(1)(6)); S.I. 2010/2169, art. 4; S.I. 2024/363, art. 2(b)

[^key-8018ca1523a1fceffd7897b96fecfa89]: Words in s. 174(8A)(b) substituted (1.4.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 108(7)(a); S.I. 2016/465, art. 2(m), Sch. 1 para. 1(u)(i) (with Sch. 2) (as amended (22.3.2017) by S.I. 2017/462, art. 16)

[^key-80364a9ca8ffa43b4ed46bb8f081f4f2]: S. 106 applied (4.11.2022) by The A47/A11 Thickthorn Junction Development Consent Order 2022 (S.I. 2022/1070), arts. 1, 21(2) (with arts. 4, 52, Sch. 9 para. 82)

[^key-803b301879edc8b0551d8e11be33ae4f]: S. 192A(3A) inserted (6.4.2015) by Water Act 2014 (c. 21), ss. 24(3), 94(3); S.I. 2015/773, art. 2(1)(c) (with art. 4)

[^key-8040ccce631a75bcf36b79ed7fd1901b]: Words in s. 206(4)(a) inserted (1.4.2013) by The Natural Resources Body for Wales (Functions) Order 2013 (S.I. 2013/755), art. 1(2), Sch. 2 para. 255(3) (with Sch. 7)

[^key-804c3b957d78f69ad96c0fc79d74840e]: Words in s. 17Q(9) inserted (1.1.2025) by Digital Markets, Competition and Consumers Act 2024 (c. 13), s. 339(1), Sch. 30 para. 15(3)(b); S.I. 2024/1226, regs. 1(2), 2(1)(22)

[^key-8071300832ca655593b433dd7e18b0f6]: Words in s. 31(7) substituted (1.4.2014) by The Enterprise and Regulatory Reform Act 2013 (Competition) (Consequential, Transitional and Saving Provisions) Order 2014 (S.I. 2014/892), art. 1(1), Sch. 1 para. 84(9)(a)(i) (with art. 3)

[^key-80a97031c0f9349674b6c935e317f350]: Words in s. 138(1B)(aa) substituted (6.4.2010) by The Environmental Permitting (England and Wales) Regulations 2010 (S.I. 2010/675), reg. 1(1)(b), Sch. 26 para. 7(b) (with reg. 1(2), Sch. 4)

[^key-80ee67a58504a2f0b06b2918ed6e18b9]: Words in s. 101B(3) substituted (1.4.2018) by Water Act 2014 (c. 21), ss. 19(3)(a), 94(3); S.I. 2017/462, art. 5(b) (with art. 14)

[^key-80fe618f6fa35e0ec9616b3fbfedf0c4]: Words in s. 154(3) substituted (1.4.2011) by Flood and Water Management Act 2010 (c. 29), s. 49(3), Sch. 5 para. 4(7) (with s. 49(1)(6), Sch. 5 para. 4(9)); S.I. 2011/694, art. 3(j)

[^key-80fee50a3cb91f31b46dd046622b5596]: Words in s. 24(2)(bb) substituted (1.4.2017 except as it relates to qualifying sewerage licensees) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 36(4)(a); S.I. 2017/462, art. 3(k)(vi)

[^key-811ee2d738d8946f4b6ec4c4c793bbb7]: Words in s. 27(1)(b) substituted (1.4.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 39(2); S.I. 2016/465, art. 2(m), Sch. 1 para. 1(k) (with Sch. 2) (as amended (22.3.2017) by S.I. 2017/462, art. 16)

[^key-813c8cdf0ddac18daffd3a04fed1f1bc]: S. 41(2A) omitted (E.) (31.10.2021) by virtue of The Water and Sewerage Undertakers (Exit from Non-household Retail Market) (Consequential Provision) Regulations 2021 (S.I. 2021/1208), regs. 1(2), 2(2)

[^key-81b26ff5789d4cce243dca4a7cf7d265]: Words in s. 37D(3)(b) substituted (1.4.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 49; S.I. 2016/465, art. 2(m), Sch. 1 para. 1(k) (with Sch. 2) (as amended (22.3.2017) by S.I. 2017/462, art. 16)

[^key-81dd327d0e3cb004b0b31d2ea48acb96]: Word in s. 17M(2)(a) omitted (1.4.2014) by virtue of The Enterprise and Regulatory Reform Act 2013 (Competition) (Consequential, Transitional and Saving Provisions) Order 2014 (S.I. 2014/892), art. 1(1), Sch. 1 para. 78(4)(a) (with art. 3, Sch. 2 para. 2)

[^key-81e4211560e1d1d6de14fbc2a7b4eacb]: Ss. 12A-12I and cross-heading inserted (24.1.2022) by Environment Act 2021 (c. 30), ss. 86(2), 147(3) (with s. 144); S.I. 2022/48, reg. 2(m)

[^key-8240c6fa0d3dc0d6f5ad72f490d80960]: Word in Sch. 4ZA para. 4 substituted (1.4.2014) by The Enterprise and Regulatory Reform Act 2013 (Competition) (Consequential, Transitional and Saving Provisions) Order 2014 (S.I. 2014/892), art. 1(1), Sch. 1 para. 93(5) (with art. 3)

[^key-82a55f4f6d7428d3490d827f92c70d17]: S. 106 applied (10.10.2019) by The Abergelli Power Gas Fired Generating Station Order 2019 (S.I. 2019/1268), arts. 1, 16(2)

[^key-8337d59bef7cb348c493e97580f6b0be]: Words in s. 4 substituted (1.4.2013) by The Natural Resources Body for Wales (Functions) Order 2013 (S.I. 2013/755), art. 1(2), Sch. 2 para. 225(2) (with Sch. 7)

[^key-838cabb360c76a3c7a3a27af38091bc8]: Sch. 8 paras. 2-4 modified by S.I. 2010/675, Sch. 23 Pt. 8 para. 3 Table 9 (as substituted (1.10.2011) by The Environmental Permitting (England and Wales) (Amendment) Regulations 2011 (S.I. 2011/2043), reg. 1(b), Sch. 1)

[^key-83b9cca9ac9e9da34624a42041787612]: Words in s. 17J(12) inserted (1.4.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 20(12)(c); S.I. 2016/465, art. 2(m), Sch. 1 para. 1(j) (with Sch. 2) (as amended (22.3.2017) by S.I. 2017/462, art. 16)

[^key-83eb00a2b9443cb330d2b953069c78dd]: S. 86ZA(3A) inserted (24.2.2025) by Water (Special Measures) Act 2025 (c. 5), ss. 12(4), 17(2)(h)

[^key-8443c6bd671fadd7bc669cc2e9360d1d]: S. 118 excluded (11.3.2026) by The Fenwick Solar Farm Order 2026 (S.I. 2026/151), arts. 1, 6(1)(e) (with Sch. 14)

[^key-8454253b64b18b655fb958aa96f33fb6]: Words in s. 18(1) inserted (1.4.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 26(2)(a); S.I. 2016/465, art. 2(m), Sch. 1 para. 1(j) (with Sch. 2) (as amended (22.3.2017) by S.I. 2017/462, art. 16)

[^key-8487c3c07073ec95678b0947d34b4fda]: Words in s. 52(4A)(c) inserted (1.4.2017) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 58(2); S.I. 2017/462, art. 3(k)(vii)

[^key-84d804b64db7f57a1c922b18a3e621bf]: S. 17F(7)(da) inserted (1.4.2013) by The Natural Resources Body for Wales (Functions) Order 2013 (S.I. 2013/755), art. 1(2), Sch. 2 para. 227 (with Sch. 7)

[^key-850f64154db657190c3258aa09817bea]: Words in s. 118(1) inserted (6.4.2024) by Environment (Wales) Act 2016 (anaw 3), ss. 66(2)(a), 88(3)(b); S.I. 2023/1096, art. 3

[^key-85184a46eac2b3985afb649fa90d5a3d]: Words in s. 217(2) inserted (1.4.2013) by The Natural Resources Body for Wales (Functions) Order 2013 (S.I. 2013/755), art. 1(2), Sch. 2 para. 258(2) (with Sch. 7)

[^key-85be2c03510761b91248b95c2ffa2def]: Words in s. 70(1) substituted (12.3.2015) by The Legal Aid, Sentencing and Punishment of Offenders Act 2012 (Fines on Summary Conviction) Regulations 2015 (S.I. 2015/664), reg. 1(1), Sch. 4 para. 23(3) (with reg. 5(1))

[^key-85d13c0878349b979aef627000cd07cf]: S. 66A-66C and cross-heading substituted (1.4.2017 for the substitution of ss. 66A, 66AA, 66C) by Water Act 2014 (c. 21), s. 94(3), Sch. 2 para. 1; S.I. 2017/462, art. 3(i)(i) (with arts. 6-9, 12)

[^key-85dc1f1e9a001be4338d25f3a4088b1a]: Words in s. 75(12) substituted (1.4.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 72(4); S.I. 2016/465, art. 2(m), Sch. 1 para. 1(m) (with Sch. 2) (as amended (22.3.2017) by S.I. 2017/462, art. 16)

[^key-86ef08efebb0a4a0e56ebc1a04685224]: Words in s. 89(4) substituted (1.11.2022 for E.) by Health and Care Act 2022 (c. 31), ss. 175(5)(d)(ii), 186(6); S.I. 2022/1003, reg. 3(a)

[^key-8725896fffb2e89a6750d86277212f82]: Word in s. 202(3) substituted (1.4.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 114(3); S.I. 2016/465, art. 2(m), Sch. 1 para. 1(x) (with Sch. 2) (as amended (22.3.2017) by S.I. 2017/462, art. 16)

[^key-8731a52e62fb1f02c539ed61ecabd6f8]: Words in Sch. 13 para. 1(5)(a) inserted (1.4.2013) by The Natural Resources Body for Wales (Functions) Order 2013 (S.I. 2013/755), art. 1(2), Sch. 2 para. 263(3) (with Sch. 7)

[^key-875f53941fdcfa884d33f5c75ecedaf7]: Word in s. 16B(8) substituted (1.4.2014) by Enterprise and Regulatory Reform Act 2013 (c. 24), s. 103(3), Sch. 6 para. 59(2); S.I. 2014/416, art. 2(1)(d) (with Sch.)

[^key-87926a596d0e22d74d8bf4e2776067bd]: Sch. 8 para. 2(3A) inserted (1.4.2017) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 123; S.I. 2017/462, art. 3(k)(xxiii)

[^key-881b617ec2cdb03c76497c84cc91a42c]: Words in s. 130 substituted (1.4.2013) by The Natural Resources Body for Wales (Functions) Order 2013 (S.I. 2013/755), art. 1(2), Sch. 2 para. 242(3) (with Sch. 7)

[^key-8832ec2884d4dca0f0084b483588a8c7]: S. 106 applied (6.8.2014) by The Rampion Offshore Wind Farm Order 2014 (S.I. 2014/1873), arts. 1, 20(2) (with arts. 12, 13, 20(7), Sch. 12 Pt. 1 para. 19, Sch. 12 Pt. 2 para. 6, Sch. 12 Pt. 3 para. 5, Sch. 12 Pt. 4 para. 4, Sch. 12 Pt. 5 para. 4)

[^key-8852c984e3a337cb55d57291e93d4158]: S. 106 applied (4.10.2024) by The National Grid (Bramford to Twinstead Reinforcement) Order 2024 (S.I. 2024/958), arts. 1, 19(2) (with arts. 19(7), 40, Sch. 14)

[^key-8871f540ae114cbbfc524aac2cb8e287]: Word in s. 22C(2) substituted (1.4.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 32(3)(b); S.I. 2016/465, art. 2(m), Sch. 1 para. 1(j) (with Sch. 2) (as amended (22.3.2017) by S.I. 2017/462, art. 16)

[^key-8887741321d67d4c6a8693e731aa5c6a]: Word in Sch. 4ZA para. 6 substituted (1.4.2014) by The Enterprise and Regulatory Reform Act 2013 (Competition) (Consequential, Transitional and Saving Provisions) Order 2014 (S.I. 2014/892), art. 1(1), Sch. 1 para. 93(7) (with art. 3)

[^key-88a77fb767e98dbff1e6840276b29a1a]: Words in s. 101A(11) substituted (1.11.2015) by Water Act 2014 (c. 21), ss. 41(5), 94(3); S.I. 2015/1786, art. 2 (with art. 3)

[^key-88c79bfa242a824239e1f31607d4f1ae]: S. 106 applied (6.11.2012) by The Network Rail (North Doncaster Chord) Order 2012 (S.I. 2012/2635), arts. 1, 20(2) (with art. 35(2))

[^key-88f460d35e3a848e41a6cdf4c73a7cb6]: Words in s. 31(2A) substituted (1.4.2014) by The Enterprise and Regulatory Reform Act 2013 (Competition) (Consequential, Transitional and Saving Provisions) Order 2014 (S.I. 2014/892), art. 1(1), Sch. 1 para. 84(3)(c) (with art. 3)