Water Industry Act 1991

[^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)

[^key-8968c135be67ec35ff685c8683125dfd]: S. 106 applied (15.9.2016) by The River Humber Gas Pipeline Replacement Order 2016 (S.I. 2016/853), arts. 1, 18(2) (with art. 43)

[^key-8996219d30bf47212b27d8e5f48a21f8]: Words in s. 219(1) substituted (1.4.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 120(2)(e)(i); 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-89cf3aca8be0abf6eb7bacd1c8c0104a]: S. 106 applied (2.8.2016) by The Midland Metro (Wolverhampton City Centre Extension) Order 2016 (S.I. 2016/684), arts. 1, 20(2) (with arts. 46, 47, Sch. 9 para. 4, Sch. 10 para. 12(2))

[^key-89dd27c6477876f873fa4915a40dca1e]: Words in s. 17B(5) inserted (1.4.2017) by Water Act 2014 (c. 21), ss. 2(3), 94(3); S.I. 2017/462, art. 3(b)

[^key-89e003e255c4ea6bb3414efca0c517be]: Words in s. 6(5) inserted (26.5.2015) by Deregulation Act 2015 (c. 20), s. 115(3)(r), Sch. 23 para. 28(4)(b)(i)

[^key-8a31aaf495278efec6bb2e723053e3ea]: Words in s. 206(3)(k) substituted (31.12.2020) by The Floods and Water (Amendment etc.) (EU Exit) Regulations 2019 (S.I. 2019/558), regs. 1(1), 3(6); 2020 c. 1, Sch. 5 para. 1(1)

[^key-8a5126723d243e3ccced2a66285638a0]: Word in s. 95A(1) repealed (1.11.2016) by Water Act 2014 (c. 21), ss. 30(3)(a), 94(3); S.I. 2016/1007, art. 2(e)

[^key-8a6492f062b0245dc96eef0fc3bc47ab]: Word in s. 3(4)(a) omitted (1.4.2013) by virtue of The Natural Resources Body for Wales (Functions) Order 2013 (S.I. 2013/755), art. 1(2), Sch. 2 para. 224(2) (with Sch. 7)

[^key-8b2c345def5f2b1191d25f94ff9f6f5d]: Words in Sch. 2 para. 1(4) substituted (1.4.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 122(2)(d); S.I. 2016/465, art. 2(m), Sch. 1 para. 1(bb) (with Sch. 2) (as amended (22.3.2017) by S.I. 2017/462, art. 16)

[^key-8b35694fc16b4f9a1b5f308c984c77dc]: Act applied (8.8.2017) by The Wrexham Gas Fired Generating Station Order 2017 (S.I. 2017/766), Sch. 9 para. 34

[^key-8b552aa47573379b2d4bf9ec601d133e]: S. 106 applied (6.8.2020) by The A19 Downhill Lane Junction Development Consent Order 2020 (S.I. 2020/746), arts. 1, 17(2) (with arts. 5, 17(7))

[^key-8b57cdb5bdc27e9585cead14b040e2c8]: S. 106 applied (22.4.2022) by The East Anglia TWO Offshore Wind Farm Order 2022 (S.I. 2022/433), arts. 1(2), 16(2) (with arts. 16(7), 40, 41) S. 106 applied (22.4.2022) by The East Anglia ONE North Offshore Wind Farm Order 2022 (S.I. 2022/432), arts 1(2), 16(2) (with arts. 16(7), 40, 41)

[^key-8b748e74d9d91d4d6db9c5312c0fb42a]: Words in s. 66H(10) inserted (1.4.2011) by Flood and Water Management Act 2010 (c. 29), s. 49(3), Sch. 5 para. 7(2) (with s. 49(1)(6)); S.I. 2011/694, art. 3(j)

[^key-8b974111975fff2741febb2230f6bfce]: Words in s. 17H(10) repealed (1.1.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 17(8)(b); S.I. 2015/1938, art. 3(f)(vii)

[^key-8baa4cad4c0c21a94d6fa88e921e1e72]: Words in s. 2B(9) substituted (31.3.2017) by The Water Act 2014 (Consequential Amendments etc.) Order 2017 (S.I. 2017/506), arts. 1(1), 6(2)

[^key-8bc4b4d80b057728ed07495b6f71c459]: S. 106 applied (2.2.2015) by The Northumberland County Council (A1 – South East Northumberland Link Road (Morpeth Northern Bypass)) Development Consent Order 2015 (S.I. 2015/23), arts. 1, 18(2) (with art. 18(7))

[^key-8c3ef541b861170134e9c44aa75de1fd]: Words in s. 162(1A)(d) substituted (1.4.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 105(2)(a); S.I. 2016/465, art. 2(m), Sch. 1 para. 1(s) (with Sch. 2) (as amended (22.3.2017) by S.I. 2017/462, art. 16)

[^key-8cd6b75bea615090d05a64d4690940c5]: Words in s. 89(3)(a) substituted (1.11.2022 for E.) by Health and Care Act 2022 (c. 31), ss. 175(5)(c), 186(6); S.I. 2022/1003, reg. 3(a)

[^key-8d56a2ac038578d7842976219868f711]: S. 195A applied (with modifications) (3.10.2016) by The Water and Sewerage Undertakers (Exit from Non-household Retail Market) Regulations 2016 (S.I. 2016/744), regs. 1(2), 19(5)

[^key-8d8e138714d52d437883afb3eccdb4ee]: Word in s. 31(5)(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. 84(8) (with art. 3)

[^key-8e3cf54d37c206c281f90f64afd64bec]: Words in s. 19(3) substituted (1.4.2014) by Enterprise and Regulatory Reform Act 2013 (c. 24), s. 103(3), Sch. 14 para. 9(3)(a); S.I. 2014/416, art. 2(1)(e) (with Sch.)

[^key-8e51bc7d4b9dae96da93b9e2415b904e]: Words in s. 17G(1)(a) repealed (1.1.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 16(3)(c); S.I. 2015/1938, art. 3(f)(vii)

[^key-8e625b3765d675d0b49c084d6f180ce5]: S. 23(2H) inserted (1.10.2010 for specified purposes, 12.1.2024 in so far as not already in force) by Flood and Water Management Act 2010 (c. 29), s. 49(3), Sch. 5 para. 5(1) (with s. 49(1)(6), Sch. 5 para. 5(4)); S.I. 2010/2169, art. 4; S.I. 2024/35, art. 2(b)

[^key-8eb366f8db60ca1d91446b0f03270561]: Words in s. 17D(2) substituted (15.12.2011) by The Water Supply (Amendment to the Threshold Requirement) Regulations 2011 (S.I. 2011/3014), regs. 1(1), 2 (with reg. 1(2))

[^key-8ef7efe50af2f0b5390440389a44bd66]: Sch. 3 para. 1(b) and word omitted (26.5.2015) by virtue of Deregulation Act 2015 (c. 20), s. 115(3)(r), Sch. 23 para. 28(4)(e)(i)

[^key-8efd43de0bb1bca8de4e45a010f63f99]: Words in s. 206(10) omitted (26.5.2015) by virtue of Deregulation Act 2015 (c. 20), s. 115(3)(r), Sch. 23 para. 28(4)(d)

[^key-8f10cad6a8484c292615291d8ef97974]: S. 23 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. 7(2) (with reg. 1(1)(c))

[^key-8f20ae2932c7c3347e3a5a123b389585]: Words in s. 63AB(1)(a) substituted (6.3.2017) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 64(4); S.I. 2017/58, art. 2(c) (with art. 3(1))

[^key-8f315264c518b5bf8038b428f0e27752]: Words in s. 202(4)(c) inserted (1.4.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 114(4)(d); 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-8f352697bf9ee7b379c85a252689f5cf]: Words in s. 89(4) substituted (1.11.2022 for E.) by Health and Care Act 2022 (c. 31), ss. 175(5)(d)(i), 186(6); S.I. 2022/1003, reg. 3(a)

[^key-8f9f6f9b9d763dc5d7336f009164d85c]: Words in s. 174(1A)(a)(ii) substituted (1.4.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 108(2)(c)(ii); 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-906c4b969b4bdfd1b701a9f6e197990e]: Words in s. 134(2)(b) substituted (1.4.2013) by The Natural Resources Body for Wales (Functions) Order 2013 (S.I. 2013/755), art. 1(2), Sch. 2 para. 246(3)(b) (with Sch. 7)

[^key-9081558343d3f421c2f9f394b4a7efbe]: Words in s. 17D(7) substituted (1.4.2017) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 12(7)(a); S.I. 2017/462, art. 3(k)(iv) (with art. 11)

[^key-908cf564190222634d65653dcea53364]: Words in s. 66G(10) inserted (1.4.2011) by Flood and Water Management Act 2010 (c. 29), s. 49(3), Sch. 5 para. 7(1) (with s. 49(1)(6)); S.I. 2011/694, art. 3(j)

[^key-90bf74dc84338e1ecca787ac0ff86ec6]: Words in s. 23(6) substituted (1.4.2017) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 35(8)(b); S.I. 2017/462, art. 3(k)(ee)(v)

[^key-910112049373717757abda680aa38fa2]: Words in s. 22A(1) substituted (1.4.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 31(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-9180227a56e6e1f03fcba528b8705e4a]: S. 104(3) repealed (1.10.2017 for E., 1.4.2019 for W.) by Water Act 2014 (c. 21), ss. 11(2)(b), 94(3); S.I. 2017/462, art. 4(b); S.I. 2017/1288, art. 3(d)

[^key-9194cdc5e312e3f10a4b2246da62d965]: S. 106 applied (2.10.2014) by The North Killingholme (Generating Station) Order 2014 (S.I. 2014/2434), arts. 1, 14(2) (with arts. 6, 13, 14(7), Sch. 8 Pt. 1 para. 6, Sch. 8 Pt. 3 paras. 4(3), 6, 17, Sch. 8 Pt. 5 para. 9)

[^key-91b3d393dd038c23d340566b22442d12]: S. 87(3)(a)(i) substituted (1.4.2013 for E.) by Health and Social Care Act 2012 (c. 7), ss. 35(2), 306(2)(3); S.I. 2013/160, art. 2(2) (with arts. 7-9)

[^key-91dacedfbbd5434a210fd4bb538d7c4f]: Words in s. 91(3) substituted (1.11.2022 for E.) by Health and Care Act 2022 (c. 31), ss. 176(3)(d)(ii), 186(6); S.I. 2022/1003, reg. 3(b)

[^key-921053ad3c69eeaefcb36c2bb1be7510]: Words in s. 16B(9) substituted (1.1.2025) by Digital Markets, Competition and Consumers Act 2024 (c. 13), s. 339(1), Sch. 30 para. 13(3)(a); S.I. 2024/1226, regs. 1(2), 2(1)(22)

[^key-9210c083b956c99eee51831f0e62ed21]: Word in s. 47(3B)(b) inserted (1.4.2018) by Water Act 2014 (c. 21), ss. 18(5)(d), 94(3); S.I. 2017/462, art. 5(a) (with art. 14)

[^key-9223e8c6cfd042af700aaf07e5883eca]: S. 155(3)-(6) applied (11.8.2022) by The Sizewell C (Nuclear Generating Station) Order 2022 (S.I. 2022/853), art. 1, Sch. 18 para. 7(3) (with arts. 62, 76, 87)

[^key-923657e67a4ed4e10b22eee25972699b]: Words in Sch. 11 para. 6(6)(a) inserted (25.6.2013) by Growth and Infrastructure Act 2013 (c. 27), ss. 25(9), 35(1); S.I. 2013/1488, art. 3(e) (with art. 8(3))

[^key-9249b75390dc65b5288e519108ec7f0b]: S. 141DB inserted (3.11.2023 for specified purposes) by Environment Act 2021 (c. 30), ss. 82(1), 147(3) (with s. 144); S.I. 2023/1170, reg. 2(a)(i)

[^key-92673a132476ab5189150ad53c6d2de0]: Word in Sch. 2 para. 5(3)(b) substituted (23.2.2024) by The Water Industry Act 1991 (Amendment) Order 2024 (S.I. 2024/204), arts. 1(2), 7(4)

[^key-9286b9945273cbfd43aa3097eab4dd52]: Words in s. 17H(4) substituted (1.1.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 17(3); S.I. 2015/1938, art. 3(f)(vii)

[^key-928c064319d12bdd5fdc92a917bc1f9c]: S. 106 applied (18.9.2014) by The A556 (Knutsford to Bowdon Improvement) Development Consent Order 2014 (S.I. 2014/2269), arts. 1, 15(2)

[^key-929a829bc3344bcec6b7886c32888bda]: S. 17R 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. 5(8) (with reg. 1(1)(c))

[^key-9300af18cc954254f150c618a7e3c191]: Word in Sch. 15 Pt. 1 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. 94(a) (with art. 3)

[^key-932f840c71b73c58797c92002a857b95]: S. 106 applied (18.4.2018) by The Network Rail (Hope Valley Capacity) Order 2018 (S.I. 2018/446), arts. 1, 14(2) (with arts. 14(7), 24(8), 33(2))

[^key-933956dbe480d6d53c9cbd93dffd1d35]: Words in s. 27H(4) inserted (1.4.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 43(3); 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-93404ef52ab59591e2697be8531ec7d2]: S. 106 applied (22.8.2013) by The Leeds Railway Station (Southern Entrance) Order 2013 (S.I. 2013/1933), arts. 1, 13(2)

[^key-9363be0b3cde0b70234a6d2810ebe235]: S. 39B(7)(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. 230(2)(b) (with Sch. 7)

[^key-939285616c8a6888d0a5e8a98a9afd5d]: Words in s. 17M(1) substituted (1.1.2025) by Digital Markets, Competition and Consumers Act 2024 (c. 13), s. 339(1), Sch. 30 para. 14(2)(b); S.I. 2024/1226, regs. 1(2), 2(1)(22)

[^key-93a0333d051a39376511cbf012fb18c4]: Words in Sch. 15 Pt. 2 omitted (6.4.2025 for specified purposes, 1.1.2026 for specified purposes, 6.4.2026 for specified purposes) by virtue of The Digital Markets, Competition and Consumers Act 2024 (Consequential Amendments) Regulations 2025 (S.I. 2025/381), reg. 1(2)(4), Sch. para. 10; S.I. 2025/272, reg. 3; S.I. 2026/284, regs. 1(2), 2(1)(2)

[^key-93c1775a2dd235044646cf1f9a999d1d]: Word in s. 12(3D) substituted (14.7.2014) by Water Act 2014 (c. 21), s. 94(2)(s), Sch. 7 para. 8(b)

[^key-9410249a46bb994cbad4bb1dfc28a927]: Word in s. 17N(3)-(7) substituted (1.4.2014) by Enterprise and Regulatory Reform Act 2013 (c. 24), s. 103(3), Sch. 6 para. 63(4); S.I. 2014/416, art. 2(1)(d) (with Sch.)

[^key-9421d8ca48bf06c0b2d8030a08278c11]: S. 106 applied (11.6.2020) by The M42 Junction 6 Development Consent Order 2020 (S.I. 2020/528), arts. 1, 21(2) (with art. 37)

[^key-9488da1bd274273b5d21af9226401110]: Words in s. 174(2A)(b)(i) substituted (1.4.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 108(4)(b); 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-94d84bf3eadb7b5f605aad32e14d97e4]: Words in s. 61(5) substituted (1.4.2017) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 60(8)(b)(ii); S.I. 2017/462, art. 3(k)(vii)

[^key-94f8aacf675bffbacf041c64ee5b776d]: Words in s. 17K(2)(a)(i) substituted (1.4.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 21(4); 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-951541cad4fe89e7c4df5818f1816d14]: S. 143(6)-(6D) substituted for s. 143(6)-(9) (1.11.2015) by Water Act 2014 (c. 21), ss. 16(1), 94(3); S.I. 2015/1469, art. 4(a) (with art. 5(4)(5))

[^key-9533a8716903c4cf6287361314438b94]: S. 195(4)-(4B) substituted for s. 195(4)-(6) (14.7.2014) by Water Act 2014 (c. 21), ss. 35, 94(2)(j)

[^key-95391598fe6d05687727b1ad2e161d69]: S. 106 applied (31.5.2025) by The East Yorkshire Solar Farm Order 2025 (S.I. 2025/585), arts. 1, 16(2) (with art. 49, Sch. 14)

[^key-9584bc028c9827ea2f5aac855016ba3b]: S. 14(6A) inserted (1.4.2014) by Enterprise and Regulatory Reform Act 2013 (c. 24), s. 103(3), Sch. 6 para. 54(7); S.I. 2014/416, art. 2(1)(d) (with Sch.)

[^key-958b75533878285e099584da50c3676f]: Sch. 2: power to amend conferred (1.10.2010) by Flood and Water Management Act 2010 (c. 29), s. 49(3), Sch. 5 para. 5(2)-(4) (with s. 49(1)(6)); S.I. 2010/2169, art. 4, Sch.

[^key-95a3bb503ec9d7b94cbc5e82004d7573]: Word in s. 192B(1)(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. 89(a) (with art. 3)

[^key-95afbf529b08004224e1117018ca5eca]: Words in s. 148(2)(cc) inserted (1.4.2017) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 100; S.I. 2017/462, art. 3(k)(xv)

[^key-960aa891bce05af4b13169bbc2bb3434]: S. 190 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. 13(10) (with reg. 1(1)(c))

[^key-966900c67fc1d3de577b23d986bdef43]: Words in s. 202(6) omitted (26.5.2015) by virtue of Deregulation Act 2015 (c. 20), s. 115(3)(r), Sch. 23 para. 28(4)(c)

[^key-9704b7b9f0b4f2ffc23d608f2f5944eb]: Words in s. 152(1) substituted (1.4.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 102; S.I. 2016/465, art. 2(m), Sch. 1 para. 1(r) (with Sch. 2) (as amended (22.3.2017) by S.I. 2017/462, art. 16)

[^key-973e3b52e3a362b5e3c9d0b2d55b8da9]: Word in s. 15(4) substituted (1.4.2014) by Enterprise and Regulatory Reform Act 2013 (c. 24), s. 103(3), Sch. 6 para. 56(4); S.I. 2014/416, art. 2(1)(d) (with Sch.)

[^key-97475bf5e875b1a25121db31358274fa]: Words in s. 174(1A)(a)(i) substituted (1.4.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 108(2)(b)(ii); 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-974f6e885f56dcdc9ef28d6d1c45f9e0]: Pt. 3 Ch. 2A applied (3.10.2016) by The Water and Sewerage Undertakers (Exit from Non-household Retail Market) Regulations 2016 (S.I. 2016/744), regs. 1(2), 38

[^key-97697e582ec3b00c845a8180dd06ba05]: Words in s. 147(1) inserted (1.4.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 99; S.I. 2016/465, art. 2(m), Sch. 1 para. 1(q) (with Sch. 2) (as amended (22.3.2017) by S.I. 2017/462, art. 16)