Water Industry Act 1991

[^key-111e2831abe5d5c537b8f278c3ce7535]: S. 17DA inserted (1.1.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 13; S.I. 2015/1938, art. 3(f)(iv)

[^key-1138403f7f4df4ee354c70dd063a6e14]: Word in ss. 16B(2)-(4) 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[^key-11541c8cccf9f5ba578f11851dd0ca64]: S. 17F(3) repealed (14.7.2014) by Water Act 2014 (c. 21), ss. 25(3), 94(2)(f)

[^key-125c82e1d097b71fa85aa4ad5bfbe68a]: Words in s. 61(1) substituted (1.4.2017) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 60(2)(a); S.I. 2017/462, art. 3(k)(vii)

[^key-12fe667215ee36eafa3729f4be07b0fe]: Sch. 4A para. 13(2)(ba) inserted (20.3.2015) by Criminal Justice and Courts Act 2015 (c. 2), s. 95(1), Sch. 9 para. 10(b); S.I. 2015/778, art. 2(1)(c)

[^key-131ec9bf5b88f215e8911ab0823c3145]: Word in s. 195(2)(bc) substituted (1.4.2017) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 111(2)(a); S.I. 2017/462, art. 3(k)(xviii)

[^key-137cbdc9a9276a8d030a288b074e2ea1]: S. 106 applied (3.10.2018) by The A19/A184 Testo’s Junction Alteration Development Consent Order 2018 (S.I. 2018/994), arts. 1, 17(2)(7) (with arts. 3(3), 5)

[^key-13b0bec25b5b4b0f1d3ea572bbd9171d]: Words in s. 10(2) substituted (1.11.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 7(2); S.I. 2016/1007, art. 2(h)(iii) (with transitional provisions (22.3.2017) in S.I. 2017/462, art. 14)

[^key-14716c5e7fb8dd1eefd8d193ede147b6]: S. 18 extended (20.4.2010) by The Water Supply (Water Quality) Regulations 2010 (S.I. 2010/994), regs. 1(1), 38 (with reg. 1(2)(3))

[^key-1472795552fbb73ad38c7616b8bdaf7d]: S. 52(4)(ca) inserted (E.) (31.10.2021) by The Water and Sewerage Undertakers (Exit from Non-household Retail Market) (Consequential Provision) Regulations 2021 (S.I. 2021/1208), regs. 1(2), 2(4)

[^key-14738c86bb6dd29350934d4fd6f7e06b]: Word in s. 27(2)(aa) substituted (1.4.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 39(3)(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-148ea3a1e5c7f354aef2a4ea3159ba62]: Words in s. 17D(11) substituted (1.4.2017) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 12(10)(a); S.I. 2017/462, art. 3(k)(iv) (with art. 11)

[^key-14906e7c3a6223604046ee2673718a1e]: Words in s. 93D(4) substituted (1.4.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 83(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-14c9d6dede78c543ed6712b5943b48b1]: Words in s. 66G(1) substituted (1.4.2017) by Water Act 2014 (c. 21), s. 94(3), Sch. 2 para. 7(2); S.I. 2017/462, art. 3(i)(v)

[^key-1511de03af3c1ce532aa5049d22fe02f]: S. 106 applied (30.9.2025) by The M60/M62/M66 Simister Island Interchange Development Consent Order 2025 (S.I. 2025/1018), arts. 1, 18(2) (with arts. 5, 18(7), 34, Sch. 9)

[^key-153a1f1e0048b8af60f8c6860ec84447]: S. 106 applied (24.11.2016) by The Transport for Greater Manchester (Light Rapid Transit System) (Trafford Park Extension) Order 2016 (S.I. 2016/1035), arts. 1, 21(2) (with arts. 21(7), 43, 44)

[^key-1556a171e283c4bec193530b2e39d910]: Word in s. 206(4)(a) 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. 92(2) (with art. 3)

[^key-1558978538374e0449424d95c7e263cf]: Words in s. 17Q(9) substituted (1.1.2025) by Digital Markets, Competition and Consumers Act 2024 (c. 13), s. 339(1), Sch. 30 para. 15(3)(a); S.I. 2024/1226, regs. 1(2), 2(1)(22)

[^key-155ba2505442209a3808f7d37c441694]: Word in Sch. 4ZA para. 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. 93(7) (with art. 3)

[^key-157794488c0413afd47bfe5268abb9d8]: S. 106 applied (24.8.2017) by The National Grid (Richborough Connection Project) Development Consent Order 2017 (S.I. 2017/817), arts. 1, 16(2) (with arts. 16(7), 22)

[^key-158f9b9572ad9833679ada62e9ce85dc]: S. 87(8)-(10) omitted (1.4.2013 for E.) by virtue of Health and Social Care Act 2012 (c. 7), ss. 35(7), 306(2)(3); S.I. 2013/160, art. 2(2) (with arts. 7-9)

[^key-15a11467fe0bb992638f6c558c14cc44]: S. 154A(6)(c) and word inserted (1.4.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 103(3)(c); 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-15d5cbc13fa63967a0ae360af6d4692f]: S. 90B inserted (1.11.2022 for E.) by Health and Care Act 2022 (c. 31), ss. 176(2), 186(6); S.I. 2022/1003, reg. 3(b)

[^key-15df1e960c56dcb1d5261786355309c8]: Word in s. 35(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. 87 (with art. 3)

[^key-161cd4ab067833ef846ea547913c5f0a]: Word in s. 154A(6)(a) repealed (1.4.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 103(3)(a); 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-165abab30fca1ad8f17b3d5ba4fcd34b]: Words in s. 39B(7)(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. 230(2)(a) (with Sch. 7)

[^key-165cac1c45ecef8e37f4f1c602b28725]: Word in s. 33(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. 86 (with art. 3)

[^key-167191780edd5a0f6e17a33067a08961]: Words in s. 69(5)(aa) substituted (1.4.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 68(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-168064e8e494f76d089b22062ef4fc3d]: S. 106 applied (7.8.2015) by The Preesall Underground Gas Storage Facility Order 2015 (S.I. 2015/1561), arts. 1, 15(2) (with art. 44)

[^key-16b1ec430a386e9eafdacc72ce726326]: Words in s. 91(1) substituted (1.11.2022 for E.) by Health and Care Act 2022 (c. 31), ss. 176(3)(b)(ii), 186(6); S.I. 2022/1003, reg. 3(b)

[^key-16d4bb272dfc30e63571774aaa55c7e4]: Words in s. 215(3) inserted (1.4.2013) by The Natural Resources Body for Wales (Functions) Order 2013 (S.I. 2013/755), art. 1(2), Sch. 2 para. 257(b) (with Sch. 7)

[^key-1745534dec3bfede775e59932c04127e]: Words in s. 219(1) repealed (1.4.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 120(2)(g); 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-175bae4ac8db43ed44ef471786c623f2]: S. 106 applied (29.12.2022) by The Keadby 3 (Carbon Capture Equipped Gas Fired Generating Station) Order 2022 (S.I. 2022/1396), arts. 1, 14(2) (with art. 32, Sch. 10 paras. 26(2), 68)

[^key-176cfa26c23a26c28c52ab93fab7a937]: Word in s. 47(3B)(c) inserted (1.4.2018) by Water Act 2014 (c. 21), ss. 18(5)(e), 94(3); S.I. 2017/462, art. 5(a) (with art. 14)

[^key-17dcabd89b023c08df952c8f8a953e5e]: Words in s. 166(1) substituted (1.4.2013) by The Natural Resources Body for Wales (Functions) Order 2013 (S.I. 2013/755), art. 1(2), Sch. 2 para. 251(2) (with Sch. 7)

[^key-17df4645049bdd1efa975ac43fbef6ba]: Words in s. 46(7)(b) substituted (1.4.2018) by Water Act 2014 (c. 21), ss. 18(4)(b), 94(3); S.I. 2017/462, art. 5(a) (with art. 14)

[^key-17e0638f359fcfa476d54de3f6b09fe4]: Words in s. 219(1) inserted (1.4.2014) by Enterprise and Regulatory Reform Act 2013 (c. 24), s. 103(3), Sch. 6 para. 68(a); S.I. 2014/416, art. 2(1)(d) (with Sch.)

[^key-180a1bd3974fc06290c55995de151e5c]: Words in s. 93B(1) substituted (1.4.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 81(3); 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-1827422fad5757b39c46fa6077c7ddd6]: Words in s. 17F title inserted (1.4.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 15(2); S.I. 2016/465, art. 2(m), Sch. 1 para. 1(i) (with Sch. 2) (as amended (22.3.2017) by S.I. 2017/462, art. 16)

[^key-185da0ebbeec5d4f93c928d6b1ed20cc]: Words in s. 61(3) inserted (1.4.2017) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 60(6)(a); S.I. 2017/462, art. 3(k)(vii)

[^key-1871c8232286e03d07ed07b445f6fdad]: S. 219(11) inserted (1.1.2015 for specified purposes, 1.11.2016 for specified purposes, 1.4.2017 for specified purposes) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 120(3); S.I. 2014/3320, art. 2(2)(e)(v); S.I. 2016/1007, art. 2(h)(vii); S.I. 2017/462, art. 3(k)(bb)(xxii)

[^key-1874abb3b0ca1a6490df43b103d26ff8]: S. 185(6)(7) omitted (31.3.2017) by virtue of The Water Act 2014 (Consequential Amendments etc.) Order 2017 (S.I. 2017/506), arts. 1(1), 6(5)(b) (with art. 34)

[^key-189886cc48cca67cfa19d9693b59f6b1]: Sch. 13 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(7) (with reg. 1(1)(c))

[^key-18c9eea8bad4e3da3af149396997bf3d]: S. 66G(4)(ca) inserted (1.4.2013) by The Natural Resources Body for Wales (Functions) Order 2013 (S.I. 2013/755), art. 1(2), Sch. 2 para. 234(3) (with Sch. 7)

[^key-1902fee7f63db62a21012f9a6a7bb5b5]: S. 17B(4A) inserted (1.4.2017) by Water Act 2014 (c. 21), ss. 2(2), 94(3); S.I. 2017/462, art. 3(b)

[^key-191b5a0b5f4f114b0647c559e57c6759]: Words in s. 51E(2) substituted (1.10.2017 for E., 1.4.2019 for W.) by Water Act 2014 (c. 21), ss. 10(4), 94(3); S.I. 2017/462, art. 4(a); S.I. 2017/1288, art. 3(c)

[^key-19923303ded5211c9da10a0abe5cfc8a]: Words in s. 195(3AA) substituted (1.4.2017) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 111(3); S.I. 2017/462, art. 3(k)(xviii)

[^key-19eec79df200f6afd9da77897e97f966]: S. 14B(6) inserted (1.1.2025) by Digital Markets, Competition and Consumers Act 2024 (c. 13), s. 339(1), Sch. 30 para. 12(4); S.I. 2024/1226, regs. 1(2), 2(1)(22)

[^key-1a278d3e743142b3ecaa2eb7c602987f]: S. 106 applied (10.8.2016) by The York Potash Harbour Facilities Order 2016 (S.I. 2016/772), arts. 1, 14(2) (with arts. 14(7), 35, 36)

[^key-1a284000500283989ca5772e926bb28a]: S. 104(5A) inserted (1.10.2017 for E., 1.4.2019 for W.) by Water Act 2014 (c. 21), ss. 11(2)(c), 94(3); S.I. 2017/462, art. 4(b); S.I. 2017/1288, art. 3(d)

[^key-1a60df20b26414ec06b02154161cae50]: Word in s. 38A(1) repealed (1.11.2016) by Water Act 2014 (c. 21), ss. 29(3)(a), 94(3); S.I. 2016/1007, art. 2(d)

[^key-1a762db0f3f3d300b884deea55ce7f93]: Word in s. 22F substituted (1.4.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 34; 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-1aaa086b53b416ea7f961a86d7432b96]: S. 106 applied (29.12.2025) by The Helios Renewable Energy Project Order 2025 (S.I. 2025/1372), arts. 1, 17(2) (with Sch. 9)

[^key-1b60787a57b40a3cf3e1ebc74edbac5a]: Words in s. 45(6A) substituted (1.4.2018) by Water Act 2014 (c. 21), ss. 18(3)(c), 94(3); S.I. 2017/462, art. 5(a) (with art. 14)

[^key-1b8e629e3a03a9354ea2d6364f13ae53]: Words in s. 206(5)(a) substituted (1.4.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 116(3); 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-1ba0c2f7303e217680adcf6845ce6734]: S. 186 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(8) (with reg. 1(1)(c))

[^key-1bbda00661c2153f163a028a3bd10fa8]: Words in s. 17P(11)(a) substituted (1.4.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 24(5)(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-1bd8d587845c6bc6ab4c0a470d824ab9]: Word in s. 2(2C) repealed (1.4.2017) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 3(4)(a); S.I. 2017/462, art. 3(k)(ii)

[^key-1c1f3186cec46b48dc06e9000bec0a8e]: Word in Sch. 4ZA para. 3(1)(2) 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)(a) (with art. 3)

[^key-1c20874b8eb178af72a2a46a74c628a8]: S. 43 repealed (1.4.2018 for specified purposes) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 55; S.I. 2017/462, art. 5(e)(ii) (with art. 14) (as amended by S.I. 2017/926, art. 2(3))

[^key-1c3f1f85411de5be21e10d8cabee7db1]: S. 106A inserted (2.5.2018 for W. for specified purposes, 7.1.2019 for W. in so far as not already in force) by Flood and Water Management Act 2010 (c. 29), s. 49(3), Sch. 3 para. 16(2) (with s. 49(1)(6)); S.I. 2018/557, arts. 2(b), 3(b)

[^key-1c7133f9998de7e2bf8f4d7a7540914e]: S. 99(2)(a) substituted (1.4.2018) by Water Act 2014 (c. 21), ss. 19(2)(b), 94(3); S.I. 2017/462, art. 5(b) (with art. 14)

[^key-1c75c10ec8263f39e5905be22e445ad0]: S. 105(2) substituted (1.10.2010 for specified purposes, 1.10.2012 for specified purposes) by Flood and Water Management Act 2010 (c. 29), ss. 42(2), 49(3) (with s. 49(1)(6)); S.I. 2010/2169, art. 4; S.I. 2012/2048, art. 2 (with art. 3)

[^key-1c98d8d04027fcbd88da9e87bfd8c62f]: S. 106 applied (3.4.2019) by The Millbrook Gas Fired Generating Station Order 2019 (S.I. 2019/578), arts. 1, 16(2)

[^key-1d4abb45bf8fde2449e0177931c37952]: Words in s. 69(7)(b) substituted (1.4.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 68(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-1d784cfd022860adc664a6c2929ef93c]: Words in s. 46(7) substituted (1.4.2018) by Water Act 2014 (c. 21), ss. 18(4)(c), 94(3); S.I. 2017/462, art. 5(a) (with art. 14)

[^key-1d87a51703aed285b9c2cc713e544109]: S. 17H(8)(b)(i) substituted (1.1.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 17(6)(b); S.I. 2015/1938, art. 3(f)(vii)

[^key-1d93a1140717dd65a1d84fa8a9e2edfc]: S. 66H(11) inserted (1.4.2017) by Water Act 2014 (c. 21), s. 94(3), Sch. 2 para. 8(5); S.I. 2017/462, art. 3(i)(v)

[^key-1df19a724acc9846d2154e42edae1d3d]: Words in Sch. 11 para. 1(3)(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. 262(2) (with Sch. 7)

[^key-1e097941cb2f1018c8e88e1c9c94c088]: S. 106 applied (5.6.2026) by The Dogger Bank South East and West Offshore Wind Farms Order 2026 (S.I. 2026/577), arts. 1, 16(2) (with arts. 40, 41, Sch. 15)

[^key-1e42203d888180b771fe2bee990764bf]: Words in s. 195(2)(bb) substituted (1.4.2013) by The Natural Resources Body for Wales (Functions) Order 2013 (S.I. 2013/755), art. 1(2), Sch. 2 para. 253 (with Sch. 7)

[^key-1e5f5b1c3ca8f1522401314631304ffb]: S. 107(4) substituted (1.4.2018) by Water Act 2014 (c. 21), ss. 19(4)(c), 94(3); S.I. 2017/462, art. 5(b) (with art. 14)

[^key-1e8b77bf98de6d29e3fe3fc9f1adf3a8]: Words in s. 39C(3) substituted (1.4.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 53(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-1ea3abcbc0828ab866ea26302a535c95]: S. 8(6A) inserted (14.7.2014) by Water Act 2014 (c. 21), ss. 13(5), 94(2)(b)

[^key-1ea3eb623c393054348aa7315d67cee8]: Words in s. 17F(7) repealed (1.1.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 15(4)(a); S.I. 2015/1938, art. 3(f)(v)

[^key-1eaa026689412add68349be4c86e31e4]: S. 42(4) repealed (1.4.2018) by Water Act 2014 (c. 21), ss. 18(2)(c), 94(3); S.I. 2017/462, art. 5(a) (with art. 14)

[^key-1ebcc2de19030b861ce17ef276eabd8a]: Words in s. 87C(4)(b) substituted (1.4.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 77; 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-1f0e510161ce6b5cdfef5c9c51723629]: S. 72 modified (1.1.2017) by The Environmental Permitting (England and Wales) Regulations 2016 (S.I. 2016/1154), reg. 1(1), Sch. 23 paras. 1(3), 2 Table 9 (with regs. 1(3), 77-79, Sch. 4)

[^key-1f91c50c9a83c50a55ff08d8952f8e6e]: S. 115(5A) inserted (2.5.2018 for W. for specified purposes, 7.1.2019 for W. in so far as not already in force) by Flood and Water Management Act 2010 (c. 29), s. 49(3), Sch. 3 para. 16(3) (with s. 49(1)(6)); S.I. 2018/557, arts. 2(b), 3(b)

[^key-1fb8d4d2f95fdc5e16ec771f7e612d9a]: Words in s. 14(1) substituted (1.4.2014) by Enterprise and Regulatory Reform Act 2013 (c. 24), s. 103(3), Sch. 6 para. 54(2)(b); S.I. 2014/416, art. 2(1)(d) (with Sch.)

[^key-1fc5ae9c371f55ed022bbfb7e37e6162]: Words in s. 93A(2) substituted (1.4.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 80(1)(a); 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-1fd4dd056352bb69175d28be855601c1]: S. 144A 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. 11(4) (with reg. 1(1)(c))

[^key-20185a6b248fe9fcc0f8547e7fb20c5e]: Words in s. 66I(9) substituted (1.4.2017) by Water Act 2014 (c. 21), s. 94(3), Sch. 2 para. 9(5); S.I. 2017/462, art. 3(i)(vi)

[^key-201dd26ac3407ebaf6eaf65f84043630]: S. 66J modified (temp.) (22.3.2017) by The Water Act 2014 (Commencement No. 9 and Transitional Provisions) Order 2017 (S.I. 2017/462), art. 11(5)

[^key-203397e3c0d94acc8f8e714e75941c8c]: Words in s. 61(4) repealed (1.4.2017) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 60(7)(a); S.I. 2017/462, art. 3(k)(vii)

[^key-20a4bf9c80f62f0920dd6671a4b64581]: Word in s. 101B(3) substituted (1.4.2018) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 89(a); S.I. 2017/462, art. 5(e)(aa)(iv) (with art. 14) (as amended by S.I. 2017/926, art. 2(3))

[^key-20ac566d00042bd2f94fc467da90075c]: Words in s. 161(4) inserted (1.4.2013) by The Natural Resources Body for Wales (Functions) Order 2013 (S.I. 2013/755), art. 1(2), Sch. 2 para. 250(3) (with Sch. 7)

[^key-20b60ce6f1be08b2e4730bf88d2f2254]: Word in s. 22A(4) substituted (1.4.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 31(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-20c621cb1fae60f9e79cc33148af1fa7]: S. 167(2A) inserted (1.10.2010) by Flood and Water Management Act 2010 (c. 29), ss. 41(2), 49(3) (with ss. 41(3), 49(1)(6)); S.I. 2010/2169, art. 4, Sch.

[^key-20d00c68d788afc18d4ef0ad3f15b6c1]: S. 112 excluded (28.6.2013) by The Water Industry (Specified Infrastructure Projects) (English Undertakers) Regulations 2013 (S.I. 2013/1582), regs. 1(1)(b), 6(7) (with reg. 1(1)(c))

[^key-20e2dc6540d0686b8f1c6f693bd65354]: S. 154A(7)(c) and word inserted (1.4.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 103(4)(e); 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-20e596d819bd5ac8a1d05e4404783a9d]: Word in s. 205(4)(a) repealed (1.4.2017) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 115(a); S.I. 2017/462, art. 3(k)(xx)

[^key-20fabd52de11aacc444180f24f961aef]: Sch. 1A para. 9(3)(f)(fa) substituted for Sch. 1A para. 9(3)(f) and word (1.4.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 121; 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-2116e2b6053d434bd282af4691e9b57c]: S. 106 applied (22.12.2017) by The M20 Junction 10a Development Consent Order 2017 (S.I. 2017/1202), arts. 1, 18(2) (with arts. 4, 37)

[^key-216f47eab511ff9d2102dc1198359727]: S. 166(10) inserted (1.4.2013) by The Natural Resources Body for Wales (Functions) Order 2013 (S.I. 2013/755), art. 1(2), Sch. 2 para. 251(3) (with Sch. 7)

[^key-21bb02a426db900752b54440e366582e]: S. 219 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(2) (with regs. 1(1)(c), 3(2)(5))

[^key-21d8c970e9b4da0298e07142dac997c1]: 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(4) (with Sch. 7)

[^key-21f4be2d8499cd571d56cca7de238a96]: Words in s. 37A(3)(b) substituted (1.4.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 47(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-220208e175a2987175fcce48dfc9075a]: Word in s. 17Q(6) inserted (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. 79(2) (with art. 3, Sch. 2 para. 2)

[^key-22401d5a590a521e691aaeea77fc1389]: Word in s. 31(3) inserted (1.1.2025) by Digital Markets, Competition and Consumers Act 2024 (c. 13), s. 339(1), Sch. 12 para. 23(3); S.I. 2024/1226, regs. 1(2), 2(1)(16)

[^key-2272488e36d3e50d46fc377685f1cbc8]: S. 201 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. 14(5) (with reg. 1(1)(c))

[^key-227aeb767b9c283054f05d4edfc9b0c8]: S. 106 applied (2.10.2014) by The Clocaenog Forest Wind Farm Order 2014 (S.I. 2014/2441), arts. 1, 18(2) (with art. 33)

[^key-229c3ab5e7d6fe600b72a3e98c7480d5]: S. 75(2)-(12) applied (with modifications) (20.4.2010) by The Water Supply (Water Quality) Regulations 2010 (S.I. 2010/994), regs. 1(1), 21(4)(5) (with reg. 1(2)(3))

[^key-22a67c4e7a7767031107ab034d4042d7]: 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), 25(5)

[^key-22b32ac200d2bbb9fd091fb1efa520cc]: S. 112(8) added (1.10.2010 for specified purposes; 1.10.2012 for specified purposes) by Flood and Water Management Act 2010 (c. 29), ss. 42(4), 49(3) (with s. 49(1)(6)); S.I. 2010/2169, art. 4, Sch.; S.I. 2012/2048, art. 2 (with art. 3)

[^key-22c5ec835485587d6f8de46baef26a6e]: S. 41(2)(ca) inserted (15.1.2012) by Localism Act 2011 (c. 20), s. 240(1)(l), Sch. 22 para. 40

[^key-231112cc417dc6da860ea7d3e20809d9]: S. 106 applied (25.6.2025) by The M5 Junction 10 Development Consent Order 2025 (S.I. 2025/795), arts. 1, 18(2) (with arts. 4, 43, Sch. 9)

[^key-2329160721d8bc06e2f23a97f4edc278]: S. 106 applied (14.8.2015) by The Hirwaun Generating Station Order 2015 (S.I. 2015/1574), arts. 1, 14(2)

[^key-23666c11349874091d804a659b9da721]: Words in s. 23(2A) substituted (1.4.2017) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 35(3)(a); S.I. 2017/462, art. 3(k)(cc)(v)

[^key-237365d4ef0db119f08ea31b84754580]: Words in s. 95A(1)(b) inserted (1.11.2016) by Water Act 2014 (c. 21), ss. 30(3)(c), 94(3); S.I. 2016/1007, art. 2(e)

[^key-239d3a418b08a2b07c7d6e1fbe442c67]: Words in s. 69(2) substituted (1.4.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 68(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-23a7bebaa7d8dc3e4cb803dc59cdc8d9]: S. 106 applied (16.12.2015) by The Network Rail (Tinsley Chord) Order 2015 (S.I. 2015/1876), arts. 1, 8(2)

[^key-23ddcddd1cf0644aa8fb959669c22eda]: Words in s. 123 substituted (1.4.2013) by The Natural Resources Body for Wales (Functions) Order 2013 (S.I. 2013/755), art. 1(2), Sch. 2 para. 240(2) (with Sch. 7)

[^key-23f5a1c64a59fedab2c9c0bc969ec32e]: S. 106 applied (19.2.2021) by The A303 Sparkford to Ilchester Dualling Development Consent Order 2021 (S.I. 2021/125), arts. 1, 20(2) (with arts. 4, 47)

[^key-242732c090b9c6d16d3410d19a9e4bd1]: S. 99(5) repealed (1.4.2018) by Water Act 2014 (c. 21), ss. 19(2)(d), 94(3); S.I. 2017/462, art. 5(b) (with art. 14)

[^key-245a8e2007db46357b68d2369468ae95]: Words in s. 101A(8)(a) substituted (1.11.2015) by Water Act 2014 (c. 21), ss. 41(4), 94(3); S.I. 2015/1786, art. 2 (with art. 3)

[^key-24c6e75fe1ce61d33d3015cb857ec4bd]: Words in s. 66I(1) substituted (1.4.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 2 para. 9(2); S.I. 2016/465, art. 2(j)(ii) (with Sch. 2) (as amended (22.3.2017) by S.I. 2017/462, art. 16)

[^key-24ff70d6ea1a2045493d0ee5dacff635]: Word in s. 92 heading inserted (31.12.2020) by The Floods and Water (Amendment etc.) (EU Exit) Regulations 2019 (S.I. 2019/558), regs. 1(1), 3(3)(a); 2020 c. 1, Sch. 5 para. 1(1)

[^key-253e378f73f9c13f1adbb26b66e54b10]: Words in s. 12(3) substituted (1.4.2014) by Enterprise and Regulatory Reform Act 2013 (c. 24), s. 103(3), Sch. 6 para. 53(3)(b); S.I. 2014/416, art. 2(1)(d) (with Sch.)

[^key-2565d9435a1eda7e64234532f95666e8]: Words in s. 213(1) substituted (3.11.2023 for specified purposes, 17.5.2024 in so far as not already in force) by Environment Act 2021 (c. 30), ss. 82(2), 147(3) (with s. 144); S.I. 2023/1170, reg. 2(a)(ii); S.I. 2024/639, reg. 2(d)

[^key-25af057a8f228282c2ab7e9b21dfb432]: Words in s. 2(2DB)(b) substituted (1.4.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 3(6); S.I. 2016/465, art. 2(m), Sch. 1 para. 1(c)(ii) (with Sch. 2) (as amended (22.3.2017) by S.I. 2017/462, art. 16)

[^key-25afd2e00f0ffb602f98ddabb59bf8b2]: S. 106 applied (5.4.2024) by The National Grid (Yorkshire Green Energy Enablement Project) Development Consent Order 2024 (S.I. 2024/393), arts. 1, 19(2) (with arts. 19(7), 44, Sch. 15)

[^key-263936818cbea3cc77ecf55b5947feab]: Sch. 3 para. 7(4)(a) and word omitted (26.5.2015) by virtue of Deregulation Act 2015 (c. 20), s. 115(3)(r), Sch. 23 para. 28(4)(e)(iv)

[^key-266f50cb3df18a8a2b805d465e4f1f3e]: S. 24 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(3) (with reg. 1(1)(c))

[^key-26966354d16752f88e8e6f0b8d8f5848]: S. 187 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(9) (with reg. 1(1)(c))

[^key-26c17d50f91abac9b7a844710d1add4a]: S. 17H(8)(b)(v) inserted (1.1.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 17(6)(e); S.I. 2015/1938, art. 3(f)(vii)

[^key-276f2a7ed3085d530223c9e0c4022aba]: Words in s. 206(3)(b) inserted (31.3.2017) by The Water Act 2014 (Consequential Amendments etc.) Order 2017 (S.I. 2017/506), arts. 1(1), 6(6)(b)(ii)