Water Industry Act 1991

[^key-5de089b5f647b53ad7bae3aa788cced1]: S. 106 applied (28.4.2025) by The Rampion 2 Offshore Wind Farm Order 2025 (S.I. 2025/468), arts. 1, 17(2) (with arts. 47, 48, Sch. 10)

[^key-5e08bca305751fc75fc6d913dc2d884c]: Sch. 3 para. 2(b) omitted (26.5.2015) by virtue of Deregulation Act 2015 (c. 20), s. 115(3)(r), Sch. 23 para. 28(4)(e)(ii)

[^key-5e2dfbc73ad9fa149ea6eb3b39c9e08a]: Words in s. 27E(1) substituted (1.4.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 42; 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-5e3e169697230869119682eb218be3b7]: Words in s. 16B(6) substituted (1.1.2025) by Digital Markets, Competition and Consumers Act 2024 (c. 13), s. 339(1), Sch. 30 para. 13(2)(b); S.I. 2024/1226, regs. 1(2), 2(1)(22)

[^key-5e9e0f3aa74e8cc34bf64fe94793df76]: Ss. 76-76C substituted for s. 76 (1.9.2010 for specified purposes, 1.10.2010 in so far as not already in force) by Flood and Water Management Act 2010 (c. 29), ss. 36, 49(3) (with s. 49(1)(6)); S.I. 2010/2169, arts. 3(3), 4, Sch. (with art. 5)

[^key-5edd0cf872884bc7c47e6651641eb820]: Words in s. 219(1) substituted (1.4.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 120(2)(e)(ii); 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-5f578159ab3b843a6c13ec7c9fdfc0a4]: Words in s. 14(2) substituted (1.4.2014) by Enterprise and Regulatory Reform Act 2013 (c. 24), s. 103(3), Sch. 6 para. 54(3)(b); S.I. 2014/416, art. 2(1)(d) (with Sch.)

[^key-5f68ae08d0491857d618ddaa16ce2a9b]: S. 195(3D) inserted (1.9.2016 for the insertion of s. 195(3D)(b)-(d)) by Water Act 2014 (c. 21), ss. 34(3), 94(3); S.I. 2016/465, art. 3(c)(i) (with Sch. 2) (as amended (22.3.2017) by S.I. 2017/462, art. 16)

[^key-5f72c37d59c515ba069a2ac1ec984b44]: Words in s. 71 substituted (1.4.2013) by The Natural Resources Body for Wales (Functions) Order 2013 (S.I. 2013/755), art. 1(2), Sch. 2 para. 236(2) (with Sch. 7)

[^key-5f8036583b07fa61607d016c4640c35e]: Words in s. 69(7)(a)(ii) 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[^key-5f9874ec4fcf7399bd0592431ff83972]: Words in s. 17F(4) repealed (1.1.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 15(3)(a); S.I. 2015/1938, art. 3(f)(v)

[^key-5fa696d1dc0306e604bdf4d735237e28]: S. 106 applied (1.1.2022) by The Norfolk Boreas Offshore Wind Farm Order 2021 (S.I. 2021/1414), arts. 1, 15(2) (with arts. 15(6), 41, 42, Sch. 17 para. 66)

[^key-5fc14cb6b045de14a6ab2ab8be9455dc]: Words in s. 63AA cross-heading substituted (1.4.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 62; S.I. 2016/465, art. 2(m), Sch. 1 para. 1(l) (with Sch. 2) (as amended (22.3.2017) by S.I. 2017/462, art. 16)

[^key-5fe5f0787787a4493b341f7205bc4930]: Word in s. 47(3B) repealed (1.4.2018) by Water Act 2014 (c. 21), ss. 18(5)(b), 94(3); S.I. 2017/462, art. 5(a) (with art. 14)

[^key-6032503010db7b890e6776bb3946aebc]: Words in s. 92(1) omitted (31.12.2020) by virtue of The Floods and Water (Amendment etc.) (EU Exit) Regulations 2019 (S.I. 2019/558), regs. 1(1), 3(3)(b)(i); 2020 c. 1, Sch. 5 para. 1(1)

[^key-6044e1317e27792d17da728d98dbec8c]: Word in s. 86(1) omitted (24.2.2025) by virtue of Water (Special Measures) Act 2025 (c. 5), ss. 12(3)(b)(i), 17(2)(h)

[^key-609b278fd9fac27dbe35f9667ae2fa1e]: S. 96ZA inserted (15.7.2015) by Water Act 2014 (c. 21), ss. 30(7), 94(3); S.I. 2015/1469, art. 2(d)

[^key-60a9ba7b1f2264812d8c9a6dbd2d1ba6]: S. 23(4)(b) substituted (1.4.2017 so far as it substitutes s. 23(4)(b)(i), otherwise prosp.) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 35(7); S.I. 2017/462, art. 3(k)(dd)(v)

[^key-610c70f5ee44ec2a53f2b931fc1f96a1]: S. 195A 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(2) (with reg. 1(1)(c))

[^key-613f2101744452c8f17f36f7b0c1f62f]: Words in Sch. 13 para. 4 substituted (28.12.2017) by Digital Economy Act 2017 (c. 30), s. 118(6), Sch. 3 para. 30(b); S.I. 2017/1286, reg. 2(d)

[^key-614c865a54ffd882d6a40014cb4e949d]: Words in s. 22A(7) substituted (1.4.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 31(6)(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-615dfd264a6c7c6b15e2b8ab2c348df5]: Words in s. 185(4) substituted (31.3.2017) by The Water Act 2014 (Consequential Amendments etc.) Order 2017 (S.I. 2017/506), arts. 1(1), 6(5)(a) (with art. 34)

[^key-617ed4514ae18e09bff99774e5e846f0]: Words in s. 92(1)(b) inserted (31.12.2020) by The Floods and Water (Amendment etc.) (EU Exit) Regulations 2019 (S.I. 2019/558), regs. 1(1), 3(3)(b)(iii); 2020 c. 1, Sch. 5 para. 1(1)

[^key-61acba96a81be3ef91ebdc8dcac5d1ce]: S. 17Q(6A) 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(3) (with art. 3, Sch. 2 para. 2)

[^key-61dc921c846976ab91d8388312018402]: Word in s. 17N(2) substituted (1.4.2014) by Enterprise and Regulatory Reform Act 2013 (c. 24), s. 103(3), Sch. 6 para. 63(3)(a); S.I. 2014/416, art. 2(1)(d) (with Sch.)

[^key-623680f782bd98ceccc55ad34118cb01]: S. 17H(8)(b)(iii) repealed (1.1.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 17(6)(c); S.I. 2015/1938, art. 3(f)(vii)

[^key-625e606608770cec046ab030b84afffe]: Sch. 4A para. 9A inserted (29.4.2019) by The Regulation and Inspection of Social Care (Wales) Act 2016 (Consequential Amendments) Regulations 2019 (S.I. 2019/772), regs. 1(2), 6

[^key-6266bc2597a456a7b3794d754a0efd87]: Words in Sch. 15 substituted (16.10.2015) by The Office of Rail Regulation (Change of Name) Regulations 2015 (S.I. 2015/1682), reg. 1(2), Sch. para. 4(i)

[^key-62b11555fb414edaa900e124a29b8a1a]: Words in s. 202(4)(c) inserted (1.4.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 114(4)(a); 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-6311fad5a1e870bd4fcc6deb8c763294]: Words in s. 63AB(1) inserted (6.3.2017) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 64(3); S.I. 2017/58, art. 2(c) (with art. 3(1))

[^key-632b4b5ecf0a01ad0743a720421ca0e6]: S. 106 applied (19.12.2017) by The Network Rail (Buxton Sidings Extension) Order 2017 (S.I. 2017/1150), arts. 1, 15(2) (with art. 32(2))

[^key-6339c76ee1d546af6387d8bedc67822b]: S. 24(1) excluded (5.9.2017) by The London Overground (Barking Riverside Extension) Order 2017 (S.I. 2017/830), arts. 1, 15(1) (with Sch. 8 para. 20)

[^key-6381f91f286036e86c15cca2884a49cc]: S. 61(1ZB)(1ZC) inserted (1.4.2017) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 60(3); S.I. 2017/462, art. 3(k)(vii)

[^key-639b3f1e253f901c168c918b66f1c42a]: S. 18 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), 9(6)

[^key-63a53ea1ac3e3256e34b5e4bbfcd03df]: Words in s. 17R(2)(a)(ii) substituted (1.4.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 25(4)(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-63aef62bdac1c7db456399d2f73183e1]: Words in s. 93A(3) substituted (1.4.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 80(1)(b); 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-63cea5ee088ee3421eb4f5da5168066e]: Word in s. 202(4)(c) substituted (1.4.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 114(4)(c); 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-63e12c1b17d9aa91477554874e3d3b3b]: Words in s. 17O(2) substituted (1.4.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 23(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-63f84c48152d082091dbad1b087866e0]: S. 105C(2)(aa) inserted (1.4.2017 for specified purposes) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 93; S.I. 2017/462, art. 3(k)(xii)

[^key-63fb4ce7fc0ab983d0c5b32c1ffac5f2]: Words in s. 69(6)(b) substituted (1.4.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 68(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-643e246a34d03be1797bf227d244aa69]: S. 205(4)(c) inserted (1.4.2017) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 115(c); S.I. 2017/462, art. 3(k)(xx)

[^key-6482c81622c68bb64995e0a4c3aa3ed6]: S. 17R title substituted (1.4.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 25(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-648a66f049518c51a68856bcad615aac]: S. 2(3)(ba) inserted (1.1.2015 for W. for specified purposes, 6.4.2015 for W. for specified purposes, 1.4.2016 for E. in so far as not already in force) by Water Act 2014 (c. 21), ss. 23, 94(3); S.I. 2014/3320, art. 2(1)(a) (with art. 3); S.I. 2015/773, art. 2(3)(a) (with art. 6); S.I. 2016/465, art. 2(e) (with Sch. 2) (as amended (22.3.2017) by S.I. 2017/462, art. 16)

[^key-64aa0d484dd2c69c3a01241f0a7572c8]: Words in s. 133(6) substituted (1.4.2013) by The Natural Resources Body for Wales (Functions) Order 2013 (S.I. 2013/755), art. 1(2), Sch. 2 para. 245(a) (with Sch. 7)

[^key-64c9923b2baf1713dfcc9bd506f65150]: S. 106 applied (6.11.2013) by The Transport for Greater Manchester (Light Rapid Transit System) (Second City Crossing) Order 2013 (S.I. 2013/2587), arts. 1, 20(2) (with arts. 20(7), 42, 43)

[^key-64cde016a729e64159ae200ec71f78ba]: Words in s. 154(2) substituted (1.4.2011) by Flood and Water Management Act 2010 (c. 29), s. 49(3), Sch. 5 para. 4(6) (with s. 49(1)(6), Sch. 5 para. 4(9)); S.I. 2011/694, art. 3(j)

[^key-64d458ee83c3445a87758745dc31332e]: Words in s. 38B(1) substituted (1.4.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 50(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-64dbbb90df5e214235a4d68f178438c1]: Words in s. 74(1)(c) substituted (1.4.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 71(3); 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-64f00b4010a0caad283ec1e7819ae5af]: S. 106 applied (13.11.2025) by The Stonestreet Green Solar Order 2025 (S.I. 2025/1175), arts. 1, 19(2) (with art. 40, Sch. 13)

[^key-65107271fbe87d97d6d05a93608808d7]: Words in s. 17F(8) repealed (1.1.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 15(5); S.I. 2015/1938, art. 3(f)(v)

[^key-65687e61c9c7d2506fbd82a665fb3b78]: Words in s. 93A(3) 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-65d4c2b9d3d54d1a8c49dfa837b5e4e4]: Word in s. 89 heading omitted (1.11.2022 for E.) by virtue of Health and Care Act 2022 (c. 31), ss. 175(5)(a), 186(6); S.I. 2022/1003, reg. 3(a)

[^key-65fa82d9d7082dfd78c988c5326b8ad0]: Words in s. 208(3) substituted (1.4.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 117(4)(a); 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-661d821df79a96042d8a1aeb0addba7f]: S. 2(6)(b) repealed (15.7.2015 for specified purposes, 1.9.2015 for specified purposes, 1.11.2015 for specified purposes, 18.12.2015 for specified purposes, 1.4.2016 for specified purposes, 1.9.2016 for specified purposes, 1.11.2016 for specified purposes, 1.4.2017 in so far as not already in force) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 3(8)(c); S.I. 2015/1469, arts. 2(f)(ii), 3(f)(ii), 4(c)(ii); S.I. 2015/1938, art. 2(g)(ii); S.I. 2016/465, arts. 2(m), 3(g)(ii), Sch. 1 para. 1(c)(iv) (with Sch. 2) (as amended (22.3.2017) by S.I. 2017/462, art. 16); S.I. 2016/1007, art. 2(h)(aa)(ii); S.I. 2017/462, art. 3(k)(ii)

[^key-662de531366ec496986b8b2aff80c801]: S. 153(1A) inserted (1.4.2011) by Flood and Water Management Act 2010 (c. 29), s. 49(3), Sch. 5 para. 4(3) (with s. 49(1)(6), Sch. 5 para. 4(9)); S.I. 2011/694, art. 3(j)

[^key-6669a5e76eec9b84a6ed10e22850592c]: Words in Sch. 15 Pt. 1 inserted (1.4.2014) by 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(a) (with Sch. 1 para. 28, Sch. 2 paras. 13-15)

[^key-668c9ab9074826ef8292d85182edf307]: S. 106 applied (7.12.2022) by The A417 Missing Link Development Consent Order 2022 (S.I. 2022/1248), arts. 1, 21(2) (with arts. 4, 21(6))

[^key-6739e55f0bb64381f84e91f453dc1bf6]: Words in s. 17F(7)(i) repealed (1.1.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 15(4)(d); S.I. 2015/1938, art. 3(f)(v)

[^key-673ad5793483820e4602b09e06027a65]: S. 106 applied (17.2.2025) by The Heckington Fen Solar Park Order 2025 (S.I. 2025/85), arts. 1, 14(2) (with art. 43, Sch. 13)

[^key-677fc9b1fdf69b363a5233956e123a3b]: Words in s. 2A(4)(d) substituted (1.4.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 4; S.I. 2016/465, art. 2(m), Sch. 1 para. 1(d) (with Sch. 2) (as amended (22.3.2017) by S.I. 2017/462, art. 16)

[^key-678e33dd80fafa5770df3b2b20446ca2]: Words in s. 47(1) substituted (1.4.2018 for specified purposes) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 56; S.I. 2017/462, art. 5(e)(ii) (with art. 14) (as amended by S.I. 2017/926, art. 2(3))

[^key-68653e7b07ed7741d28f48ad1758e386]: S. 105(2) repealed (1.10.2017 for specified purposes) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 92(a); S.I. 2017/462, art. 4(d)(ii) (as substituted by S.I. 2017/926, art. 2(2))

[^key-686f2be3ce4848d3fe21cd2ae00f60bb]: Sch. 9 para. 4 substituted (3.2.2017) by Housing and Planning Act 2016 (c. 22), s. 216(3), Sch. 17 paras. 6, 7; S.I. 2017/75, reg. 3(g) (with reg. 5)

[^key-68934b791c3cfc36a7cb184f276f1bcd]: Words in s. 174(3A)(a)(ii) substituted (1.4.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 108(5)(c)(i); 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-68d74cc46a6868d1a1a441d0343eaace]: Words in s. 93B(2) substituted (1.4.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 81(4); 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-6950db09d5bf15a35617d4743f4f85ff]: Words in s. 219(1) omitted (1.4.2014) by virtue of Enterprise and Regulatory Reform Act 2013 (c. 24), s. 103(3), Sch. 6 para. 68(b); S.I. 2014/416, art. 2(1)(d) (with Sch.)

[^key-69587cf57f8d155c08b5c6dca25cda8b]: Words in s. 154A(1)(b) substituted (1.4.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 103(2)(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-6979ff8db948accf60369278ec0d1856]: Words in s. 24(2)(d) substituted (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(4) (with s. 49(1)(6)); S.I. 2010/2169, art. 4; S.I. 2024/363, art. 2(b)

[^key-699ffe603bdad78c3ee594f9e4f5d742]: S. 95A(1)(aa) inserted (1.11.2016) by Water Act 2014 (c. 21), ss. 30(3)(b), 94(3); S.I. 2016/1007, art. 2(e)

[^key-69e44a8c24e7fc7688334fe6faaf63eb]: Words in s. 17H(8)(a) repealed (1.1.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 17(6)(a); S.I. 2015/1938, art. 3(f)(vii)

[^key-6a4972111aba528e5662030f8150d7b7]: Words in s. 14B(1) substituted (1.1.2025) by Digital Markets, Competition and Consumers Act 2024 (c. 13), s. 339(1), Sch. 30 para. 12(2)(b); S.I. 2024/1226, regs. 1(2), 2(1)(22)

[^key-6a52bd40a2392d153a3af04c2f1db6f5]: S. 91 heading substituted (1.11.2022 for E.) by Health and Care Act 2022 (c. 31), ss. 176(3)(a), 186(6); S.I. 2022/1003, reg. 3(b)

[^key-6a778375249f38bbca575c8e8a7d1193]: S. 16B(6A) 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. 76(3) (with art. 3, Sch. 2 para. 2)

[^key-6a90468408f4fae5368942f3c706378b]: Words in s. 69(4)(b) substituted (1.4.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 68(3); 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-6a91d07f7dcc7256b8af31071ef661ea]: Words in s. 213(1) inserted (26.12.2023) by Levelling-up and Regeneration Act 2023 (c. 55), ss. 168(2), 255(6) (with s. 247)

[^key-6ae8bf87bd6e19425d5c209f5fef259b]: Words in s. 17D(2) substituted (1.4.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 12(3); S.I. 2016/465, art. 2(m), Sch. 1 para. 1(g) (with Sch. 2) (as amended (22.3.2017) by S.I. 2017/462, art. 16)

[^key-6afac81d9e6f44e1aaeaee26536b2f49]: S. 18 applied (27.6.2016) by The Water Supply (Water Quality) Regulations 2016 (S.I. 2016/614), regs. 1(1), 38 (with reg. 1(2)(3))

[^key-6b14cf2bd1717f0bce7f96e16a85bdcf]: S. 106 applied (11.4.2024) by The HyNet Carbon Dioxide Pipeline Order 2024 (S.I. 2024/436), arts. 1(2), 20(2) (with arts. 21, 41, Sch. 10)

[^key-6baa35e98f6160e4ddd2170d4a1cf492]: Sch. 2 para. 1(3A)(b)(ii) and word inserted (1.4.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 122(2)(c); 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-6bbcab3def90d44d9dd1673b0ba61737]: S. 106 applied (8.8.2017) by The Wrexham Gas Fired Generating Station Order 2017 (S.I. 2017/766), arts. 1, 15(2)

[^key-6bd1166f5a0c152bd948979d17cc83bb]: Words in s. 17P(11) inserted (1.4.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 24(5)(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-6c0ed49878149c13f13c4b256cbe0c47]: Words in s. 213(2)(a) substituted (1.11.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 119(4); S.I. 2016/1007, art. 2(h)(v)

[^key-6c2182b981b1924de5a2bca73ae0a515]: Words in s. 66G(4)(c) 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(2) (with Sch. 7)

[^key-6c32e7b66d624101744de7ed64df4ef3]: Words in s. 69(6)(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-6c6fa6435d7f0afe990a6f6b4b1bd649]: S. 106 applied (30.6.2015) by The Swansea Bay Tidal Generating Station Order 2015 (S.I. 2015/1386), arts. 1, 13(2) (with arts. 51, 53)

[^key-6c9a6cfc277b9ad3c9a91e2324e8ee95]: S. 106 applied (1.6.2016) by The A14 Cambridge to Huntingdon Improvement Scheme Development Consent Order 2016 (S.I. 2016/547), arts. 1, 17(2) (with arts. 4, 5(3), 17(6))

[^key-6ccdaa9373233dd19ae07f4faed19585]: Words in s. 45(2) repealed (1.4.2018) by Water Act 2014 (c. 21), ss. 18(3)(a), 94(3); S.I. 2017/462, art. 5(a) (with art. 14)

[^key-6ce56d90116a0426acf8b0c031fd1ea2]: Words in s. 127 substituted (1.4.2013) by The Natural Resources Body for Wales (Functions) Order 2013 (S.I. 2013/755), art. 1(2), Sch. 2 para. 241(2) (with Sch. 7)

[^key-6d021b26a19aefec7286c25a6ec07680]: Words in s. 37A(6) inserted (14.7.2014) by Water Act 2014 (c. 21), ss. 28(2)(c), 94(2)(g)

[^key-6dadf1a990916b2e10617602f6cf35e0]: Sch. 11 applied (24.3.2010) by The South Downs National Park Authority (Establishment) Order 2010 (S.I. 2010/497), art. 1, Sch. 3 para. 4(1)

[^key-6db2ec6118aaa4ed58df229cf6001949]: Words in s. 158(7)(b)(ii) 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(8)

[^key-6dc881878339748599514e8fc5ad801d]: Words in s. 156(8) inserted (21.5.2016) by Environment (Wales) Act 2016 (anaw 3), s. 88(2)(a), Sch. 2 para. 5

[^key-6dd10c7cd38c1070f6c2b986d38406e7]: S. 31(10) inserted (1.1.2025 for specified purposes, 6.4.2025 for specified purposes) by Digital Markets, Competition and Consumers Act 2024 (c. 13), s. 339(1), Sch. 29 para. 12; S.I. 2024/1226, regs. 1(2), 2(1)(21); S.I. 2025/272, reg. 2(1)(13)

[^key-6ecded7261b32326bf09daf1af68839f]: S. 106 applied (4.8.2023) by The A303 (Amesbury to Berwick Down) Development Consent Order 2023 (S.I. 2023/834), arts. 1, 13(2) (with arts. 6(2), 13(6), 18, Sch. 11 paras. 5, 30)

[^key-6ed99dfdbc6f669941e69aadb313d3f8]: S. 99(7) repealed (1.4.2018 for specified purposes) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 87; S.I. 2017/462, art. 5(e)(iii) (with art. 14) (as amended by S.I. 2017/926, art. 2(3))

[^key-6ee7c9f5122404aded7f4999ea433b43]: Words in s. 195(3) inserted (14.7.2014) by Water Act 2014 (c. 21), ss. 33(3)(a), 94(2)(h)

[^key-6ef74b4d9e4df3630e010c615022b4e5]: S. 99(4) 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-6f0bf9cd38e49c5feb21d9458a7f94e4]: Pt. 3: functions etc. assigned to the Port Health Authority and modified (31.3.2017) by The Weymouth Port Health Authority Order 2017 (S.I. 2017/558), arts. 1(1), 9, Sch. 2 (with art. 9(3))

[^key-6f23555c79a8d152abf5706a8ddd6a87]: S. 89(5) omitted (1.4.2013 for E.) by virtue of Health and Social Care Act 2012 (c. 7), ss. 35(13)(f), 306(2)(3); S.I. 2013/160, art. 2(2) (with arts. 7-9)

[^key-6fa3edf2dae39135e643055ab12b3791]: Words in Sch. 2 para. 2(7A)(b) substituted (1.4.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 122(3); 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-6fb1de2eb359c077e5200706cd25aa83]: Words in s. 16B(9) inserted (1.1.2025) by Digital Markets, Competition and Consumers Act 2024 (c. 13), s. 339(1), Sch. 30 para. 13(3)(b); S.I. 2024/1226, regs. 1(2), 2(1)(22)

[^key-6fd0dd501efaf282adfd364d3a084325]: Words in s. 101A(11)(b) inserted (1.11.2015) by Water Act 2014 (c. 21), ss. 41(6)(b), 94(3); S.I. 2015/1786, art. 2 (with art. 3)

[^key-6fdcde1ea6bba7002b62f7c81e7497b2]: Words in s. 31(7) substituted (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. 84(9)(a)(ii) (with art. 3)

[^key-703cf74d44f5af29d34b1aa0da9a0d55]: Words in s. 6(5A) substituted (1.4.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 6; S.I. 2016/465, art. 2(m), Sch. 1 para. 1(d) (with Sch. 2) (as amended (22.3.2017) by S.I. 2017/462, art. 16)

[^key-709b9f692258c8915f9871f3f0e6d31d]: Words in s. 27C(1)(e) substituted (1.4.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 41(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-709c1689ce42d0239bc45c313d660da2]: 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), 28(5)

[^key-70b5c241357b9c057fc6dac36e3fe4e7]: Words in s. 25(1) substituted (24.4.2025) by Water (Special Measures) Act 2025 (c. 5), ss. 16(b), 17(5)(e)

[^key-71057c250dcffb1cc0b62820ce1cc38d]: Words in s. 208(2) substituted (1.4.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 117(3)(b); 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-715e0bac4a8fadd0520067b94ef242d2]: Word in s. 158(7)(b)(i) omitted (14.7.2014) by virtue of Water Act 2014 (c. 21), ss. 21(2)(a), 94(2)(d)

[^key-7174b1f2dfb41db154c7cb721600dd89]: S. 106 applied (27.11.2025) by The Cory Decarbonisation Project Order 2025 (S.I. 2025/1227), arts. 1, 21(2) (with Sch. 12)

[^key-719df9bb5e1d48cf071cbaaadc8f6b9a]: S. 106 applied (23.10.2014) by The South Hook Combined Heat and Power Plant Order 2014 (S.I. 2014/2846), arts. 1, 10(2)

[^key-71a69e01c21ace5a6e78bde2cddcd871]: Words in s. 27C(2) substituted (1.4.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 41(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-71af2e72437c825e31640409f66611a8]: S. 3(4)(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. 224(3) (with Sch. 7)

[^key-71b39bfbf8f03f0d5121c6de3e53dc15]: Words in s. 66H(10) substituted (1.4.2017) by Water Act 2014 (c. 21), s. 94(3), Sch. 2 para. 8(4)(a); S.I. 2017/462, art. 3(i)(v)

[^key-71e97981ba876a7223f5709c9bcbc237]: S. 106 applied (3.8.2024) by The Mallard Pass Solar Farm Order 2024 (S.I. 2024/796), arts. 1, 16(2) (with Sch. 15)

[^key-7203db554c5f15548f33da94f4c3d197]: Words in s. 195(2)(g) substituted (1.4.2017) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 111(2)(b); S.I. 2017/462, art. 3(k)(xviii)

[^key-7208234710ea98ded3c2163fdc5ff6ea]: Words in s. 87(3)(b) substituted (1.4.2016) by Water Act 2014 (c. 21), s. 94(3), Sch. 7 para. 76; 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-724c74fdb2a9899b070bf6f565c36b48]: Words in s. 17(2)(b) 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. 77 (with art. 3)