| Reservoirs Act 1975 | 1975 c. 23 | specified amended provision(s) | Commencement Order | The Water Act 2003 (Commencement No. 2, Transitional Provisions and Savings) Order 2004 | 2004 No. 2528 | art. 2-3 | Yes |   commencement order for 2003 c. 37 |
| Town and Country Planning Act 1990 | 1990 c. 8 | specified amended provision(s) | Commencement Order | The Water Act 2003 (Commencement No. 2, Transitional Provisions and Savings) Order 2004 | 2004 No. 2528 | art. 2-3 | Yes |   commencement order for 2003 c. 37 |
| Environmental Protection Act 1990 | 1990 c. 43 | specified amended provision(s) | Commencement Order | The Water Act 2003 (Commencement No. 2, Transitional Provisions and Savings) Order 2004 | 2004 No. 2528 | art. 2-3 | Yes |   commencement order for 2003 c. 37 |
| Water Industry Act 1991 | 1991 c. 56 | specified amended provision(s) | Commencement Order | The Water Act 2003 (Commencement No. 2, Transitional Provisions and Savings) Order 2004 | 2004 No. 2528 | art. 2-3 | Yes |   commencement order for 2003 c. 37 |
| Water Resources Act 1991 | 1991 c. 57 | specified amended provision(s) | Commencement Order | The Water Act 2003 (Commencement No. 2, Transitional Provisions and Savings) Order 2004 | 2004 No. 2528 | art. 2-3 | Yes |   commencement order for 2003 c. 37 |
| Environment Act 1995 | 1995 c. 25 | specified amended provision(s) | Commencement Order | The Water Act 2003 (Commencement No. 2, Transitional Provisions and Savings) Order 2004 | 2004 No. 2528 | art. 2-3 | Yes |   commencement order for 2003 c. 37 |
| Competition Act 1998 | 1998 c. 41 | specified amended provision(s) | Commencement Order | The Water Act 2003 (Commencement No. 2, Transitional Provisions and Savings) Order 2004 | 2004 No. 2528 | art. 2-3 | Yes |   commencement order for 2003 c. 37 |
| Enterprise Act 2002 | 2002 c. 40 | specified amended provision(s) | Commencement Order | The Water Act 2003 (Commencement No. 2, Transitional Provisions and Savings) Order 2004 | 2004 No. 2528 | art. 2-3 | Yes |   commencement order for 2003 c. 37 |
| Water Act 2003 | 2003 c. 37 | s. 26 | coming into force | The Water Act 2003 (Commencement No. 2, Transitional Provisions and Savings) Order 2004 | 2004 No. 2528 | art. 2(a) | Yes | |
| Water Act 2003 | 2003 c. 37 | s. 28 | coming into force | The Water Act 2003 (Commencement No. 2, Transitional Provisions and Savings) Order 2004 | 2004 No. 2528 | art. 2(b) | Yes | |
| Water Act 2003 | 2003 c. 37 | s. 29 | coming into force | The Water Act 2003 (Commencement No. 2, Transitional Provisions and Savings) Order 2004 | 2004 No. 2528 | art. 2(b) | Yes | |
| Water Act 2003 | 2003 c. 37 | s. 31 | coming into force | The Water Act 2003 (Commencement No. 2, Transitional Provisions and Savings) Order 2004 | 2004 No. 2528 | art. 2(c) | Yes | |
| Water Act 2003 | 2003 c. 37 | s. 38(1) | coming into force | The Water Act 2003 (Commencement No. 2, Transitional Provisions and Savings) Order 2004 | 2004 No. 2528 | art. 2(d) | Yes | |
| Water Act 2003 | 2003 c. 37 | s. 38(2) | coming into force | The Water Act 2003 (Commencement No. 2, Transitional Provisions and Savings) Order 2004 | 2004 No. 2528 | art. 2(d) | Yes | |
| Water Act 2003 | 2003 c. 37 | s. 48(1) | coming into force | The Water Act 2003 (Commencement No. 2, Transitional Provisions and Savings) Order 2004 | 2004 No. 2528 | art. 2(e) | Yes | |
| Water Act 2003 | 2003 c. 37 | s. 49 | coming into force | The Water Act 2003 (Commencement No. 2, Transitional Provisions and Savings) Order 2004 | 2004 No. 2528 | art. 2(f) | Yes | |
| Water Act 2003 | 2003 c. 37 | s. 50 | coming into force | The Water Act 2003 (Commencement No. 2, Transitional Provisions and Savings) Order 2004 | 2004 No. 2528 | art. 2(g) | Yes | |
| Water Act 2003 | 2003 c. 37 | s. 54 | coming into force | The Water Act 2003 (Commencement No. 2, Transitional Provisions and Savings) Order 2004 | 2004 No. 2528 | art. 2(h) | Yes | |
| Water Act 2003 | 2003 c. 37 | s. 55 | coming into force | The Water Act 2003 (Commencement No. 2, Transitional Provisions and Savings) Order 2004 | 2004 No. 2528 | art. 2(h) | Yes | |
| Water Act 2003 | 2003 c. 37 | s. 59 | coming into force | The Water Act 2003 (Commencement No. 2, Transitional Provisions and Savings) Order 2004 | 2004 No. 2528 | art. 2(i) | Yes | |
| Water Act 2003 | 2003 c. 37 | s. 62 | coming into force | The Water Act 2003 (Commencement No. 2, Transitional Provisions and Savings) Order 2004 | 2004 No. 2528 | art. 2(j) | Yes | |
| Water Act 2003 | 2003 c. 37 | s. 63 | coming into force | The Water Act 2003 (Commencement No. 2, Transitional Provisions and Savings) Order 2004 | 2004 No. 2528 | art. 2(j) | Yes | |
| Water Act 2003 | 2003 c. 37 | s. 74 | coming into force | The Water Act 2003 (Commencement No. 2, Transitional Provisions and Savings) Order 2004 | 2004 No. 2528 | art. 2(k) | Yes | |
| Water Act 2003 | 2003 c. 37 | s. 76 | coming into force | The Water Act 2003 (Commencement No. 2, Transitional Provisions and Savings) Order 2004 | 2004 No. 2528 | art. 2(l) | Yes | |
| Water Act 2003 | 2003 c. 37 | s. 77 | coming into force | The Water Act 2003 (Commencement No. 2, Transitional Provisions and Savings) Order 2004 | 2004 No. 2528 | art. 2(m) | Yes | |
| Water Act 2003 | 2003 c. 37 | s. 78 | coming into force | The Water Act 2003 (Commencement No. 2, Transitional Provisions and Savings) Order 2004 | 2004 No. 2528 | art. 2(n) | Yes | |
| Water Act 2003 | 2003 c. 37 | s. 79 | coming into force | The Water Act 2003 (Commencement No. 2, Transitional Provisions and Savings) Order 2004 | 2004 No. 2528 | art. 2(o) | Yes | |
| Water Act 2003 | 2003 c. 37 | s. 80 | coming into force | The Water Act 2003 (Commencement No. 2, Transitional Provisions and Savings) Order 2004 | 2004 No. 2528 | art. 2(p) | Yes | |
| Water Act 2003 | 2003 c. 37 | s. 86(1) | coming into force | The Water Act 2003 (Commencement No. 2, Transitional Provisions and Savings) Order 2004 | 2004 No. 2528 | art. 2(q)(ii) | Yes | |
| Water Act 2003 | 2003 c. 37 | s. 86(2)(f) | coming into force | The Water Act 2003 (Commencement No. 2, Transitional Provisions and Savings) Order 2004 | 2004 No. 2528 | art. 2(q)(i) | Yes | |
| Water Act 2003 | 2003 c. 37 | s. 87 | coming into force | The Water Act 2003 (Commencement No. 2, Transitional Provisions and Savings) Order 2004 | 2004 No. 2528 | art. 2(r) | Yes | |
| Water Act 2003 | 2003 c. 37 | s. 100(1) | coming into force | The Water Act 2003 (Commencement No. 2, Transitional Provisions and Savings) Order 2004 | 2004 No. 2528 | art. 2(s)(i) | Yes | |
| Water Act 2003 | 2003 c. 37 | s. 100(2)(a)(ii)(vi)(ix)s. 100(2)(b)(ii)(iv)(x)(d)(g) | coming into force | The Water Act 2003 (Commencement No. 2, Transitional Provisions and Savings) Order 2004 | 2004 No. 2528 | art. 2(s)(ii) | Yes | |
| Water Act 2003 | 2003 c. 37 | s. 100(3) | coming into force | The Water Act 2003 (Commencement No. 2, Transitional Provisions and Savings) Order 2004 | 2004 No. 2528 | art. 2(s)(iii) | Yes | |
| Water Act 2003 | 2003 c. 37 | s. 100(4)(a) | coming into force | The Water Act 2003 (Commencement No. 2, Transitional Provisions and Savings) Order 2004 | 2004 No. 2528 | art. 2(s)(iv) | Yes | |
| Water Act 2003 | 2003 c. 37 | s. 100(6) | coming into force | The Water Act 2003 (Commencement No. 2, Transitional Provisions and Savings) Order 2004 | 2004 No. 2528 | art. 2(s)(v) | Yes | |
| Water Act 2003 | 2003 c. 37 | s. 100(7) | coming into force | The Water Act 2003 (Commencement No. 2, Transitional Provisions and Savings) Order 2004 | 2004 No. 2528 | art. 2(s)(vi) | Yes | |
| Water Act 2003 | 2003 c. 37 | s. 101(1) | coming into force | The Water Act 2003 (Commencement No. 2, Transitional Provisions and Savings) Order 2004 | 2004 No. 2528 | art. 2(t) | Yes | |
| Water Act 2003 | 2003 c. 37 | s. 101(1) | coming into force | The Water Act 2003 (Commencement No. 2, Transitional Provisions and Savings) Order 2004 | 2004 No. 2528 | art. 3 | Yes | |
| Water Act 2003 | 2003 c. 37 | s. 101(2) | coming into force | The Water Act 2003 (Commencement No. 2, Transitional Provisions and Savings) Order 2004 | 2004 No. 2528 | art. 2(u) | Yes | |
| Water Act 2003 | 2003 c. 37 | Sch. 7 para. 1 | coming into force | The Water Act 2003 (Commencement No. 2, Transitional Provisions and Savings) Order 2004 | 2004 No. 2528 | art. 2(t)(i) | Yes | |
| Water Act 2003 | 2003 c. 37 | Sch. 7 para. 2 | coming into force | The Water Act 2003 (Commencement No. 2, Transitional Provisions and Savings) Order 2004 | 2004 No. 2528 | art. 2(t)(i) | Yes | |
| Water Act 2003 | 2003 c. 37 | Sch. 7 para. 32(1) | coming into force | The Water Act 2003 (Commencement No. 2, Transitional Provisions and Savings) Order 2004 | 2004 No. 2528 | art. 2(t)(ii) | Yes | |
| Water Act 2003 | 2003 c. 37 | Sch. 7 para. 32(4)(b) | coming into force | The Water Act 2003 (Commencement No. 2, Transitional Provisions and Savings) Order 2004 | 2004 No. 2528 | art. 2(t)(ii) | Yes | |
| Water Act 2003 | 2003 c. 37 | Sch. 7 para. 38 | coming into force | The Water Act 2003 (Commencement No. 2, Transitional Provisions and Savings) Order 2004 | 2004 No. 2528 | art. 2(t)(iii) | Yes | |
| Water Act 2003 | 2003 c. 37 | Sch. 7 para. 27(2) | coming into force | The Water Act 2003 (Commencement No. 2, Transitional Provisions and Savings) Order 2004 | 2004 No. 2528 | art. 3 | Yes | |
| Water Act 2003 | 2003 c. 37 | Sch. 8 para. 20 | coming into force | The Water Act 2003 (Commencement No. 2, Transitional Provisions and Savings) Order 2004 | 2004 No. 2528 | art. 2(t)(iv) | Yes | |
| Water Act 2003 | 2003 c. 37 | Sch. 8 para. 2 | coming into force | The Water Act 2003 (Commencement No. 2, Transitional Provisions and Savings) Order 2004 | 2004 No. 2528 | art. 2(t)(iv)(v) | Yes | |
| Water Act 2003 | 2003 c. 37 | Sch. 8 para. 50(3) | coming into force | The Water Act 2003 (Commencement No. 2, Transitional Provisions and Savings) Order 2004 | 2004 No. 2528 | art. 2(t)(v) | Yes | |
| Water Act 2003 | 2003 c. 37 | Sch. 9 Pt. 2 | coming into force | The Water Act 2003 (Commencement No. 2, Transitional Provisions and Savings) Order 2004 | 2004 No. 2528 | art. 2(u) | Yes | |