| The Water Supply (Water Quality) Regulations 2001 | 2001 No. 3911 | Pt. 5A | inserted | The Water Supply (Water Quality) Regulations 2001 (Amendment) Regulations 2007 | 2007 No. 3374 | reg. 2(10) | Not yet made to Welsh language versionApplied to English language version | |
| The Water Supply (Water Quality) Regulations 2001 | 2001 No. 3911 | reg. 1(2) | words substituted | The Water Supply (Water Quality) Regulations 2001 (Amendment) Regulations 2007 | 2007 No. 3374 | reg. 2(2)(a) | Not yet made to Welsh language versionApplied to English language version | |
| The Water Supply (Water Quality) Regulations 2001 | 2001 No. 3911 | reg. 1(6)(7) | substituted | The Water Act 2003 (Consequential and Supplementary Provisions) Regulations 2005 | 2005 No. 2035 | reg. 11(2) | Not yet made to Welsh language versionApplied to English language version | |
| The Water Supply (Water Quality) Regulations 2001 | 2001 No. 3911 | reg. 1(6)(7) | substituted | The Water Supply (Water Quality) Regulations 2001 (Amendment) Regulations 2007 | 2007 No. 3374 | reg. 2(2)(b) | Not yet made to Welsh language versionApplied to English language version | |
| The Water Supply (Water Quality) Regulations 2001 | 2001 No. 3911 | reg. 2 | words inserted | The Water Act 2003 (Consequential and Supplementary Provisions) Regulations 2005 | 2005 No. 2035 | reg. 11(3)(a)(b) | Not yet made to Welsh language versionApplied to English language version | |
| The Water Supply (Water Quality) Regulations 2001 | 2001 No. 3911 | reg. 2 | words substituted | The Water Act 2003 (Consequential and Supplementary Provisions) Regulations 2005 | 2005 No. 2035 | reg. 11(3)(c) | Not yet made to Welsh language versionApplied to English language version | |
| The Water Supply (Water Quality) Regulations 2001 | 2001 No. 3911 | reg. 2 | words omitted | The National Health Service (Restructuring of National Health Service Bodies: Consequential Amendments) (Wales) Order 2009 | 2009 No. 1824 | Sch. 1 para. 4(3)(a) | Not yet made to Welsh language versionApplied to English language version | |
| The Water Supply (Water Quality) Regulations 2001 | 2001 No. 3911 | reg. 2 | words inserted | The National Health Service (Restructuring of National Health Service Bodies: Consequential Amendments) (Wales) Order 2009 | 2009 No. 1824 | Sch. 1 para. 4(3)(b) | Not yet made to Welsh language versionApplied to English language version | |
| The Water Supply (Water Quality) Regulations 2001 | 2001 No. 3911 | reg. 2(1) | words omitted | The Water Act 2003 (Consequential and Supplementary Provisions) Regulations 2005 | 2005 No. 2035 | reg. 4(2) | Not yet made to Welsh language versionApplied to English language version | |
| The Water Supply (Water Quality) Regulations 2001 | 2001 No. 3911 | reg. 2(1) | words substituted | The Water Supply (Water Quality) Regulations 2001 (Amendment) Regulations 2007 | 2007 No. 3374 | reg. 2(3)(a) | Not yet made to Welsh language versionApplied to English language version | |
| The Water Supply (Water Quality) Regulations 2001 | 2001 No. 3911 | reg. 2(1) | words substituted | The Water Supply (Water Quality) Regulations 2001 (Amendment) Regulations 2007 | 2007 No. 3374 | reg. 2(3)(b) | Not yet made to Welsh language versionApplied to English language version | |
| The Water Supply (Water Quality) Regulations 2001 | 2001 No. 3911 | reg. 2(1) | words inserted | The Water Supply (Water Quality) Regulations 2001 (Amendment) Regulations 2007 | 2007 No. 3374 | reg. 2(3)(c) | Not yet made to Welsh language versionApplied to English language version | |
| The Water Supply (Water Quality) Regulations 2001 | 2001 No. 3911 | reg. 3(2A) | inserted | The Water Supply (Water Quality) Regulations 2001 (Amendment) Regulations 2007 | 2007 No. 3374 | reg. 2(4) | Not yet made to Welsh language versionApplied to English language version | |
| The Water Supply (Water Quality) Regulations 2001 | 2001 No. 3911 | reg. 4(3)(aa) | inserted | The Water Supply (Water Quality) Regulations 2001 (Amendment) Regulations 2007 | 2007 No. 3374 | reg. 2(5) | Not yet made to Welsh language versionApplied to English language version | |
| The Water Supply (Water Quality) Regulations 2001 | 2001 No. 3911 | reg. 5(3)(4) | substituted for (3) | The Water Act 2003 (Consequential and Supplementary Provisions) Regulations 2005 | 2005 No. 2035 | reg. 11(4) | Not yet made to Welsh language versionApplied to English language version | |
| The Water Supply (Water Quality) Regulations 2001 | 2001 No. 3911 | reg. 6(1) | words substituted | The Water Act 2003 (Consequential and Supplementary Provisions) Regulations 2005 | 2005 No. 2035 | reg. 11(5)(a) | Not yet made to Welsh language versionApplied to English language version | |
| The Water Supply (Water Quality) Regulations 2001 | 2001 No. 3911 | reg. 6(9) | words inserted | The Water Act 2003 (Consequential and Supplementary Provisions) Regulations 2005 | 2005 No. 2035 | reg. 11(5)(b) | Not yet made to Welsh language versionApplied to English language version | |
| The Water Supply (Water Quality) Regulations 2001 | 2001 No. 3911 | reg. 8(1) | words substituted | The Water Supply (Water Quality) Regulations 2001 (Amendment) Regulations 2007 | 2007 No. 3374 | reg. 2(6)(a)(i) | Not yet made to Welsh language versionApplied to English language version | |
| The Water Supply (Water Quality) Regulations 2001 | 2001 No. 3911 | reg. 8(1) | words substituted | The Water Supply (Water Quality) Regulations 2001 (Amendment) Regulations 2007 | 2007 No. 3374 | reg. 2(6)(a)(ii) | Not yet made to Welsh language versionApplied to English language version | |
| The Water Supply (Water Quality) Regulations 2001 | 2001 No. 3911 | reg. 8(1A) | inserted | The Water Supply (Water Quality) Regulations 2001 (Amendment) Regulations 2007 | 2007 No. 3374 | reg. 2(6)(b) | Not yet made to Welsh language versionApplied to English language version | |
| The Water Supply (Water Quality) Regulations 2001 | 2001 No. 3911 | reg. 8(2) | words inserted | The Water Act 2003 (Consequential and Supplementary Provisions) Regulations 2005 | 2005 No. 2035 | reg. 11(6) | Not yet made to Welsh language versionApplied to English language version | |
| The Water Supply (Water Quality) Regulations 2001 | 2001 No. 3911 | reg. 8(2) | words substituted | The Water Supply (Water Quality) Regulations 2001 (Amendment) Regulations 2007 | 2007 No. 3374 | reg. 2(6)(c) | Not yet made to Welsh language versionApplied to English language version | |
| The Water Supply (Water Quality) Regulations 2001 | 2001 No. 3911 | reg. 9(2)(a) | words omitted | The Water Act 2003 (Consequential and Supplementary Provisions) Regulations 2005 | 2005 No. 2035 | reg. 11(7) | Not yet made to Welsh language versionApplied to English language version | |
| The Water Supply (Water Quality) Regulations 2001 | 2001 No. 3911 | reg. 9(2)(a) | words inserted | The Water Act 2003 (Consequential and Supplementary Provisions) Regulations 2005 | 2005 No. 2035 | reg. 11(7) | Not yet made to Welsh language versionApplied to English language version | |
| The Water Supply (Water Quality) Regulations 2001 | 2001 No. 3911 | reg. 9(3) | omitted | The Water Supply (Water Quality) Regulations 2001 (Amendment) Regulations 2007 | 2007 No. 3374 | reg. 2(7) | Not yet made to Welsh language versionApplied to English language version | |
| The Water Supply (Water Quality) Regulations 2001 | 2001 No. 3911 | reg. 10 | words substituted | The Water Act 2003 (Consequential and Supplementary Provisions) Regulations 2005 | 2005 No. 2035 | reg. 11(8)(a) | Not yet made to Welsh language versionApplied to English language version | |
| The Water Supply (Water Quality) Regulations 2001 | 2001 No. 3911 | reg. 10 | words substituted | The Water Act 2003 (Consequential and Supplementary Provisions) Regulations 2005 | 2005 No. 2035 | reg. 11(8)(b) | Not yet made to Welsh language versionApplied to English language version | |
| The Water Supply (Water Quality) Regulations 2001 | 2001 No. 3911 | reg. 12(1) | reg. 12 becomes reg. 12(1) | The Water Act 2003 (Consequential and Supplementary Provisions) Regulations 2005 | 2005 No. 2035 | reg. 11(9) | Not yet made to Welsh language versionApplied to English language version | |
| The Water Supply (Water Quality) Regulations 2001 | 2001 No. 3911 | reg. 12(2) | words substituted | The Water Act 2003 (Consequential and Supplementary Provisions) Regulations 2005 | 2005 No. 2035 | reg. 11(9) | Not yet made to Welsh language versionApplied to English language version | |
| The Water Supply (Water Quality) Regulations 2001 | 2001 No. 3911 | reg. 13(1) | words substituted | The Water Act 2003 (Consequential and Supplementary Provisions) Regulations 2005 | 2005 No. 2035 | reg. 11(11) | Not yet made to Welsh language versionApplied to English language version | |
| The Water Supply (Water Quality) Regulations 2001 | 2001 No. 3911 | reg. 13(3) | omitted | The Water Supply (Water Quality) Regulations 2001 (Amendment) Regulations 2007 | 2007 No. 3374 | reg. 2(8) | Not yet made to Welsh language versionApplied to English language version | |
| The Water Supply (Water Quality) Regulations 2001 | 2001 No. 3911 | reg. 15(1) | words inserted | The Water Act 2003 (Consequential and Supplementary Provisions) Regulations 2005 | 2005 No. 2035 | reg. 11(12)(a) | Not yet made to Welsh language versionApplied to English language version | |
| The Water Supply (Water Quality) Regulations 2001 | 2001 No. 3911 | reg. 15(2) | words substituted | The Water Act 2003 (Consequential and Supplementary Provisions) Regulations 2005 | 2005 No. 2035 | reg. 11(12)(b) | Not yet made to Welsh language versionApplied to English language version | |
| The Water Supply (Water Quality) Regulations 2001 | 2001 No. 3911 | reg. 15(3)(a)(ii) | words inserted | The Water Act 2003 (Consequential and Supplementary Provisions) Regulations 2005 | 2005 No. 2035 | reg. 11(12)(c) | Not yet made to Welsh language versionApplied to English language version | |
| The Water Supply (Water Quality) Regulations 2001 | 2001 No. 3911 | reg. 15(3)(b)(iii) | words inserted | The Water Act 2003 (Consequential and Supplementary Provisions) Regulations 2005 | 2005 No. 2035 | reg. 11(12)(c) | Not yet made to Welsh language versionApplied to English language version | |
| The Water Supply (Water Quality) Regulations 2001 | 2001 No. 3911 | reg. 15(4)-(6) | added | The Water Supply (Water Quality) Regulations 2001 (Amendment) Regulations 2007 | 2007 No. 3374 | reg. 2(9) | Not yet made to Welsh language versionApplied to English language version | |
| The Water Supply (Water Quality) Regulations 2001 | 2001 No. 3911 | reg. 16(1) | words substituted | The Water Act 2003 (Consequential and Supplementary Provisions) Regulations 2005 | 2005 No. 2035 | reg. 11(13)(a) | Not yet made to Welsh language versionApplied to English language version | |
| The Water Supply (Water Quality) Regulations 2001 | 2001 No. 3911 | reg. 16(2)(e)(i) | words substituted | The Water Act 2003 (Consequential and Supplementary Provisions) Regulations 2005 | 2005 No. 2035 | reg. 11(13)(b) | Not yet made to Welsh language versionApplied to English language version | |
| The Water Supply (Water Quality) Regulations 2001 | 2001 No. 3911 | reg. 16(4) | words substituted | The Water Act 2003 (Consequential and Supplementary Provisions) Regulations 2005 | 2005 No. 2035 | reg. 11(13)(c) | Not yet made to Welsh language versionApplied to English language version | |
| The Water Supply (Water Quality) Regulations 2001 | 2001 No. 3911 | reg. 16(11) | words inserted | The Water Act 2003 (Consequential and Supplementary Provisions) Regulations 2005 | 2005 No. 2035 | reg. 11(13)(d) | Not yet made to Welsh language versionApplied to English language version | |
| The Water Supply (Water Quality) Regulations 2001 | 2001 No. 3911 | reg. 17(1) | words substituted | The Water Act 2003 (Consequential and Supplementary Provisions) Regulations 2005 | 2005 No. 2035 | reg. 11(14)(a)(i) | Not yet made to Welsh language versionApplied to English language version | |
| The Water Supply (Water Quality) Regulations 2001 | 2001 No. 3911 | reg. 17(1) | words inserted | The Water Act 2003 (Consequential and Supplementary Provisions) Regulations 2005 | 2005 No. 2035 | reg. 11(14)(a)(ii) | Not yet made to Welsh language versionApplied to English language version | |
| The Water Supply (Water Quality) Regulations 2001 | 2001 No. 3911 | reg. 17(1A) | inserted | The Water Act 2003 (Consequential and Supplementary Provisions) Regulations 2005 | 2005 No. 2035 | reg. 11(14)(b) | Not yet made to Welsh language versionApplied to English language version | |
| The Water Supply (Water Quality) Regulations 2001 | 2001 No. 3911 | reg. 17(3)(b) | words substituted | The Water Act 2003 (Consequential and Supplementary Provisions) Regulations 2005 | 2005 No. 2035 | reg. 11(14)(c) | Not yet made to Welsh language versionApplied to English language version | |
| The Water Supply (Water Quality) Regulations 2001 | 2001 No. 3911 | reg. 17(5) | substituted | The Water Act 2003 (Consequential and Supplementary Provisions) Regulations 2005 | 2005 No. 2035 | reg. 11(14)(d) | Not yet made to Welsh language versionApplied to English language version | |
| The Water Supply (Water Quality) Regulations 2001 | 2001 No. 3911 | reg. 17(6)(6A) | substituted for (6) | The Water Act 2003 (Consequential and Supplementary Provisions) Regulations 2005 | 2005 No. 2035 | reg. 11(14)(e) | Not yet made to Welsh language versionApplied to English language version | |
| The Water Supply (Water Quality) Regulations 2001 | 2001 No. 3911 | reg. 17(7)(8) | words inserted | The Water Act 2003 (Consequential and Supplementary Provisions) Regulations 2005 | 2005 No. 2035 | reg. 11(14)(f) | Not yet made to Welsh language versionApplied to English language version | |
| The Water Supply (Water Quality) Regulations 2001 | 2001 No. 3911 | reg. 17(7) | words substituted | The Water Supply (Water Quality) Regulations 2001 (Amendment) Regulations 2007 | 2007 No. 3374 | reg. 2(11) | Not yet made to Welsh language versionApplied to English language version | |
| The Water Supply (Water Quality) Regulations 2001 | 2001 No. 3911 | reg. 17(9) | words substituted | The Water Act 2003 (Consequential and Supplementary Provisions) Regulations 2005 | 2005 No. 2035 | reg. 11(14)(g) | Not yet made to Welsh language versionApplied to English language version | |
| The Water Supply (Water Quality) Regulations 2001 | 2001 No. 3911 | reg. 18(1) | words substituted | The Water Act 2003 (Consequential and Supplementary Provisions) Regulations 2005 | 2005 No. 2035 | reg. 11(15)(a) | Not yet made to Welsh language versionApplied to English language version | |