| 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 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(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. 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 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(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. 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(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. 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. 20(4)(b) | substituted | The Water Supply (Water Quality) Regulations 2001 (Amendment) Regulations 2007 | 2007 No. 3374 | reg. 2(12)(a) | Not yet made to Welsh language versionApplied to English language version | |
| The Water Supply (Water Quality) Regulations 2001 | 2001 No. 3911 | reg. 20(4)(ba) | inserted | The Water Supply (Water Quality) Regulations 2001 (Amendment) Regulations 2007 | 2007 No. 3374 | reg. 2(12)(b) | Not yet made to Welsh language versionApplied to English language version | |
| The Water Supply (Water Quality) Regulations 2001 | 2001 No. 3911 | reg. 23(1) | substituted | The Water Supply (Water Quality) Regulations 2001 (Amendment) Regulations 2007 | 2007 No. 3374 | reg. 2(13) | Not yet made to Welsh language versionApplied to English language version | |
| The Water Supply (Water Quality) Regulations 2001 | 2001 No. 3911 | reg. 24(2)(b) | words substituted | The Water Supply (Water Quality) Regulations 2001 (Amendment) Regulations 2007 | 2007 No. 3374 | reg. 2(14)(a) | Not yet made to Welsh language versionApplied to English language version | |
| The Water Supply (Water Quality) Regulations 2001 | 2001 No. 3911 | reg. 24(2)(c) | words substituted | The Water Supply (Water Quality) Regulations 2001 (Amendment) Regulations 2007 | 2007 No. 3374 | reg. 2(14)(b) | Not yet made to Welsh language versionApplied to English language version | |
| The Water Supply (Water Quality) Regulations 2001 | 2001 No. 3911 | reg. 24(2)(ca) | inserted | The Water Supply (Water Quality) Regulations 2001 (Amendment) Regulations 2007 | 2007 No. 3374 | reg. 2(14)(c) | Not yet made to Welsh language versionApplied to English language version | |
| The Water Supply (Water Quality) Regulations 2001 | 2001 No. 3911 | reg. 25 | omitted | The Water Supply (Water Quality) Regulations 2001 (Amendment) Regulations 2007 | 2007 No. 3374 | reg. 2(15) | Not yet made to Welsh language versionApplied to English language version | |
| The Water Supply (Water Quality) Regulations 2001 | 2001 No. 3911 | reg. 26 | substituted | The Water Supply (Water Quality) Regulations 2001 (Amendment) Regulations 2007 | 2007 No. 3374 | reg. 2(16) | Not yet made to Welsh language versionApplied to English language version | |
| The Water Supply (Water Quality) Regulations 2001 | 2001 No. 3911 | reg. 27 | substituted | The Water Supply (Water Quality) Regulations 2001 (Amendment) Regulations 2007 | 2007 No. 3374 | reg. 2(17) | Not yet made to Welsh language versionApplied to English language version | |
| The Water Supply (Water Quality) Regulations 2001 | 2001 No. 3911 | reg. 28 | substituted | The Water Supply (Water Quality) Regulations 2001 (Amendment) Regulations 2007 | 2007 No. 3374 | reg. 2(18) | Not yet made to Welsh language versionApplied to English language version | |
| The Water Supply (Water Quality) Regulations 2001 | 2001 No. 3911 | reg. 29 | omitted | The Water Supply (Water Quality) Regulations 2001 (Amendment) Regulations 2007 | 2007 No. 3374 | reg. 2(19) | Not yet made to Welsh language versionApplied to English language version | |
| The Water Supply (Water Quality) Regulations 2001 | 2001 No. 3911 | reg. 31(1) | words substituted | The Water Supply (Water Quality) Regulations 2001 (Amendment) Regulations 2007 | 2007 No. 3374 | reg. 2(20)(a)(i) | Not yet made to Welsh language versionApplied to English language version | |
| The Water Supply (Water Quality) Regulations 2001 | 2001 No. 3911 | reg. 31(1) | words substituted | The Water Supply (Water Quality) Regulations 2001 (Amendment) Regulations 2007 | 2007 No. 3374 | reg. 2(20)(a)(ii)(aa) | Not yet made to Welsh language versionApplied to English language version | |
| The Water Supply (Water Quality) Regulations 2001 | 2001 No. 3911 | reg. 31(1) | word omitted | The Water Supply (Water Quality) Regulations 2001 (Amendment) Regulations 2007 | 2007 No. 3374 | reg. 2(20)(a)(ii)(bb) | Not yet made to Welsh language versionApplied to English language version | |
| The Water Supply (Water Quality) Regulations 2001 | 2001 No. 3911 | reg. 31(1) | words inserted | The Water Supply (Water Quality) Regulations 2001 (Amendment) Regulations 2007 | 2007 No. 3374 | reg. 2(20)(a)(iii) | Not yet made to Welsh language versionApplied to English language version | |
| The Water Supply (Water Quality) Regulations 2001 | 2001 No. 3911 | reg. 31(3)(b) | words substituted | The Water Supply (Water Quality) Regulations 2001 (Amendment) Regulations 2007 | 2007 No. 3374 | reg. 2(20)(b)(i) | Not yet made to Welsh language versionApplied to English language version | |
| The Water Supply (Water Quality) Regulations 2001 | 2001 No. 3911 | reg. 31(3)(b)(ii) | words substituted | The Water Supply (Water Quality) Regulations 2001 (Amendment) Regulations 2007 | 2007 No. 3374 | reg. 2(20)(b)(ii) | Not yet made to Welsh language versionApplied to English language version | |
| The Water Supply (Water Quality) Regulations 2001 | 2001 No. 3911 | reg. 31(13) | added | The Water Supply (Water Quality) Regulations 2001 (Amendment) Regulations 2007 | 2007 No. 3374 | reg. 2(20)(c) | Not yet made to Welsh language versionApplied to English language version | |
| The Water Supply (Water Quality) Regulations 2001 | 2001 No. 3911 | reg. 33(1)(2) | substituted | The Water Supply (Water Quality) Regulations 2001 (Amendment) Regulations 2007 | 2007 No. 3374 | reg. 2(21)(a) | Not yet made to Welsh language versionApplied to English language version | |
| The Water Supply (Water Quality) Regulations 2001 | 2001 No. 3911 | reg. 33(4) | omitted | The Water Supply (Water Quality) Regulations 2001 (Amendment) Regulations 2007 | 2007 No. 3374 | reg. 2(21)(b) | Not yet made to Welsh language versionApplied to English language version | |
| The Water Supply (Water Quality) Regulations 2001 | 2001 No. 3911 | reg. 33(5) | words omitted | The Water Supply (Water Quality) Regulations 2001 (Amendment) Regulations 2007 | 2007 No. 3374 | reg. 2(21)(c) | Not yet made to Welsh language versionApplied to English language version | |
| The Water Supply (Water Quality) Regulations 2001 | 2001 No. 3911 | reg. 34(1)(f) | words substituted | The Water Supply (Water Quality) Regulations 2001 (Amendment) Regulations 2007 | 2007 No. 3374 | reg. 2(22) | Not yet made to Welsh language versionApplied to English language version | |
| The Water Supply (Water Quality) Regulations 2001 | 2001 No. 3911 | reg. 35 | substituted | The Water Supply (Water Quality) Regulations 2001 (Amendment) Regulations 2007 | 2007 No. 3374 | reg. 2(23) | Not yet made to Welsh language versionApplied to English language version | |
| The Water Supply (Water Quality) Regulations 2001 | 2001 No. 3911 | reg. 36 | omitted | The Water Supply (Water Quality) Regulations 2001 (Amendment) Regulations 2007 | 2007 No. 3374 | reg. 2(24) | Not yet made to Welsh language versionApplied to English language version | |
| The Water Supply (Water Quality) Regulations 2001 | 2001 No. 3911 | reg. 38(1)(a) | words substituted | The Water Supply (Water Quality) Regulations 2001 (Amendment) Regulations 2007 | 2007 No. 3374 | reg. 2(25) | Not yet made to Welsh language versionApplied to English language version | |
| The Water Supply (Water Quality) Regulations 2001 | 2001 No. 3911 | reg. 43(6) | inserted | The Water Supply (Water Quality) Regulations 2001 (Amendment) Regulations 2007 | 2007 No. 3374 | reg. 2(26) | Not yet made to Welsh language versionApplied to English language version | |
| The Water Supply (Water Quality) Regulations 2001 | 2001 No. 3911 | Sch. 1 Pt. 2 | words omitted | The Water Supply (Water Quality) Regulations 2001 (Amendment) Regulations 2007 | 2007 No. 3374 | Sch. Para. 2(a) | Not yet made to Welsh language versionApplied to English language version | |
| The Water Supply (Water Quality) Regulations 2001 | 2001 No. 3911 | Sch. 1 Pt. 2 | words omitted | The Water Supply (Water Quality) Regulations 2001 (Amendment) Regulations 2007 | 2007 No. 3374 | Sch. Para. 2(b) | Not yet made to Welsh language versionApplied to English language version | |
| The Water Supply (Water Quality) Regulations 2001 | 2001 No. 3911 | Sch. 1 Pt. 2 | words substituted | The Water Supply (Water Quality) Regulations 2001 (Amendment) Regulations 2007 | 2007 No. 3374 | Sch. Para. 2(c)(i) | Not yet made to Welsh language versionApplied to English language version | |
| The Water Supply (Water Quality) Regulations 2001 | 2001 No. 3911 | Sch. 1 Pt. 2 | words omitted | The Water Supply (Water Quality) Regulations 2001 (Amendment) Regulations 2007 | 2007 No. 3374 | Sch. Para. 2(c)(ii) | Not yet made to Welsh language versionApplied to English language version | |
| The Water Supply (Water Quality) Regulations 2001 | 2001 No. 3911 | Sch. 2 heading | words inserted | The Water Supply (Water Quality) Regulations 2001 (Amendment) Regulations 2007 | 2007 No. 3374 | Sch. Para. 3(a) | Not yet made to Welsh language versionApplied to English language version | |
| The Water Supply (Water Quality) Regulations 2001 | 2001 No. 3911 | Sch. 2 | words inserted | The Water Supply (Water Quality) Regulations 2001 (Amendment) Regulations 2007 | 2007 No. 3374 | Sch. Para. 3(b)(i) | Not yet made to Welsh language versionApplied to English language version | |
| The Water Supply (Water Quality) Regulations 2001 | 2001 No. 3911 | Sch. 2 | words inserted | The Water Supply (Water Quality) Regulations 2001 (Amendment) Regulations 2007 | 2007 No. 3374 | Sch. Para. 3(b)(ii) | Not yet made to Welsh language versionApplied to English language version | |
| The Water Supply (Water Quality) Regulations 2001 | 2001 No. 3911 | Sch. 3 | words inserted | The Water Supply (Water Quality) Regulations 2001 (Amendment) Regulations 2007 | 2007 No. 3374 | Sch. Para. 4(a) | Not yet made to Welsh language versionApplied to English language version | |