| The Water and Sewerage Services (Northern Ireland) Order 2006 | 2006 No. 3336 | art. 30 | applied by S.R. 2007/147, reg. 26(6) (as substituted) | Water Supply (Water Quality) (Amendment) Regulations (Northern Ireland) 2009 | 2009 No. 246 | reg. 2(11) | Yes | |
| The Water and Sewerage Services (Northern Ireland) Order 2006 | 2006 No. 3336 | art. 30 | applied by S.R. 2007/147, reg. 28(7) (as substituted) | Water Supply (Water Quality) (Amendment) Regulations (Northern Ireland) 2009 | 2009 No. 246 | reg. 2(13) | Yes | |
| The Water Supply (Water Quality) Regulations (Northern Ireland) 2007 (revoked) | 2007 No. 147 | reg. 2(1) | words substituted | Water Supply (Water Quality) (Amendment) Regulations (Northern Ireland) 2009 (revoked) | 2009 No. 246 | reg. 2(2)(a) | Not yet | |
| The Water Supply (Water Quality) Regulations (Northern Ireland) 2007 (revoked) | 2007 No. 147 | reg. 2(1) | words substituted | Water Supply (Water Quality) (Amendment) Regulations (Northern Ireland) 2009 (revoked) | 2009 No. 246 | reg. 2(2)(b) | Not yet | |
| The Water Supply (Water Quality) Regulations (Northern Ireland) 2007 (revoked) | 2007 No. 147 | reg. 3(2A) | inserted | Water Supply (Water Quality) (Amendment) Regulations (Northern Ireland) 2009 (revoked) | 2009 No. 246 | reg. 2(3) | Not yet | |
| The Water Supply (Water Quality) Regulations (Northern Ireland) 2007 (revoked) | 2007 No. 147 | reg. 4(3)(aa) | inserted | Water Supply (Water Quality) (Amendment) Regulations (Northern Ireland) 2009 (revoked) | 2009 No. 246 | reg. 2(4) | Not yet | |
| The Water Supply (Water Quality) Regulations (Northern Ireland) 2007 (revoked) | 2007 No. 147 | reg. 8(1) | words substituted | Water Supply (Water Quality) (Amendment) Regulations (Northern Ireland) 2009 (revoked) | 2009 No. 246 | reg. 2(5)(a) | Not yet | |
| The Water Supply (Water Quality) Regulations (Northern Ireland) 2007 (revoked) | 2007 No. 147 | reg. 8(2) | words substituted | Water Supply (Water Quality) (Amendment) Regulations (Northern Ireland) 2009 (revoked) | 2009 No. 246 | reg. 2(5)(b) | Not yet | |
| The Water Supply (Water Quality) Regulations (Northern Ireland) 2007 (revoked) | 2007 No. 147 | reg. 15(4)-(6) | added | Water Supply (Water Quality) (Amendment) Regulations (Northern Ireland) 2009 (revoked) | 2009 No. 246 | reg. 2(6) | Not yet | |
| The Water Supply (Water Quality) Regulations (Northern Ireland) 2007 (revoked) | 2007 No. 147 | regs. 16A 16B | inserted | Water Supply (Water Quality) (Amendment) Regulations (Northern Ireland) 2009 (revoked) | 2009 No. 246 | reg. 2(7) | Not yet | |
| The Water Supply (Water Quality) Regulations (Northern Ireland) 2007 (revoked) | 2007 No. 147 | reg. 19(1)(a) | substituted | Water Supply (Water Quality) (Amendment) Regulations (Northern Ireland) 2009 (revoked) | 2009 No. 246 | reg. 2(8) | Not yet | |
| The Water Supply (Water Quality) Regulations (Northern Ireland) 2007 (revoked) | 2007 No. 147 | reg. 23(1) | reg. 23 renumbered as reg. 23(1) | Water Supply (Water Quality) (Amendment) Regulations (Northern Ireland) 2009 (revoked) | 2009 No. 246 | reg. 2(9) | Not yet | |
| The Water Supply (Water Quality) Regulations (Northern Ireland) 2007 (revoked) | 2007 No. 147 | reg. 23(2) | added | Water Supply (Water Quality) (Amendment) Regulations (Northern Ireland) 2009 (revoked) | 2009 No. 246 | reg. 2(9) | Not yet | |
| The Water Supply (Water Quality) Regulations (Northern Ireland) 2007 (revoked) | 2007 No. 147 | reg. 25 | words omitted | Water Supply (Water Quality) (Amendment) Regulations (Northern Ireland) 2009 (revoked) | 2009 No. 246 | reg. 2(10)(a) | Not yet | |
| The Water Supply (Water Quality) Regulations (Northern Ireland) 2007 (revoked) | 2007 No. 147 | reg. 25 | words substituted | Water Supply (Water Quality) (Amendment) Regulations (Northern Ireland) 2009 (revoked) | 2009 No. 246 | reg. 2(10)(b) | Not yet | |
| The Water Supply (Water Quality) Regulations (Northern Ireland) 2007 (revoked) | 2007 No. 147 | reg. 26 | substituted | Water Supply (Water Quality) (Amendment) Regulations (Northern Ireland) 2009 (revoked) | 2009 No. 246 | reg. 2(11) | Not yet | |
| The Water Supply (Water Quality) Regulations (Northern Ireland) 2007 (revoked) | 2007 No. 147 | reg. 27 | substituted | Water Supply (Water Quality) (Amendment) Regulations (Northern Ireland) 2009 (revoked) | 2009 No. 246 | reg. 2(12) | Not yet | |
| The Water Supply (Water Quality) Regulations (Northern Ireland) 2007 (revoked) | 2007 No. 147 | reg. 28 | substituted | Water Supply (Water Quality) (Amendment) Regulations (Northern Ireland) 2009 (revoked) | 2009 No. 246 | reg. 2(13) | Not yet | |
| The Water Supply (Water Quality) Regulations (Northern Ireland) 2007 (revoked) | 2007 No. 147 | reg. 31(1) | substituted | Water Supply (Water Quality) (Amendment) Regulations (Northern Ireland) 2009 (revoked) | 2009 No. 246 | reg. 2(14) | Not yet | |
| The Water Supply (Water Quality) Regulations (Northern Ireland) 2007 (revoked) | 2007 No. 147 | reg. 31A | inserted | Water Supply (Water Quality) (Amendment) Regulations (Northern Ireland) 2009 (revoked) | 2009 No. 246 | reg. 2(15) | Not yet | |
| The Water Supply (Water Quality) Regulations (Northern Ireland) 2007 (revoked) | 2007 No. 147 | reg. 32 | words substituted | Water Supply (Water Quality) (Amendment) Regulations (Northern Ireland) 2009 (revoked) | 2009 No. 246 | reg. 2(16) | Not yet | |
| The Water Supply (Water Quality) Regulations (Northern Ireland) 2007 (revoked) | 2007 No. 147 | reg. 33 | substituted | Water Supply (Water Quality) (Amendment) Regulations (Northern Ireland) 2009 (revoked) | 2009 No. 246 | reg. 2(17) | Not yet | |
| The Water Supply (Water Quality) Regulations (Northern Ireland) 2007 (revoked) | 2007 No. 147 | reg. 34 | substituted | Water Supply (Water Quality) (Amendment) Regulations (Northern Ireland) 2009 (revoked) | 2009 No. 246 | reg. 2(18) | Not yet | |
| The Water Supply (Water Quality) Regulations (Northern Ireland) 2007 (revoked) | 2007 No. 147 | Sch. 1 Table B Pt. 2 | words omitted | Water Supply (Water Quality) (Amendment) Regulations (Northern Ireland) 2009 (revoked) | 2009 No. 246 | Sch. 1 para. 1(a) | Not yet | |
| The Water Supply (Water Quality) Regulations (Northern Ireland) 2007 (revoked) | 2007 No. 147 | Sch. 1 Table B Pt. 2 | words omitted | Water Supply (Water Quality) (Amendment) Regulations (Northern Ireland) 2009 (revoked) | 2009 No. 246 | Sch. 1 para. 1(b) | Not yet | |
| The Water Supply (Water Quality) Regulations (Northern Ireland) 2007 (revoked) | 2007 No. 147 | Sch. 1 Table B Pt. 2 | words omitted | Water Supply (Water Quality) (Amendment) Regulations (Northern Ireland) 2009 (revoked) | 2009 No. 246 | Sch. 1 para. 1(c) | Not yet | |
| The Water Supply (Water Quality) Regulations (Northern Ireland) 2007 (revoked) | 2007 No. 147 | Sch. 1 Table B Pt. 2 | words substituted | Water Supply (Water Quality) (Amendment) Regulations (Northern Ireland) 2009 (revoked) | 2009 No. 246 | Sch. 1 para. 1(d)(i) | Not yet | |
| The Water Supply (Water Quality) Regulations (Northern Ireland) 2007 (revoked) | 2007 No. 147 | Sch. 1 Table B Pt. 2 | words omitted | Water Supply (Water Quality) (Amendment) Regulations (Northern Ireland) 2009 (revoked) | 2009 No. 246 | Sch. 1 para. 1(d)(ii) | Not yet | |
| The Water Supply (Water Quality) Regulations (Northern Ireland) 2007 (revoked) | 2007 No. 147 | Sch. 2 | words inserted | Water Supply (Water Quality) (Amendment) Regulations (Northern Ireland) 2009 (revoked) | 2009 No. 246 | Sch. 1 para. 2(a) | Not yet | |
| The Water Supply (Water Quality) Regulations (Northern Ireland) 2007 (revoked) | 2007 No. 147 | Sch. 2 Item. 7 | words inserted | Water Supply (Water Quality) (Amendment) Regulations (Northern Ireland) 2009 (revoked) | 2009 No. 246 | Sch. 1 para. 2(b)(i) | Not yet | |
| The Water Supply (Water Quality) Regulations (Northern Ireland) 2007 (revoked) | 2007 No. 147 | Sch. 2 Item. 7 | words inserted | Water Supply (Water Quality) (Amendment) Regulations (Northern Ireland) 2009 (revoked) | 2009 No. 246 | Sch. 1 para. 2(b)(ii) | Not yet | |
| The Water Supply (Water Quality) Regulations (Northern Ireland) 2007 (revoked) | 2007 No. 147 | Sch. 3 Table 2 | words inserted | Water Supply (Water Quality) (Amendment) Regulations (Northern Ireland) 2009 (revoked) | 2009 No. 246 | Sch. 1 para. 3(a) | Not yet | |
| The Water Supply (Water Quality) Regulations (Northern Ireland) 2007 (revoked) | 2007 No. 147 | Sch. 3 Table 3 | word inserted | Water Supply (Water Quality) (Amendment) Regulations (Northern Ireland) 2009 (revoked) | 2009 No. 246 | Sch. 1 para. 3(b)(i) | Not yet | |
| The Water Supply (Water Quality) Regulations (Northern Ireland) 2007 (revoked) | 2007 No. 147 | Sch. 3 Table 3 | words inserted | Water Supply (Water Quality) (Amendment) Regulations (Northern Ireland) 2009 (revoked) | 2009 No. 246 | Sch. 1 para. 3(b)(ii) | Not yet | |
| Water Supply (Water Quality) (Amendment) Regulations (Northern Ireland) 2009 (revoked) | 2009 No. 246 | reg. 1 | coming into force | Water Supply (Water Quality) (Amendment) Regulations (Northern Ireland) 2009 (revoked) | 2009 No. 246 | reg. 1(1) | Yes | |
| Water Supply (Water Quality) (Amendment) Regulations (Northern Ireland) 2009 (revoked) | 2009 No. 246 | reg. 2 | coming into force | Water Supply (Water Quality) (Amendment) Regulations (Northern Ireland) 2009 (revoked) | 2009 No. 246 | reg. 1(1) | Yes | |
| Water Supply (Water Quality) (Amendment) Regulations (Northern Ireland) 2009 (revoked) | 2009 No. 246 | reg. 3 | coming into force | Water Supply (Water Quality) (Amendment) Regulations (Northern Ireland) 2009 (revoked) | 2009 No. 246 | reg. 1(1) | Yes | |
| Water Supply (Water Quality) (Amendment) Regulations (Northern Ireland) 2009 (revoked) | 2009 No. 246 | Sch. 1 para. 1 | coming into force | Water Supply (Water Quality) (Amendment) Regulations (Northern Ireland) 2009 (revoked) | 2009 No. 246 | reg. 1(1) | Yes | |
| Water Supply (Water Quality) (Amendment) Regulations (Northern Ireland) 2009 (revoked) | 2009 No. 246 | Sch. 1 para. 2 | coming into force | Water Supply (Water Quality) (Amendment) Regulations (Northern Ireland) 2009 (revoked) | 2009 No. 246 | reg. 1(1) | Yes | |
| Water Supply (Water Quality) (Amendment) Regulations (Northern Ireland) 2009 (revoked) | 2009 No. 246 | Sch. 1 para. 3 | coming into force | Water Supply (Water Quality) (Amendment) Regulations (Northern Ireland) 2009 (revoked) | 2009 No. 246 | reg. 1(1) | Yes | |