| The Water Supply (Water Quality) Regulations 2016 | 2016 No. 614 | reg. 2(1) | words omitted | The Water Supply (Water Quality) (Amendment) Regulations 2018 | 2018 No. 706 | reg. 2(2)(a)(i) | Yes | |
| The Water Supply (Water Quality) Regulations 2016 | 2016 No. 614 | reg. 2(1) | words inserted | The Water Supply (Water Quality) (Amendment) Regulations 2018 | 2018 No. 706 | reg. 2(2)(a)(ii) | Yes | |
| The Water Supply (Water Quality) Regulations 2016 | 2016 No. 614 | reg. 2(3) | words omitted | The Water Supply (Water Quality) (Amendment) Regulations 2018 | 2018 No. 706 | reg. 2(2)(b)(i) | Yes | |
| The Water Supply (Water Quality) Regulations 2016 | 2016 No. 614 | reg. 2(3) | word inserted | The Water Supply (Water Quality) (Amendment) Regulations 2018 | 2018 No. 706 | reg. 2(2)(b)(ii) | Yes | |
| The Water Supply (Water Quality) Regulations 2016 | 2016 No. 614 | reg. 4(1) | words inserted | The Water Supply (Water Quality) (Amendment) Regulations 2018 | 2018 No. 706 | reg. 2(3) | Yes | |
| The Water Supply (Water Quality) Regulations 2016 | 2016 No. 614 | reg. 5(1)-(3) | substituted | The Water Supply (Water Quality) (Amendment) Regulations 2018 | 2018 No. 706 | reg. 2(4)(a) | Yes | |
| The Water Supply (Water Quality) Regulations 2016 | 2016 No. 614 | reg. 5(6) | inserted | The Water Supply (Water Quality) (Amendment) Regulations 2018 | 2018 No. 706 | reg. 2(4)(b) | Yes | |
| The Water Supply (Water Quality) Regulations 2016 | 2016 No. 614 | reg. 6(3) | substituted | The Water Supply (Water Quality) (Amendment) Regulations 2018 | 2018 No. 706 | reg. 2(5)(a) | Yes | |
| The Water Supply (Water Quality) Regulations 2016 | 2016 No. 614 | reg. 6(4) | words omitted | The Water Supply (Water Quality) (Amendment) Regulations 2018 | 2018 No. 706 | reg. 2(5)(b)(i) | Yes | |
| The Water Supply (Water Quality) Regulations 2016 | 2016 No. 614 | reg. 6(4) | words substituted | The Water Supply (Water Quality) (Amendment) Regulations 2018 | 2018 No. 706 | reg. 2(5)(b)(ii) | Yes | |
| The Water Supply (Water Quality) Regulations 2016 | 2016 No. 614 | reg. 6(5) | substituted | The Water Supply (Water Quality) (Amendment) Regulations 2018 | 2018 No. 706 | reg. 2(5)(c) | Yes | |
| The Water Supply (Water Quality) Regulations 2016 | 2016 No. 614 | reg. 6(7) | word substituted | The Water Supply (Water Quality) (Amendment) Regulations 2018 | 2018 No. 706 | reg. 2(5)(d) | Yes | |
| The Water Supply (Water Quality) Regulations 2016 | 2016 No. 614 | reg. 6(15) | words substituted | The Water Supply (Water Quality) (Amendment) Regulations 2018 | 2018 No. 706 | reg. 2(5)(e) | Yes | |
| The Water Supply (Water Quality) Regulations 2016 | 2016 No. 614 | reg. 6(16)(a) | word substituted | The Water Supply (Water Quality) (Amendment) Regulations 2018 | 2018 No. 706 | reg. 2(5)(f) | Yes | |
| The Water Supply (Water Quality) Regulations 2016 | 2016 No. 614 | reg. 8(1) | words substituted | The Water Supply (Water Quality) (Amendment) Regulations 2018 | 2018 No. 706 | reg. 2(6) | Yes | |
| The Water Supply (Water Quality) Regulations 2016 | 2016 No. 614 | reg. 9 | substituted | The Water Supply (Water Quality) (Amendment) Regulations 2018 | 2018 No. 706 | reg. 2(7) | Yes | |
| The Water Supply (Water Quality) Regulations 2016 | 2016 No. 614 | reg. 11 | omitted | The Water Supply (Water Quality) (Amendment) Regulations 2018 | 2018 No. 706 | reg. 2(8) | Yes | |
| The Water Supply (Water Quality) Regulations 2016 | 2016 No. 614 | reg. 13(1) | words substituted | The Water Supply (Water Quality) (Amendment) Regulations 2018 | 2018 No. 706 | reg. 2(9)(a) | Yes | |
| The Water Supply (Water Quality) Regulations 2016 | 2016 No. 614 | reg. 13(2)-(4) | omitted | The Water Supply (Water Quality) (Amendment) Regulations 2018 | 2018 No. 706 | reg. 2(9)(b) | Yes | |
| The Water Supply (Water Quality) Regulations 2016 | 2016 No. 614 | reg. 13(6) | words substituted | The Water Supply (Water Quality) (Amendment) Regulations 2018 | 2018 No. 706 | reg. 2(9)(c) | Yes | |
| The Water Supply (Water Quality) Regulations 2016 | 2016 No. 614 | reg. 13(7) | inserted | The Water Supply (Water Quality) (Amendment) Regulations 2018 | 2018 No. 706 | reg. 2(9)(d) | Yes | |
| The Water Supply (Water Quality) Regulations 2016 | 2016 No. 614 | reg. 14 | words inserted | The Water Supply (Water Quality) (Amendment) Regulations 2018 | 2018 No. 706 | reg. 2(10) | Yes | |
| The Water Supply (Water Quality) Regulations 2016 | 2016 No. 614 | reg. 16 | substituted | The Water Supply (Water Quality) (Amendment) Regulations 2018 | 2018 No. 706 | reg. 2(11) | Yes | |
| The Water Supply (Water Quality) Regulations 2016 | 2016 No. 614 | reg. 34(1)(h) | word omitted | The Water Supply (Water Quality) (Amendment) Regulations 2018 | 2018 No. 706 | reg. 2(12) | Yes | |
| The Water Supply (Water Quality) Regulations 2016 | 2016 No. 614 | reg. 34(2)(ca) | word omitted | The Water Supply (Water Quality) (Amendment) Regulations 2018 | 2018 No. 706 | reg. 2(12) | Yes | |
| The Water Supply (Water Quality) Regulations 2016 | 2016 No. 614 | Sch. 3 | substituted | The Water Supply (Water Quality) (Amendment) Regulations 2018 | 2018 No. 706 | reg. 2(13) | Yes | |
| The Water Supply (Water Quality) Regulations 2016 | 2016 No. 614 | Sch. 4 para. 4(1)(a) | substituted | The Water Supply (Water Quality) (Amendment) Regulations 2018 | 2018 No. 706 | reg. 2(14)(a) | Yes | |
| The Water Supply (Water Quality) Regulations 2016 | 2016 No. 614 | Sch. 4 Table 1 | words substituted | The Water Supply (Water Quality) (Amendment) Regulations 2018 | 2018 No. 706 | reg. 2(14)(b) | Yes | |
| The Water Supply (Water Quality) Regulations 2016 | 2016 No. 614 | Sch. 5 Table A1 | substituted | The Water Supply (Water Quality) (Amendment) Regulations 2018 | 2018 No. 706 | reg. 2(15)(a) | Yes | |
| The Water Supply (Water Quality) Regulations 2016 | 2016 No. 614 | Sch. 5 Table A2 | omitted | The Water Supply (Water Quality) (Amendment) Regulations 2018 | 2018 No. 706 | reg. 2(15)(b) | Yes | |
| The Water Supply (Water Quality) Regulations 2016 | 2016 No. 614 | Sch. 5 Table A3 | inserted | The Water Supply (Water Quality) (Amendment) Regulations 2018 | 2018 No. 706 | reg. 2(15)(c) | Yes | |