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5.—[F1(1) In this Part, “monitoring of a Group A parameter” means monitoring of a Group A parameter for the purpose of obtaining information at regular intervals—
(a)as to the organoleptic and microbiological quality of water;
(b)where relevant, as to the effectiveness of drinking water treatment, particularly for the purposes of disinfection, for the purposes referred to in paragraph (2); and
(c)as regards indicator parameters, whether water supplied for regulation 4(1) purposes meets the specifications for those parameters.]
[F1(2) A Group A parameter must be monitored to determine whether its presence in water supplied for regulation 4(1) purposes satisfies the provisions of Part 3 or, if a departure has been authorised under Part 7 in relation to that supply, the provisions of Part 3 as read with the terms of that departure.]
[F1(3) In this Part, “monitoring of a Group B parameter” means monitoring of a Group B parameter for the purpose of obtaining information from which it may be established whether water supplied for regulation 4(1) purposes—
(a)satisfies the provisions of Part 3 or, if a departure has been authorised under Part 7 in relation to that supply, the provisions of Part 3 as read with the terms of that departure;
(b)meets the specifications for indicator parameters;
(c)in respect of other parameters identified as relevant by the Secretary of State under regulation 9, meets the specifications for those parameters.]
(4) This Part applies to water supplied for regulation 4(1) purposes by a relevant supplier in the performance of its duties under Chapter 3.
(5) Regulations 6 to 10 apply to a [F2wholesale licensee] in relation to samples taken from supply points as they apply to a water undertaker, but only insofar as the [F2wholesale licensee] is introducing water into a water supply zone in which the water undertaker takes samples under this Part (to the extent authorised by or under regulation 8) from supply points.
[F3(6) In this regulation—
“Group A parameter” means a parameter specified in column 2 of Table 1 in Schedule 3;
“Group B parameter” means a parameter specified in column 2 of Table 2 or, as the case may be, Table 3 in Schedule 3.]
Textual Amendments
F1Reg. 5(1)-(3) substituted (11.7.2018) by The Water Supply (Water Quality) (Amendment) Regulations 2018 (S.I. 2018/706), regs. 1(1), 2(4)(a)
F2Words in reg. 5(5) substituted (31.3.2017) by The Water Act 2014 (Consequential Amendments etc.) Order 2017 (S.I. 2017/506), arts. 1(1), 32(4)
F3Reg. 5(6) inserted (11.7.2018) by The Water Supply (Water Quality) (Amendment) Regulations 2018 (S.I. 2018/706), regs. 1(1), 2(4)(b)