PART 4Monitoring of water supplies

Interpretation and application of Part 45

F21

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.

F22

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.

F23

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 F1wholesale licensee in relation to samples taken from supply points as they apply to a water undertaker, but only insofar as the F1wholesale 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.

F36

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.