# The Water Supply (Water Quality) Regulations (Northern Ireland) 2017, Regulation 7: Monitoring: Group A and Group B monitoring


(1) In this Part, “monitoring of a Group A parameter” (Group A monitoring) means monitoring for the purpose of obtaining information at regular intervals—
(a) as to the organoleptic and microbiological quality of water;
(b) as to the effectiveness of drinking-water treatment (particularly of disinfection) where it is used;
(c) as regards indicator parameters, whether water supplied for regulation 5(1) purposes meets the specifications for those parameters; and
(d) in respect of certain other parameters which may be identified as relevant by a water undertaker in the monitoring programme.
(2) The purpose of monitoring of a Group A parameter is to determine whether the presence of such a parameter in water supplied for regulation 5(1) purposes satisfies the provisions of Part 3 of these Regulations or, if a departure has been authorised under Part 8 in relation to that supply, those provisions as read with the terms of that departure.
(3) In this Part, “monitoring of a Group B parameter” (Group B monitoring) means monitoring each parameter listed in Schedule 1 (other than a parameter being monitored under Group A monitoring) for the purpose of obtaining information from which it may be established—
(a) whether water supplied for the purposes of regulation 5(1) satisfied the provisions of Part 3 of these Regulations or, if a departure has been authorised under Part 8 in relation to that supply, those provisions as read with the terms of that departure; and
(b) as regards indicator parameters, whether water supplied for regulation 5(1) purposes meets the specifications for those parameters.

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Source: https://www.legislation.gov.uk/nisr/2017/212/regulation/7 (the official version)
Page: https://openlegislation.uk/water-supply-water-quality-regulations-northern-ireland-2017/regulation-7
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.