# The Water Supply (Water Quality) Regulations (Northern Ireland) 2017, Regulation 36: Maintenance of records


(1) The water undertaker must prepare and maintain, in respect of each of its water supply zones, a record containing—
(a) the name of the zone;
(b) the name of every water treatment works, service reservoir and other supply point from which water is supplied to premises within the zone;
(c) an estimate of the population of the zone;
(d) the details contained within each risk assessment carried out under regulation 30, including a summary of its results;
(e) particulars of any departure authorised under Part 8 which applies to water supplied in the zone;
(f) particulars of the action taken or required to be taken by the water undertaker to comply with -
(i) any departure authorised under Part 8; and
(ii) any notice under regulation 23(3);
(g) particulars of the result of any analysis of samples taken in accordance with Part 4 or any of regulations 14 to 17 and 20 and 31; and
(h) such other particulars as the water undertaker may determine.
(2) The water undertaker must make—
(a) entries in respect of the matters mentioned in paragraph (1)(f)(i), where relevant, and (1)(f)(ii) within 28 days of the date of the authorisation and notice respectively; and
(b) entries relating to the results of the analysis of samples within 28 days of the day on which the result is first known to the water undertaker.
(3) Without prejudice to paragraph (2) the water undertaker must at least once in each year review and bring up to date the record required to be kept by paragraph (1).
(4) Nothing in this regulation shall require the water undertaker to retain a record—
(a) of information mentioned in any of sub-paragraphs (a), (b) and (f) of paragraph (1) at any time more than 30 years after the date on which the information was first entered in the record;
(b) of information mentioned in any other sub-paragraph of that paragraph at any time more than five years after the date on which the information was first entered in the record.

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Source: https://www.legislation.gov.uk/nisr/2017/212/regulation/36 (the official version)
Page: https://openlegislation.uk/water-supply-water-quality-regulations-northern-ireland-2017/regulation-36
Contains public sector information licensed under the Open Government Licence v3.0. Source: legislation.gov.uk, The National Archives.