32.—(1) The water undertaker shall 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)particulars of any departure authorised under Part VI which applies to water supplied in the zone;
(e)particulars of the action taken or required to be taken by the water undertaker to comply with -
(i)any departure authorised under Part VI; and
(ii)any notice under regulation 19(3);
(f)particulars of the result of any analysis of samples taken in accordance with Part IV or any of regulations 12 to 14 and 27(3)(a); and
(g)such other particulars as the water undertaker may determine.
(2) The water undertaker shall make—
(a)entries in respect of the matters mentioned in paragraph (1)(e)(i), where relevant, and (1)(e)(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 shall 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.