2.—(1) For each private supply the Department must record each of the following within 28 days of the event—
(a)date and results of any sampling and analysis relating to that supply;
(b)sufficient records to show that the requirements of regulations 7, 8 and 9 and Schedules 2, 3 and 4 have been satisfied;
(c)the results of any investigation undertaken in accordance with these Regulations;
(d)any authorisation;
(e)any action taken or required to be taken by any person under these Regulations;
(f)any action taken or required to be taken following a notice served under Article 119 of the Water and Sewerage Services (Northern Ireland) Order 2006(1);
(g)in respect of any risk assessment, the date and results of any inspection of the supply and the results of analysis of samples taken for the purposes of the assessment;
(h)any notices served under these Regulations;
(i)any request for the Department to carry out sampling and analysis, undertake a risk assessment or give advice;
(j)a summary of any advice given in relation to the supply; and
(k)such other particulars as the Department may determine.
(2) The Department must keep the records of sampling and analysis for at least 30 years, and all other records under this paragraph for at least 10 years.