http://www.legislation.gov.uk/nisr/2003/369/introduction/madeThe Water Supply (Water Quality) (Amendment) Regulations (Northern Ireland) 2003Water qualityWater metersGovernment Printer for Northern Ireland2018-02-06WATER AND SEWERAGE These Regulations amend the Water Supply (Water Quality) Regulations (Northern Ireland) 2002 (“the principal Regulations”). 2003 No. 369 Made 6th August 2003 Coming into operation 28th August 2003 The Department of the Environment, in exercise of the powers conferred on it by Articles 3B and 3C of the Water and Sewerage Services (Northern Ireland) Order 1973 and, being a department designated for the purposes of section 2(2) of the European Communities Act 1972 in relation to measures relating to the quality of water intended for domestic purposes or for use in food production undertaking in exercise of the powers conferred on it by that section and of every other power enabling it on that behalf, hereby makes the following Regulations: S.I. 1973/70 (N.I. 2) as amended by the Water and Sewerage Services (Amendment) (Northern Ireland) Order 1993 S.I. 1993/3165 (N.I. 16) Art. 4. Art. 2 contains a definition of “prescribed” S.I. 1998/2793 1972 c. 68