The Water Supply (Water Quality) (Amendment) Regulations 2018. Comes into force 11th July. These Regulations amend the Water Supply (Water Quality) Regulations 2016 (SI 2016/614). The amendments principally implement the requirements of Commission Directive (EU) 2015/1787 which amended Council Directive 98/83/EC on the quality of water intended for human consumption. The purpose of those amendments is to align the principles applying in the EU in respect of risk based sampling and analysis of drinking water with those of the World Health Organisation.