rec_5

(5) In 2017, the World Health Organization (WHO) Regional Office for Europe conducted a detailed review of the list of parameters and parametric values laid down in Directive 98/83/EC in order to establish whether there is a need to adapt that list in light of technical and scientific progress. In view of the results of that review, enteric pathogens and Legionella should be controlled and six chemical parameters or parameter groups should be added. For four of the six new parameters or parameter groups, parametric values that are more stringent than those proposed by the WHO, though nonetheless feasible, should be laid down in light of other recent scientific opinions and the precautionary principle. For one of the new parameters, the number of representative substances should be reduced and the value adapted. For chromium, the value remains under WHO review and a transitional period of 15 years should therefore apply before the value becomes more stringent. In addition, the WHO recommended that three representative endocrine-disrupting compounds may be considered as benchmarks, for assessing the occurrence of endocrine-disrupting compounds and their treatment efficacy where necessary, with values of 0,1 μg/l for Bisphenol A, 0,3 μg/l for Nonylphenol and 1 ng/l for Beta-estradiol. However, based on a 2015 opinion of the European Food Safety Authority (EFSA), it was decided that one of those three compounds, Bisphenol A, should be added to this Directive with a health-based parametric value of 2,5 μg/l. Furthermore, Nonylphenol and Beta-estradiol should be added to the watch list to be established by the Commission pursuant to this Directive.

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Source: EUR-Lex (Cellar) · retrieved 2026-10-28 · Text as adopted (Official Journal); later amendments are not incorporated in this text.