Article 2
Council Directive 78/659/EEC of 18 July 1978 on the quality of fresh waters needing protection or improvement in order to support fish life · European Union
1. The physical and chemical parameters applicable to the waters designated by the Member States are listed in Annex I. 2. For the purposes of applying these parameters, waters are divided into salmonid waters and cyprinid waters.
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Source: EUR-Lex (Cellar) · retrieved 2026-10-13 · Text as adopted (Official Journal); later amendments are not incorporated in this text.