Article 4

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. Member States shall, initially within a two year period following the notification of this Directive, designate salmonid waters and cyprinid waters. 2. Member States may subsequently make additional designations. 3. Member States may revise the designation of certain waters owing to factors unforeseen at the time of designation, taking into account the principle set out in Article 8.

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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.