preamble_1
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
COUNCIL DIRECTIVE of 18 July 1978 on the quality of fresh waters needing protection or improvement in order to support fish life (78/659/EEC)
Source: EUR-Lex (Cellar) · retrieved 2026-10-13 · Text as adopted (Official Journal); later amendments are not incorporated in this text.