Decree-Law No. 446/91 establishing treated water use for irrigation purposes originating from water discharge. Pays/Territoire Portugal Type du document Législation Date 1991 Source FAO, FAOLEX Source d'origine Diário da República No. 269/91 (I-A), 22 November 1991, pp. 6076-6078. Sujet Eau Mot clé Irrigation Eaux usées/déversement Recyclage/réemploi Lutte contre la pollution Pollution des eaux douces Aire géographique Europe, Europe et Asie Centrale, Pays de l'Union Européenne, Atlantique Nord, Atlantique du Nord-Est, Europe du Sud Entry into force notes This Decre-Law enters into force on the 1st November 1991. Résumé This Decree-Law establishes treated water use for irrigation purposes originating from urban or other types of water discharge. It consists of 13 articles specifying the requirements to be met for using purified water. It establishes periodical controls to be carried out on this purified water (maximum residue limit in water of metals, or other polluting agents) in order to guarantee water quality and to authorize the use of this treated water. This Decree-Law also prescribes and sanctions to be paid by offenders. Texte intégral Portugais