Relation between the users of water in Bütgenbach and Robertville reservoirs (Belgium) ; Relation entre les utilisateurs de l'eau des réservoirs de Bütgenbach et Robertville (Belgique)

The salmonid Warche stream in eastern Belgium is fragmented by two dams and reservoirs (Bütgenbach in the upper reach, Robertville in the lower reach). This hydro-system is exploited intensively for different uses : production of hydroelectricity, production of drinking water, intensive tourism (bathing, sailing, fishing), reception of discharge of domestic and industrial effluents and flood control. The water quality is relatively good but there are two major problems : i) an eutrophication of the two reservoirs producing periodic blooms of blue-green algae, which pose problems for water trea... Mehr ...