However, economic development between 1960 and 1989 resulted in a significant deterioration of the w'ater quality of the Danube and domestic rivers. It was agreed that transitional arrangements would mn until 31 December 2018, with intermediate targets for the collection and treatment of urban wastewater. Council Directive 91/271/EEC, as amended by Commission Directive 98/15/EC,47 was fully transposed into Romanian legislation through GD No.