The objective of this Government Regulation is to establish, in accordance with European Union legislation, water quality standards. The present Regulation, which is composed of 17 articles and six Annexes, lays down: (1) indicators defining the status of surface water; (2) indicators and values of acceptable surface water pollution; (3) indicators and values of acceptable waste water pollution; (4) indicators and values of permitted waste water pollution for sensitive areas and for the discharge of waste waters into surface waters affecting water quality in sensitive areas; (5) indicators and values of acceptable pollution of surface water sources that are used or are expected to be used as sources of drinking water; (6) indicators and values of acceptable surface water pollution that are appropriate for life and reproduction of native species of fish and other aquatic animals; (7) indicators and values of acceptable pollution of surface water used for bathing; (8) environmental quality standards for priority substances and some other pollutants; (9) requirements and conditions of the permit for discharge of waste water into surface and sewerage; (10) the list of priority substances and priority hazardous substances; (11) the best available technologies in urban waste water disposal and conditions of use.