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The notice required that the Taihu Lake, Chaohu Lake, Dianchi Lake, the Three Gorges Reservoir Area, the Xiaolangdi Reservoir Area, and the Danjiangkou Reservoir Area should continue to be the focus of protection, and water conservation work such as Hongze Lake, Poyang Lake, Dongting Lake, and Bohai Sea should be strengthened. By 2010, the trend of increasing eutrophication in key lakes will be curbed and water quality will be improved. By 2030, the natural landscape of key lake areas will be restored to a beautiful landscape.
The notification requires that local people's governments at all levels of key lake basins should step up efforts to eliminate the backward production capacity of papermaking, brewing, printing and dyeing, leather making, medicine, beneficiation, and various types of chemical industries. By the end of 2008, all discharge units will be required to complete the issuance of permits for discharge of pollutants, and enterprises that have not reached the discharge permit requirements shall be subject to restricted production limits. Enterprises that exceed the standards for discharge of water pollutants shall complete the treatment by the end of June 2008; if the overdue period is not completed, the production will be suspended or rectified or the company will be shut down according to law.
The notice also requires that in the key lake basins, new and under construction sewage treatment plants in cities and towns must be equipped with nitrogen and phosphorus removal facilities to ensure that the effluent water quality meets the first-grade emission standards; the existing sewage treatment plants are to complete denitrification by the end of 2010. In addition to phosphorus transformation, the effluent water quality meets the required emission standards. Sales and use of phosphorus-containing detergents are prohibited in key lake basins.
The circular pointed out that local people's governments in key lake basins must control rural and non-point source pollution. Within the range of one kilometer above the maximum water level of the key lakes, agricultural activities such as planting vegetables and flowers are strictly controlled in units of areas with large amounts of fertilizers, and the use of highly toxic and high-residue pesticides is strictly prohibited.
The General Office of the State Council issued a notice a few days ago to forward the “Opinions on Strengthening the Water Environmental Protection Work of Key Lakes†issued by the State Environmental Protection Administration, the Development and Reform Commission, the Ministry of Finance, the Ministry of Construction, and the Ministry of Water Resources, setting targets and time limits for the water environment management of key lakes in China.