摘要
根据"全国城市饮用水水源地安全保障规划"成果,对全国城市地表水饮用水水源地水质进行分析评价。评价采用最差因子评价法,即以多个水质评价因子中最差因子的水质类别作为水源地综合评价的水质类别。评价结果显示,全国约有55%的地表水水源地水质不合格。超标项目以有机污染为主。河流型的水源地水质状况比水库型的差。超标严重的河流型水源地主要集中在南方地区,超标严重的水库型水源地主要集中在北方地区。
Based on the achievements of the Safeguard Planning for Urban Drinking Water Sources in China, the water quality of surface drinking water sources is analyzed. The worst-factor assessment method is used; that is, the water quality grade of the worst factor is taken as the water quality grade of the whole water source. The water quality assessment shows that 55 % of the water sources fail to reach the water quality standard and organic pollutants are the main cause. The water quality of water sources is worse in rivers than in reservoirs, and the water sources beyond the water quality standard are mainly in southern China for rivers and northern China for reservoirs.
出处
《水资源保护》
CAS
2009年第2期1-4,68,共5页
Water Resources Protection
关键词
水质评价
地表水
水源地
城镇
中国
water quality assessment
surface water
water sources
cities and towns
China
