太仓市饮用水水源污染现状和对策

根据太仓市饮用水地表水源和地下水的监测数据，分别采用单因子评价和综合评价方法，对饮用水源的水质进行评价。结果认为地表水水源已受到轻度污染，属Ⅲ类水；地下水的水质较差，已不适合于直接饮用。饮用水水源的主要污染物为COD、氨氮、挥发酚、硝酸盐氮和高锰酸盐指数。对饮用水水源的污染成因进行了全面分析，并从四个方面提出了水源安全保护对策：法律法规与行政手段、技术支撑、经济支持和宣传教育.

Current Situation and Control Strategies of the Raw Water for Drinking Water Supply in Taicang City

Through the analysis of monitoring results, the raw water quality for drinking water supply in Taicang city was evaluated by means of monomial index and comprehensive index. The resul showed that the surface water has been lightly polluted and the groundwater quality was relatively poor. So the groundwater in Taicang city was not appropriate to be the source of direct drinking watet. The main pollutants were the chemical oxygen demand, ammonia, volatile phenolic compounds, nitrate and permanganate index. Then the pollution causes were analyzed. Some strategies for water pollution control were finally proposed from four ways.