金哲 毕爱民 陈元刚等
摘 要:加强饮用水源地环境风险防范,是保障人民群众饮水安全和水源地可持续开发利用的重要举措。该文在对南京市县级以上集中式饮用水源地环境状况评估基础上,从区位自然条件、污染现状、监管应急能力等方面对饮用水源地环境风险进行了识别与评估,分析了存在问题,并提出了有效防范环境风险的对策建议,对饮用水源地环境风险防范工作有一定的借鉴意义。
关键词:饮用水源地;环境风险评估;对策研究
中图分类号 TU991 文献标识码 A 文章编号 1007-7731(2015)06-103-03
Evaluation and Countermeasures Research of Environmental Risk at or above the County Level Centralized Drinking Water Sources in Nanjing City
Jin Zhe1 et al.
(1Nanjing Research Institute of Environmental Protection,Nanjing 210013,China)
Abstract:Strengthening the drinking water source environmental risk prevention,is an important measure to guarantee the sustainable development and utilization of the safety of drinking water masses and the source of.The assessment is based in Nanjing city at or above the county level centralized drinking water sources on the environmental condition,identification and evaluation of the drinking water source environmental risk from the regional natural condition,pollution status,supervision and emergency ability,analyse the existing problems,put forward some countermeasures and suggestions to effectively prevent environmental risks,have certain reference meanings to the drinking water source of environmental risk prevention work.
Key words:Drinking water sources;Environmental risk assessment;Countermeasure research
南京是长江下游的中心城市,是中国东部地区的综合性工业基地和科教文化中心,目前的支柱产业为电子、汽车、石化、钢铁、电力等。由于产业带多集中于长江沿岸区域,这样的产业结构布局给集中式饮用水源地的保护和风险防范工作带来了极大压力。因此,确保集中式饮用水源地环境安全,防范各类涉及饮用水源地的突发事件,深入开展相关评估及对策研究工作是十分必要的。
1 水源地环境现状概述
1.1 水源地及主要水厂概况 南京市县级以上集中式饮用水水源地共10个,其中夹江水源地、燕子矶水源地和八卦洲(左汊)上坝水源地、江浦、浦口水源地、江宁子汇洲水源地、龙潭水源地(拟建)、八卦洲(主江段)备用水源地、桥林备用水源地8个水源地类型为河流型,属于长江南京段;中山水库及方便水库水源地类型为水库型,固城湖水源地类型为湖泊型(表1)。……