盐城市城南新区水环境问题分析及对策措施讨论

Water environment is a very important part of city development and construction, the aggravation of water pollution has become the important element restricting social and economic sustainable development and impacting people’s health directly. The present situation of new developed area on the south of the city of Yancheng is introduced, the area is typical plain river-net area with poor water quality of the inner watercourses, the primary exceeding standard factor is NH3-N, but the water quality of Tongyu river can reach Ⅲ class river. Existing problems on water environment of the area are analyzed, including the lack of the abilities of sewage collection and flood and waterlogging prevention, soil erosion, unbalance condition of environment along rivers and city development. The countermeasures of improving the water environment are discussed. Starting with water environment functions of rivers, countermeasures should be combined with some corresponding engineering measures and some other non-engineering measures, such as realigning rivers, enhancing abilities of sewage collection and flood and waterlogging prevention, water diversion, constructing ecological landscape and making relevant policies. The ultimate aim of improvement is to maximize economic and ecological benefits.