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1水资源状况据资料表明,郑州市水资源总量为21．06亿m~3。人均资源占有量仅230m~3,是全国水平的1/10,按国际上一般承认的标准,人均水资源量低于1700m~3,为用水紧张地区,因此,郑州市未来水资源的形势是严峻的。以郑州市区而言,是以地表水地下水联合供水的形式,地表水以黄河为主,以水库水为补充,占总供水量的75%,地下水以各单位的自备水并为主,占总供水的25%,而黄河水常因断流、污染、含沙量大等因素影响市区正常供水。
1 Water Resources According to the information, the total water resources in Zhengzhou City is 2.106 billion m ~ 3. Per capita resources occupy only 230m ~ 3, is the national level of 1/10, according to internationally accepted standards, per capita water resources is less than 1700m ~ 3, water-stressed areas, therefore, Zhengzhou City, the future situation of water resources is rigorous. In terms of urban area of Zhengzhou, the surface water is mainly provided by the Yellow River and the reservoir water, accounting for 75% of the total water supply. Groundwater is mainly supplied by all units, Accounting for 25% of the total water supply, and the Yellow River water often due to cut off, pollution, sediment and other factors affecting the normal urban water supply.