新华社北京７月２３日电（记者关桂峰）北京市防汛指挥部副指挥长潘安君２２日晚通报，“７·２１”强暴雨天气给北京市带来严重损失，但是降水也给全市１７座大中型水库提供来水５３００万方，经多种措施调蓄雨洪获得可利用水资源量约９亿立方米。

    Beijing, July 23 (Reuters)（Reporter GuanGuiFeng）The flood control headquarters vice ZhiHuiChang PanAnJun 22 reported late，“7 · 21”Strong storm weather to bring serious loss of Beijing，But also to the whole city and precipitation a large and medium-sized water reservoir with 53 million party，After many kinds of measures to regulate rainfall flood water quantity available for about 900 million cubic meters。

    据介绍，相关部门通过利用湖泊滞蓄、河道调度、雨洪利用设施储蓄、加大入渗等多种措施，可利用水资源量初步测算可达到约９亿立方米。此次降雨，密云水库来水２１５５万方，官厅水库降水１１７万方。

    According to introducing，Relevant departments through the use of lakes sluggish storage、River scheduling、Rainfall flood use facilities savings、Increase the infiltration and so on many kinds of measures，Preliminary estimates useable water resources can be up to about 900 million cubic meters。The rain，Miyun reservoir water 21.55 million party，Guanting reservoir precipitation 1.17 million party。

    截至２３日８时，北京市水务局提供的数据显示，密云水库水位１３７．１米，蓄水量约１１．５亿立方米；官厅水库水位４７０．５米，蓄水量１．３亿立方米。

    At 23, when 8，Beijing water authority to provide the data show，Miyun reservoir water level 137.1 meters，New zhuyin water is about 1.15 billion cubic meters；Guanting reservoir water level 470.5 meters，New zhuyin water of 130 million cubic meters。

    潘安君说，经科学调度，三家店拦河闸累计下泄水量７８万方；城市河湖昆玉段通过安河闸实施北分洪，最大分洪流量４０立方米每秒；北运河最大行洪流量１７００立方米每秒，下泄水量４４３５万方。目前，城区河道超历史最高水位运行，石景山人民渠、丰台区旱河、丰草河、马草河漫溢。

    PanAnJun said，The scientific control，Three stores HeZha block the release of accumulative total of 780000 party；KunYu section of the city by Ann HeZha implementation water north，40 cubic meters per second largest water flow；North canal flood of 1700 cubic meters per second largest flow，The release of 44.35 million party of water。At present，Urban ChaoLiShi river highest level operation，Shijingshan people's canal、Fengtai district dry river、Abundant grass river、The horse grass river overflow。