广东水资源总量

包括深圳
2025-03-06 12:13:09
推荐回答(1个)
回答(1):

水源布局
一、概况
深圳市人均占有水资源量仅为240m3,约为全国人均占有量的五分之一, 是一座严重缺水的城市。近十年来,通过不懈努力,初步建成了以境外东江引水为主、本地水库蓄水为补充的水源供应网络,基本保障了我市经济发展对水的需求。截止2003年底,全市已形成的水资源可供能力为15.7亿m3,2003年我市实际耗用水资源量为14.25亿m3,水资源可供量略有余地。但是,同时应该看到,2003年我市的城市供水增长率为13.6%,创十年来最高,部分区域由于工程措施原因,仍然存在缺水的局面。根据我市水资源规划,2010年我市需水量为19.43亿m3,其中有15.93亿m3将依靠东深供水工程和东江水源工程以东江引入。如果我市城市供水量持续2003年的增长速度,预计到2008年,我市将出现新的水资源短缺问题。因此,无论从当前还是长远来看,解决好水资源供应问题,是关系我市经济可持续发展的至关重要的问题。
二、我市水资源利用现状
1、本地水资源概况
我市现有水库196座,其中中型水库(库容1000万m3以上9座),小一型水库(库容100-1000万m3)65座,小二型水库(库容10-100万m3)121座。最大的水库为铁岗水库,有效库容仅为4900万m3。主要供水水库为中型水库,总库容为3.275亿m3。
我市地下水资源贫乏,全市地下水可开采总量为1.92亿m3,但不具备规模开采条件,可供量约为0.6亿m3/年。
全市现状本地水资源在97%保证率下可供量约为1.96亿m3。
2、境外调水工程
省水利厅批准我市可以从东江取水总量为15.93亿m3/年,现状已经形成了12.23亿m3/年的供水能力。其中,由粤港供水公司经营管理的东深供水工程可向我市供水量8.73亿m3/年,我市东江水源工程已建成的一期工程可供水量为3.5亿m3/年。目前正在筹建的二期工程供水规模为3.7亿m3/年。
2003年东江供水工程和东江水源工程共向我区供水总量为8.35 亿m3。
3、原水输配水系统
根据水源规划,围绕东深和东部二大水源工程建设供水支线,完成输配水体系,实行境外水源的分配,是保障供水的重要环节。目前已建成的有铁岗至石岩支线、石岩至松岗支线、坪地支线、横岗调蓄工程等。正在建议的有梅林支线、笔架山支线、龙茜供水工程、大鹏半岛支线、大工业城支线、獭湖支线、盐田支线和北线引水工程正在开展前期工作。
4、城市自来水供水概况
至2003年底,全市共有26家供水企业,水厂58座,自来水生产能力为442.2万m3/日。2003年全市自来水供水总量为12.28亿m3 ,平均每日供水量336万m3,比2002年增长13.6%,其中特区内供水总量为5.23亿m3,增幅5.9%,宝安区供水总量为3.96亿m3,增幅15.5%,龙岗区供水总量3.09亿m3,增幅26.6%

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