南車水(shui)(shui)(shui)(shui)(shui)庫(ku)(ku)開發目標以灌溉(gai)為(wei)主,結(jie)合(he)防洪(hong)、發電(dian)、水(shui)(shui)(shui)(shui)(shui)產養殖。設計灌溉(gai)面積(ji)2.04萬(wan)公頃;水(shui)(shui)(shui)(shui)(shui)電(dian)站(zhan)裝(zhuang)機容(rong)量1.28萬(wan)千(qian)瓦(wa)(wa),多年(nian)(nian)平均年(nian)(nian)發電(dian)量3894千(qian)瓦(wa)(wa)時(shi)。水(shui)(shui)(shui)(shui)(shui)庫(ku)(ku)正常蓄水(shui)(shui)(shui)(shui)(shui)位(wei)(wei)160米(mi),防洪(hong)限制水(shui)(shui)(shui)(shui)(shui)位(wei)(wei)159.5米(mi),死(si)水(shui)(shui)(shui)(shui)(shui)位(wei)(wei)142米(mi),設計洪(hong)水(shui)(shui)(shui)(shui)(shui)位(wei)(wei)160.74米(mi),校核洪(hong)水(shui)(shui)(shui)(shui)(shui)位(wei)(wei)163.13米(mi),總庫(ku)(ku)容(rong)1.53億立方米(mi),正常蓄水(shui)(shui)(shui)(shui)(shui)位(wei)(wei)相應水(shui)(shui)(shui)(shui)(shui)面面積(ji)8.9平方千(qian)米(mi)、庫(ku)(ku)容(rong)1.23億立方米(mi),興利庫(ku)(ku)容(rong)9490萬(wan)立方米(mi),死(si)庫(ku)(ku)容(rong)2810萬(wan)立方米(mi);年(nian)(nian)調節河道型水(shui)(shui)(shui)(shui)(shui)庫(ku)(ku),年(nian)(nian)平均淤積(ji)量1.1萬(wan)噸,2006年(nian)(nian)12月,水(shui)(shui)(shui)(shui)(shui)質達二類地表水(shui)(shui)(shui)(shui)(shui)標準。
工程由大(da)壩(ba)(ba)、副(fu)壩(ba)(ba)、溢(yi)洪道、發(fa)電(dian)引(yin)水系統、電(dian)站廠(chang)房組成。主壩(ba)(ba)為(wei)鋼筋混凝土(tu)面板(ban)堆石(shi)壩(ba)(ba),壩(ba)(ba)頂(ding)高(gao)程164米(mi),最大(da)壩(ba)(ba)高(gao)60米(mi),壩(ba)(ba)頂(ding)長191.5米(mi),寬7米(mi),副(fu)壩(ba)(ba)2處(chu),絲茅坳副(fu)壩(ba)(ba),位(wei)(wei)于(yu)主壩(ba)(ba)左(zuo)側3千米(mi)處(chu),有(you)孚口副(fu)壩(ba)(ba)位(wei)(wei)于(yu)主壩(ba)(ba)左(zuo)側13千米(mi)處(chu)。溢(yi)洪道位(wei)(wei)于(yu)主壩(ba)(ba)左(zuo)側緊(jin)靠壩(ba)(ba)頭處(chu)。開(kai)敞式(shi)實用堰。堰頂(ding)高(gao)程150米(mi)。發(fa)電(dian)引(yin)水系統位(wei)(wei)于(yu)主壩(ba)(ba)左(zuo)側90米(mi)山體(ti),為(wei)導流、發(fa)電(dian)、防空(kong)三結合隧洞。電(dian)站廠(chang)房位(wei)(wei)于(yu)大(da)壩(ba)(ba)左(zuo)側下游(you)100米(mi)處(chu)。