南車水(shui)(shui)庫開發(fa)目標以灌溉為主,結合(he)防洪(hong)、發(fa)電(dian)(dian)(dian)、水(shui)(shui)產(chan)養殖。設計灌溉面(mian)(mian)積(ji)(ji)(ji)2.04萬(wan)(wan)公頃;水(shui)(shui)電(dian)(dian)(dian)站裝機容量1.28萬(wan)(wan)千(qian)瓦,多年(nian)平均(jun)年(nian)發(fa)電(dian)(dian)(dian)量3894千(qian)瓦時。水(shui)(shui)庫正常蓄水(shui)(shui)位(wei)160米(mi),防洪(hong)限制(zhi)水(shui)(shui)位(wei)159.5米(mi),死(si)水(shui)(shui)位(wei)142米(mi),設計洪(hong)水(shui)(shui)位(wei)160.74米(mi),校核洪(hong)水(shui)(shui)位(wei)163.13米(mi),總庫容1.53億立方(fang)米(mi),正常蓄水(shui)(shui)位(wei)相應水(shui)(shui)面(mian)(mian)面(mian)(mian)積(ji)(ji)(ji)8.9平方(fang)千(qian)米(mi)、庫容1.23億立方(fang)米(mi),興利庫容9490萬(wan)(wan)立方(fang)米(mi),死(si)庫容2810萬(wan)(wan)立方(fang)米(mi);年(nian)調(diao)節河道型水(shui)(shui)庫,年(nian)平均(jun)淤積(ji)(ji)(ji)量1.1萬(wan)(wan)噸(dun),2006年(nian)12月,水(shui)(shui)質達二類(lei)地表水(shui)(shui)標準(zhun)。
工程由大壩(ba)(ba)、副壩(ba)(ba)、溢洪道(dao)、發電引水系統、電站廠(chang)房組成(cheng)。主壩(ba)(ba)為鋼(gang)筋混(hun)凝土面板堆(dui)石壩(ba)(ba),壩(ba)(ba)頂(ding)高程164米(mi)(mi),最大壩(ba)(ba)高60米(mi)(mi),壩(ba)(ba)頂(ding)長191.5米(mi)(mi),寬7米(mi)(mi),副壩(ba)(ba)2處(chu)(chu),絲茅坳(ao)副壩(ba)(ba),位(wei)(wei)(wei)(wei)于(yu)(yu)(yu)主壩(ba)(ba)左(zuo)側3千米(mi)(mi)處(chu)(chu),有孚(fu)口副壩(ba)(ba)位(wei)(wei)(wei)(wei)于(yu)(yu)(yu)主壩(ba)(ba)左(zuo)側13千米(mi)(mi)處(chu)(chu)。溢洪道(dao)位(wei)(wei)(wei)(wei)于(yu)(yu)(yu)主壩(ba)(ba)左(zuo)側緊(jin)靠壩(ba)(ba)頭處(chu)(chu)。開(kai)敞式實(shi)用堰。堰頂(ding)高程150米(mi)(mi)。發電引水系統位(wei)(wei)(wei)(wei)于(yu)(yu)(yu)主壩(ba)(ba)左(zuo)側90米(mi)(mi)山體,為導流、發電、防空三結合隧洞。電站廠(chang)房位(wei)(wei)(wei)(wei)于(yu)(yu)(yu)大壩(ba)(ba)左(zuo)側下游100米(mi)(mi)處(chu)(chu)。