南車(che)水(shui)庫(ku)開發(fa)目標以(yi)灌溉為(wei)主,結合防洪(hong)(hong)、發(fa)電(dian)、水(shui)產養(yang)殖。設(she)計灌溉面積2.04萬公頃;水(shui)電(dian)站裝(zhuang)機容(rong)(rong)量(liang)1.28萬千瓦(wa),多年(nian)(nian)平(ping)均(jun)年(nian)(nian)發(fa)電(dian)量(liang)3894千瓦(wa)時。水(shui)庫(ku)正常蓄水(shui)位(wei)(wei)160米(mi)(mi)(mi),防洪(hong)(hong)限制水(shui)位(wei)(wei)159.5米(mi)(mi)(mi),死水(shui)位(wei)(wei)142米(mi)(mi)(mi),設(she)計洪(hong)(hong)水(shui)位(wei)(wei)160.74米(mi)(mi)(mi),校(xiao)核洪(hong)(hong)水(shui)位(wei)(wei)163.13米(mi)(mi)(mi),總(zong)庫(ku)容(rong)(rong)1.53億(yi)立(li)方米(mi)(mi)(mi),正常蓄水(shui)位(wei)(wei)相應水(shui)面面積8.9平(ping)方千米(mi)(mi)(mi)、庫(ku)容(rong)(rong)1.23億(yi)立(li)方米(mi)(mi)(mi),興(xing)利庫(ku)容(rong)(rong)9490萬立(li)方米(mi)(mi)(mi),死庫(ku)容(rong)(rong)2810萬立(li)方米(mi)(mi)(mi);年(nian)(nian)調(diao)節河道型水(shui)庫(ku),年(nian)(nian)平(ping)均(jun)淤積量(liang)1.1萬噸,2006年(nian)(nian)12月,水(shui)質達二類地(di)表水(shui)標準(zhun)。
工程由大(da)(da)壩(ba)(ba)(ba)、副壩(ba)(ba)(ba)、溢洪道、發(fa)(fa)電引水(shui)系(xi)統(tong)(tong)、電站廠房(fang)組成。主(zhu)壩(ba)(ba)(ba)為鋼筋混凝土面板堆石壩(ba)(ba)(ba),壩(ba)(ba)(ba)頂(ding)(ding)高程164米(mi),最大(da)(da)壩(ba)(ba)(ba)高60米(mi),壩(ba)(ba)(ba)頂(ding)(ding)長191.5米(mi),寬7米(mi),副壩(ba)(ba)(ba)2處(chu)(chu),絲茅坳副壩(ba)(ba)(ba),位(wei)于(yu)(yu)主(zhu)壩(ba)(ba)(ba)左(zuo)側3千米(mi)處(chu)(chu),有(you)孚口副壩(ba)(ba)(ba)位(wei)于(yu)(yu)主(zhu)壩(ba)(ba)(ba)左(zuo)側13千米(mi)處(chu)(chu)。溢洪道位(wei)于(yu)(yu)主(zhu)壩(ba)(ba)(ba)左(zuo)側緊靠(kao)壩(ba)(ba)(ba)頭處(chu)(chu)。開(kai)敞式實用堰。堰頂(ding)(ding)高程150米(mi)。發(fa)(fa)電引水(shui)系(xi)統(tong)(tong)位(wei)于(yu)(yu)主(zhu)壩(ba)(ba)(ba)左(zuo)側90米(mi)山體,為導流、發(fa)(fa)電、防空(kong)三結合隧洞。電站廠房(fang)位(wei)于(yu)(yu)大(da)(da)壩(ba)(ba)(ba)左(zuo)側下(xia)游100米(mi)處(chu)(chu)。