樞紐工程由大壩(ba)(ba)、副(fu)壩(ba)(ba)(原(yuan)非常(chang)溢洪(hong)道)、溢洪(hong)道、南(nan)、北(bei)灌溉輸水(shui)(shui)管、電(dian)站(zhan)等建筑(zhu)物組成。大壩(ba)(ba)系碾壓式(shi)均質土(tu)壩(ba)(ba),最大壩(ba)(ba)高35.3米(mi)(mi)(mi)(mi)(mi),壩(ba)(ba)頂高程88米(mi)(mi)(mi)(mi)(mi),壩(ba)(ba)頂長(chang)450米(mi)(mi)(mi)(mi)(mi);副(fu)壩(ba)(ba)(原(yuan)非常(chang)溢洪(hong)道)位(wei)于大壩(ba)(ba)左端,圍(wei)漿砌(qi)石堰(yan),堰(yan)頂高程78米(mi)(mi)(mi)(mi)(mi),溢流長(chang)度50米(mi)(mi)(mi)(mi)(mi),堰(yan)體上填筑(zhu)的是松散(san)坡積土(tu),斷面(mian)單薄,不到自(zi)(zi)破水(shui)(shui)位(wei)(1000年一遇(yu)洪(hong)水(shui)(shui)位(wei))就(jiu)有自(zi)(zi)潰(kui)的危險,加固設計(ji)中已建議(yi)改成副(fu)壩(ba)(ba);溢洪(hong)道布(bu)置在(zai)大壩(ba)(ba)左側(ce),為(wei)(wei)(wei)(wei)寬(kuan)(kuan)頂堰(yan)型,堰(yan)頂高程80米(mi)(mi)(mi)(mi)(mi),溢流長(chang)度64米(mi)(mi)(mi)(mi)(mi),其(qi)上布(bu)置8孔7.1×3米(mi)(mi)(mi)(mi)(mi)(寬(kuan)(kuan)×高)的平板鋼(gang)(gang)閘門;南(nan)涵(han)管位(wei)于大壩(ba)(ba)右端,為(wei)(wei)(wei)(wei)發電(dian)、灌溉輸水(shui)(shui)管,系深(shen)埋式(shi)鋼(gang)(gang)筋混(hun)凝(ning)土(tu)壓力圓管,內徑(jing)2.4米(mi)(mi)(mi)(mi)(mi),后(hou)分發電(dian)和(he)灌溉兩條支管, 其(qi)過流量分別為(wei)(wei)(wei)(wei)28.5和(he)18秒立米(mi)(mi)(mi)(mi)(mi);北(bei)涵(han)灌溉輸水(shui)(shui)管布(bu)置在(zai)副(fu)壩(ba)(ba)底部,為(wei)(wei)(wei)(wei)鋼(gang)(gang)筋混(hun)凝(ning)土(tu)無壓圓管,直徑(jing)2米(mi)(mi)(mi)(mi)(mi),長(chang)75米(mi)(mi)(mi)(mi)(mi),設計(ji)引(yin)用流量12秒立米(mi)(mi)(mi)(mi)(mi);電(dian)站(zhan)為(wei)(wei)(wei)(wei)壩(ba)(ba)后(hou)式(shi),裝機(ji)3臺1360千瓦(wa)機(ji)組,多年平均發電(dian)量915萬(wan)千瓦(wa)小時。