東方(fang)市陀興水庫 位于(yu)(yu)該(gai)市感(gan)恩河的感(gan)城鎮境內,于(yu)(yu)1969年(nian)(nian)5月(yue)開工建設,1977年(nian)(nian)按近期(qi)工程建成。河床溢流(liu)漿砌石重力壩,混(hun)凝土(tu)護面(mian),壩面(mian)長(chang)(chang)度(du)82米(mi),兩岸非溢流(liu)土(tu)壩頂(ding)長(chang)(chang)370米(mi),上(shang)游護坡為干(gan)砌塊石,厚度(du)30厘米(mi),碎石墊層(ceng)厚10厘米(mi)。因地處在西南(nan)山(shan)區,至今仍(reng)完好。放水涵管(guan)(guan)為鋼筋混(hun)凝土(tu)圓管(guan)(guan),管(guan)(guan)徑(jing)2米(mi),壩后水電(dian)站裝(zhuang)機3臺,容(rong)量1125千瓦。 設計(ji)灌(guan)(guan)溉面(mian)積2733公(gong)(gong)頃。現(xian)有(you)干(gan)渠(qu)(qu)道長(chang)(chang)19.6公(gong)(gong)里(混(hun)凝土(tu)防(fang)滲長(chang)(chang)7公(gong)(gong)里),支渠(qu)(qu)道長(chang)(chang)38公(gong)(gong)里(混(hun)凝土(tu)防(fang)滲長(chang)(chang)22公(gong)(gong)里),渠(qu)(qu)堤通車里程18公(gong)(gong)里。現(xian)灌(guan)(guan)溉面(mian)積1600公(gong)(gong)頃。 該(gai)水庫為大(da)廣(guang)壩灌(guan)(guan)區陀興灌(guan)(guan)溉系統的渠(qu)(qu)首工程,將擴(kuo)建為大(da)(2)型(xing)水庫,并建那文隧洞由大(da)廣(guang)壩水庫補水。