公(gong)(gong)平(ping)水(shui)(shui)庫(ku)是一宗綜合(he)利用水(shui)(shui)資源的(de)國家(jia)大(da)(da)型(xing)水(shui)(shui)庫(ku).始(shi)建(jian)(jian)于(yu)1959年10月,地處海豐(feng)四大(da)(da)水(shui)(shui)系之一的(de)黃江河(he)中(zhong)部,西(xi)連公(gong)(gong)平(ping)鎮,東鄰平(ping)東鎮,北(bei)接黃羌鎮.西(xi)距公(gong)(gong)平(ping)墟1公(gong)(gong)里,南距廣汕(shan)公(gong)(gong)路10公(gong)(gong)里,海豐(feng)縣城(cheng)15公(gong)(gong)里,至汕(shan)尾市40公(gong)(gong)里.水(shui)(shui)庫(ku)工(gong)(gong)程直接捍衛著(zhu)下游30萬(wan)人(ren)(ren)民生命(ming)財產(chan)和2萬(wan)公(gong)(gong)頃農(nong)(nong)田(tian)設(she)(she)施安(an)全(quan),擔負(fu)著(zhu)汕(shan)尾市區、公(gong)(gong)平(ping)、可塘、赤坑等城(cheng)鎮工(gong)(gong)業和30萬(wan)城(cheng)鎮居(ju)民的(de)生活供水(shui)(shui)重任。設(she)(she)計(ji)灌溉(gai)農(nong)(nong)田(tian)面(mian)積14466.67公(gong)(gong)頃,現灌溉(gai)農(nong)(nong)田(tian)11200公(gong)(gong)頃,占全(quan)縣農(nong)(nong)田(tian)面(mian)積的(de)40%;電力裝機容量3140千瓦,年設(she)(she)計(ji)發(fa)電量600千瓦時、水(shui)(shui)庫(ku)黨委(wei)、管理處下轄一個大(da)(da)型(xing)灌區、一個農(nong)(nong)村行政管理區、一座中(zhong)型(xing)水(shui)(shui)庫(ku)、M宗小型(xing)水(shui)(shui)庫(ku),現有人(ren)(ren)口 2242人(ren)(ren)。建(jian)(jian)庫(ku)以來,對(dui)根治黃江河(he)洪患,保護國家(jia)和人(ren)(ren)民生命(ming)財產(chan)安(an)全(quan),為(wei)海豐(feng)縣乃(nai)至汕(shan)尾市的(de)工(gong)(gong)農(nong)(nong)業生產(chan)、經濟建(jian)(jian)設(she)(she)、人(ren)(ren)民生活諸方面(mian)充(chong)分發(fa)揮了(le)重大(da)(da)的(de)安(an)全(quan)效益、經濟效益和社會效益。
水庫(ku)(ku)工程集雨面積(ji)317平方公(gong)(gong)里(li),占(zhan)黃(huang)江河(he)(he)流域總(zong)面積(ji)的(de)(de)(de)41.9%,占(zhan)海(hai)豐北部(bu)山區(qu)丘陵面積(ji)的(de)(de)(de)64%,攔截了過(guo)去洶如猛獸、孽虐海(hai)豐大地(di)的(de)(de)(de)羅水。黃(huang)江上(shang)游的(de)(de)(de)東(dong)平河(he)(he)、南門河(he)(he)、松(song)林河(he)(he)、黃(huang)羌河(he)(he)、西(xi)坑(keng)河(he)(he)匯(hui)集于(yu)一(yi)庫(ku)(ku)。大壩全長(chang)6147米(mi),設計總(zong)庫(ku)(ku)容(rong)3.38億立(li)(li)方米(mi),正常庫(ku)(ku)容(rong)1.63億立(li)(li)方米(mi),年產水量4~7億立(li)(li)方十。60公(gong)(gong)里(li)的(de)(de)(de)總(zong)干渠,猶如飛舞的(de)(de)(de)銀(yin)緞穿山越(yue)嶺橫跨公(gong)(gong)平、城東(dong)、可(ke)塘、陶河(he)(he)、赤坑(keng)及(ji)至市城區(qu)的(de)(de)(de)東(dong)沖、田乾、遮浪,蜿蜒(yan)伸進(jin)東(dong)南沿海(hai)地(di)區(qu).