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水庫概況

八河(he)水(shui)庫(ku)(ku)位(wei)于山東省威海榮成市，始建于1978年(nian)(nian)，是一座大型海灣(wan)水(shui)庫(ku)(ku)，地處王(wang)連河(he)下游(you)八河(he)港灣(wan)處，控制(zhi)流域面積256平方千(qian)米(mi)，原設計總庫(ku)(ku)容4570萬立方米(mi)，調節庫(ku)(ku)容890萬立方米(mi)，死庫(ku)(ku)容140萬立方米(mi)，工(gong)程(cheng)標準為(wei)百年(nian)(nian)一遇(yu)洪(hong)水(shui)設計，五(wu)百年(nian)(nian)一遇(yu)洪(hong)水(shui)校核。

2000年(nian)水(shui)(shui)(shui)利部批準榮成市(shi)(shi)八河水(shui)(shui)(shui)庫(ku)(ku)擴建(jian)(jian)工(gong)(gong)程項目建(jian)(jian)議書(shu)，2001年(nian)6月15日山(shan)東省(sheng)計(ji)(ji)委與山(shan)東省(sheng)水(shui)(shui)(shui)利廳(ting)以魯(lu)水(shui)(shui)(shui)重(zhong)點[2001]588號文批復了(le)榮成市(shi)(shi)八河水(shui)(shui)(shui)庫(ku)(ku)擴建(jian)(jian)工(gong)(gong)程初步設計(ji)(ji)，八河水(shui)(shui)(shui)庫(ku)(ku)擴建(jian)(jian)工(gong)(gong)程包(bao)括(kuo)主壩、副壩、溢(yi)洪(hong)(hong)閘三(san)個單位(wei)工(gong)(gong)程，工(gong)(gong)程等(deng)別(bie)為Ⅱ等(deng)，主要建(jian)(jian)筑物級(ji)別(bie)為二級(ji)。擴建(jian)(jian)后的八河水(shui)(shui)(shui)庫(ku)(ku)防洪(hong)(hong)標準為五十年(nian)一遇(yu)洪(hong)(hong)水(shui)(shui)(shui)設計(ji)(ji)，三(san)百(bai)年(nian)一遇(yu)洪(hong)(hong)水(shui)(shui)(shui)校核(he)；設計(ji)(ji)總庫(ku)(ku)容為1.06億立(li)(li)方(fang)米(mi)(mi) ，校核(he)洪(hong)(hong)水(shui)(shui)(shui)位(wei)7.05米(mi)(mi)（黃海高(gao)程，下(xia)同）；調節庫(ku)(ku)容7105.0萬立(li)(li)方(fang)米(mi)(mi)，正常蓄水(shui)(shui)(shui)位(wei)6.10米(mi)(mi)；死庫(ku)(ku)容1145.0萬立(li)(li)方(fang)米(mi)(mi)，死水(shui)(shui)(shui)位(wei)1.90米(mi)(mi)。城市(shi)(shi)供(gong)(gong)水(shui)(shui)(shui)規(gui)模為每(mei)日4.0萬噸，多年(nian)平均供(gong)(gong)水(shui)(shui)(shui)量1394.0萬立(li)(li)方(fang)米(mi)(mi)，供(gong)(gong)水(shui)(shui)(shui)保(bao)證率(lv)95%；農業(ye)供(gong)(gong)水(shui)(shui)(shui)保(bao)證灌溉面積10.0萬畝，多年(nian)平均供(gong)(gong)水(shui)(shui)(shui)量1652.0萬立(li)(li)方(fang)米(mi)(mi)，供(gong)(gong)水(shui)(shui)(shui)保(bao)證率(lv)50%。

為(wei)有效緩(huan)解榮成(cheng)(cheng)(cheng)市水(shui)(shui)資源緊(jin)缺狀況的(de)(de)需要(yao)，同時滿足現代化(hua)水(shui)(shui)網和水(shui)(shui)生態文明(ming)城市建設的(de)(de)需要(yao)，榮成(cheng)(cheng)(cheng)計劃在(zai)保證(zheng)水(shui)(shui)庫(ku)(ku)安(an)全的(de)(de)前(qian)提下，適度抬高水(shui)(shui)庫(ku)(ku)蓄(xu)水(shui)(shui)位，擴(kuo)大庫(ku)(ku)容。目前(qian)八河水(shui)(shui)庫(ku)(ku)的(de)(de)警戒(jie)水(shui)(shui)位是2.5米，此次擴(kuo)容工(gong)(gong)(gong)(gong)(gong)程(cheng)采取抬田方式將(jiang)蓄(xu)水(shui)(shui)位提高至4.5米，大壩、溢(yi)洪(hong)閘(zha)等主體工(gong)(gong)(gong)(gong)(gong)程(cheng)無需改造。抬田工(gong)(gong)(gong)(gong)(gong)程(cheng)主要(yao)是將(jiang)處(chu)于淹沒(mei)區(qu)的(de)(de)耕(geng)(geng)地(di)(di)普遍抬高，并開辟(pi)新(xin)的(de)(de)耕(geng)(geng)地(di)(di)，并配(pei)套完(wan)善的(de)(de)灌溉、排水(shui)(shui)設施，形成(cheng)(cheng)(cheng)“旱能灌、澇能排”的(de)(de)高標準農田。抬田工(gong)(gong)(gong)(gong)(gong)程(cheng)在(zai)許多水(shui)(shui)利(li)樞紐(niu)地(di)(di)區(qu)已(yi)經取得成(cheng)(cheng)(cheng)功，有效減(jian)少了(le)耕(geng)(geng)地(di)(di)淹沒(mei)。據(ju)介紹，待各項前(qian)期工(gong)(gong)(gong)(gong)(gong)作籌備好后，該工(gong)(gong)(gong)(gong)(gong)程(cheng)就開工(gong)(gong)(gong)(gong)(gong)，預計工(gong)(gong)(gong)(gong)(gong)期為(wei)1年(nian)(nian) ，將(jiang)于2016年(nian)(nian)1月完(wan)工(gong)(gong)(gong)(gong)(gong)。

水庫效益

八(ba)河(he)(he)(he)水(shui)(shui)庫(ku)(ku)位于崖頭(tou)城區(qu)和石島(dao)(dao)城區(qu)之間，坐(zuo)落于小落河(he)(he)(he)、王連河(he)(he)(he)下游入海口，原八(ba)河(he)(he)(he)港(gang)灣處。往返于兩(liang)城區(qu)時(shi)，市(shi)(shi)民會途經八(ba)河(he)(he)(he)港(gang)大(da)橋，橋下就是(shi)八(ba)河(he)(he)(he)水(shui)(shui)庫(ku)(ku)的泄洪閘門。該水(shui)(shui)庫(ku)(ku)1975年(nian)12月動工興建(jian)，1978年(nian)建(jian)成中型(xing)水(shui)(shui)庫(ku)(ku)，2001年(nian)實施了(le)擴建(jian)工程，2006年(nian)5月省水(shui)(shui)利(li)(li)廳對八(ba)河(he)(he)(he)水(shui)(shui)庫(ku)(ku)擴建(jian)工程進行了(le)竣工驗收(shou)。八(ba)河(he)(he)(he)水(shui)(shui)庫(ku)(ku)目前(qian)是(shi)一座(zuo)集城市(shi)(shi)供(gong)水(shui)(shui)、灌溉、養殖等綜合利(li)(li)用為一體(ti)的大(da)型(xing)水(shui)(shui)庫(ku)(ku)，也是(shi)榮成目前(qian)唯一的大(da)型(xing)水(shui)(shui)庫(ku)(ku)。如今的八(ba)河(he)(he)(he)水(shui)(shui)庫(ku)(ku)是(shi)石島(dao)(dao)城區(qu)重(zhong)要(yao)的生產生活(huo)用水(shui)(shui)水(shui)(shui)源地，并(bing)為滕家鎮(zhen)、嶗山(shan)街(jie)道、王連街(jie)道等鎮(zhen)街(jie)提供(gong)農田灌溉用水(shui)(shui)。