37EvaluationguidanceforwaterI 2 2 2 8 8 8 本文件按照GB/T1.1—2020《標準化工作導則第1部分：標準化文件的結(jié)構(gòu)和起草規(guī)則》的規(guī)定1水安全評價指南水安全評價watersecurityeval供水安全watersupplyse水生態(tài)安全waterecologicalse水管理安全watermanagementse重點水利工程keywaterconserva對區(qū)域水資源供給、水災害防控、水生態(tài)保護產(chǎn)生重大作用的各類水利工4評價方法24.1.1水安全評價采用層次分析法確定。4.1.2層次分析法將水安全評價指標b)準則層反映水安全保障的不同方面，針對山東省的特點，準則層分為供水安全、防洪減災安c)指標層是水安全評價的具體量化指4.2評價指標體系4.2.2準則層4.2.3指標層——供水安全層包括區(qū)域用水保障率、城鎮(zhèn)集中供水率、農(nóng)村自來水普及率、集中式飲用水水源——防洪減災安全層包括重點河湖防洪標準達標率、除澇標準達標率、因洪經(jīng)濟損失率、因澇經(jīng)——水生態(tài)安全層包括區(qū)域水面率、重要河湖水功能區(qū)水質(zhì)達標率、水土保持率、地下水超采系——水管理安全層包括萬元區(qū)域生產(chǎn)總值用水量、城鎮(zhèn)公共供水管網(wǎng)漏損率、工業(yè)用水重復利用4.3指標表達式4.3.1供水安全指標4.3.1.1區(qū)域用水保障率4.3.1.2城鎮(zhèn)集中供水率3R集中——集中供水率；P集中總——總?cè)丝?，單位為人?.3.1.3農(nóng)村自來水普及率P農(nóng)村總——農(nóng)村總?cè)丝冢瑔挝粸槿恕?.3.1.4集中式飲用水水源地水質(zhì)達標率SR水源地=×100%················N水源地總——集中式飲用水水源地總數(shù)，單位為個。4.3.2防洪減災安全指標4.3.2.1重點河湖防洪標準達標率總SR防洪=×100%······················································總4.3.2.2除澇標準達標率區(qū)域SR除澇=×100%······················································區(qū)域4S達標——區(qū)域除澇標準達標面積，單位為平方千米（km2S區(qū)域——區(qū)域面積，單位為平方千米（kELR洪=×100%············································ELR洪——因洪經(jīng)濟損失率；RGDP——區(qū)域生產(chǎn)總值，單位為萬元。ELR澇=×100%············································ELR旱=×100%············································4.3.3水生態(tài)安全指標區(qū)域區(qū)域R水——區(qū)域水面率；4.3.3.2重要河湖水功能區(qū)水質(zhì)達標率5SR水功能區(qū)=×100%···········SR水功能區(qū)——重要河湖水功能區(qū)水質(zhì)達標率；N水功能區(qū)總——水功能區(qū)監(jiān)測斷面總個數(shù)，單位為個。4.3.3.3水土保持率S已治理——已治理水土流失面積，單位為平方千米（km2S應治理——應治理水土流失面積，單位為平方千米（km2）。4.3.3.4地下水超采系數(shù)×100%··················k——地下水超采系數(shù)；Q實采——地下水實際開采量，單位為萬立方米每年（14.3.3.5植被覆蓋率土地R植被=×100%·················································土地R濕地——自然濕地保護率；64.3.4水管理安全指標4.3.4.1萬元區(qū)域生產(chǎn)總值用水量GDP=···················································WRGDP——萬元區(qū)域生產(chǎn)總值用水量，單位為立方米每萬元（m3/萬元W總——總用水量，單位為立方米（m34.3.4.2城鎮(zhèn)公共供水管網(wǎng)漏損率4.3.4.3工業(yè)用水重復利用率4.3.4.4灌溉水有效利用系數(shù)毛毛4.3.4.5重點水利工程良性運行率總RWP=×100%·································總74.3.4.6水利監(jiān)測體系覆蓋率R監(jiān)測=(RMC河湖+RMC取用水大戶RMC水源地+RMC水利工程)×100%··································(21)RMC水源地——水源地監(jiān)測體系覆蓋率；河湖RMC河湖=×100%························································河湖RMC取用水大戶=×100%······NM取用水大戶——水資源信息管理系統(tǒng)中監(jiān)測取用水大戶RMC水利工程=×100%····················4.4指標賦分84.5權(quán)重確定方法本文件采用專家打分法確定了各個指標和準則層的建議權(quán)重，宜4.6水安全綜合評價Bi=∑=1(cij×wj)··································Wj——第j個指標的權(quán)重；wSR=∑(Bi×wi)·····················································5水安全綜合評價等級確定準則及預警WSR≤30可持續(xù)發(fā)展?jié)M意程度較高。如果達到此標準，建