28流域分区河流统计2008年

2-8流域分区河流水质状况评价结果(按评价河长统计)(2008年)EvaluationofRiverWaterQualitybyRiverValley(byRiverLength)(2008)评价河长分类河长占评价河长百分比(％)(千米)ClassifyRiverlengthofEvaluateLength(％)流域分区RiverEvaluateⅠ类Ⅱ类LengthGradeⅠGradeⅡ(km)全国NationalTotal1477283．531．8松花江区SonghuajiangRiver135620．817．0#松花江SonghuajiangRiver109461．017．9辽河区LiaoheRiver54971．527．1#辽河LiaoheRiver25534．6海河区HaiheRiver129962．419．6#海河HaiheRiver103102．416．1黄河区HuangheRiver138485．212．7淮河区HuaiheRiver141310．515．6#淮河HuaiheRiver120260．515．6长江区ChangjiangRiver411773．736．2#太湖TaihuLake30294．2东南诸河区SoutheasternRivers50355．238．3珠江区ZhujiangRiver1854238．8#珠江ZhujiangRiver1388632．4西南诸河区SouthwesternRivers134070．248．0西北诸河区NorthwesternRivers953421．265．8分类河长占评价河长百分比(％)ClassifyRiverlengthofEvaluateLength(％)Ⅲ类Ⅳ类Ⅴ类劣Ⅴ类GradeⅢGradeⅣGradeⅤWorsethanGradeⅤ25．911．46．820．629．225．26．321．533．319．65．622．617．410．813．130．127．89．224．833．613．210．72．251．96．811．92．060．821．313．510．536．823．318．111．331．222．320．212．828．629．29．07．514．410．613．615．955．720．712．18．914．829．811．06．813．635．211．17．014．346．12．80．22．77．03．51．70．8