27流域分区河流果按评价河长统计

2—7流域分区河流水质状况评价结果(按评价河长统计)(2006年)EvaluationofRiverWaterQualitybyRiverValley(byRiverLength)(2006)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NationalTotal1387373.527.3松花江区SonghuajiangRiver135618.3#松花江SonghuajiangRiver108418.0辽河区LiaoheRiver51631.517.2#辽河LiaoheRiver221910.3海河区HaiheRiver116410.613.6#海河HaiheRiver89950.114.2黄河区HuangheRiver124813.08.9淮河区HuaiheRiver130599.0#淮河HuaiheRiver119039.9长江区ChangjiangRiver386807.235.1#太湖TaihuLake26684.0东南诸河区SoutheasternRivers50942.243.1珠江区ZhujiangRiver176741.839.8#珠江ZhujiangRiver132160.935.5西南诸河区SouthwesternRivers1323238.4西北诸河区NorthwesternRivers815413.750.8分类河长占评价河长百分比(％)ClassifyRiverlengthofEvaluateLength(％)Ⅲ类Ⅳ类Ⅴ类劣Ⅴ类GradeⅢGradeⅣGradeⅤWorsethanGradeⅤ27.513.46.521.825.932.213.320.330.027.614.420.018.812.08.941.612.119.058.616.39.75.254.613.16.14.062.529.715.512.030.926.316.79.938.127.316.810.935.124.712.45.315.37.813.312.062.919.712.83.718.529.49.54.015.530.710.14.917.954.11.82.43.320.912.31.80.5