2-9大型淡水湖泊、水库水质状况(2004年)WaterQualityofBigFreshwaterLakesandReservoirs(2004)叶绿素α高锰酸盐总氮(毫克/米~3)指数(毫克/升)(毫克/升)主要水系MainWaterαPerman-TotalSystemChlorophylganateindexNitrogen(mg/m~3)(mg/l)(mg/l)巢湖西半湖Western4.206.292.67ChaohuLake巢湖东半湖Eastern2.805.111.16ChaohuLake董铺水库Dongpu1.252.940.45Reservoir大伙房水库Dahuofang3.801.84Reservoir昆明湖KunminghuLake5.055.901.38密云水库MiyunReservoir2.372.200.87兴凯湖Xingkaihulake6.200.44大明湖DaminghuLake100.006.302.40崂山水库LaoshanReservoir2.70门楼水库MenlouReservoir2.002.4010.10洱海ErhaiLake3.300.65滇池DianchiLake8.402.72(外海)(OuterLake)滇池DianchiLake8.3012.70(草海)(GrassLake)博斯腾湖BositengLake650.003.80松花湖SonghuahuLake4.004.13太湖Taihulake24.605.042.62于桥水库Yuqiao15.504.032.12中心Reservoir,Centre于桥水库Yuqiao10.303.821.24坝上Reservoir,Dam丹江口水库Danjiangkou1.601.36Reservoir洞庭湖DongtinghuLake3.702.23千岛湖QiandaohuLake1.310.48西湖WestLake4.112.17资料来源:水利部。Source:MinistryofWaterResource。总磷透明度营养类别水质类别(毫克/升)(米)TotalPhos-Diapha-NutritionWaterphorusneityQuality(mg/l)(m)0.2400.33EutrophyWorsethanGradeⅤ0.111EutrophyGradeⅣ0.039Sub-GradeⅢeutrophy0.0252.41Sub-GradeⅡeutrophy0.0391.10EutrophyGradeⅣ0.0102.90Sub-GradeⅢeutrophy0.245EutrophyGradeⅣ0.140EutrophyGradeⅤ0.030EutrophyGradeⅢ0.0302.40Sub-GradeⅢeutrophy0.2880.35EutrophyWorsethanGradeⅤ1.1500.29EutrophyWorsethanGradeⅤ0.0141.06EutrophyGradeⅣ0.0500.80EutrophyGradeⅡ0.0790.31EutrophyGradeⅣ0.040EutrophyWorsethanGradeⅤ0.030Sub-GradeⅣeutrophy0.0103.00Sub-GradeⅡeutrophy0.190EutrophyGradeⅤDL5.00Sub-GradeⅡeutrophy0.120.35EutrophyGradeⅣ