| 湘江洋沙湖断面监测数据统计
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| 采样日期:2016.1.3
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| 监测 项目
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单位
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采样位置
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最低值
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最高值
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平均值
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Ⅲ类水质标准
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超标率 %
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单项水质类别
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||
| 左
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中
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右
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| 水温
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摄氏度
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14.3
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14.3
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14.3
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14.3
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14.3
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14.3
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/
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/
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/
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| 电导率
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ms/m
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25.4
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24.4
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23.9
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23.9
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25.4
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24.6
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/
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/
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/
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| pH
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无量纲
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6.25
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6.05
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6.56
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6.05
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6.56
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6.29
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6~9
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0.00
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Ⅰ
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| 溶解氧
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mg/L
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6.71
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6.48
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6.34
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6.34
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6.71
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6.51
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≥5
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0.00
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Ⅱ
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| 高锰酸盐指数
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mg/L
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1.92
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1.93
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1.88
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1.88
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1.93
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1.91
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≤6
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0.00
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Ⅰ
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| 化学需氧量
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mg/L
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12.2
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10.9
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11.8
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10.9
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12.2
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11.6
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≤20
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0.00
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Ⅰ
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| 生化需氧量
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mg/L
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2.44
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2.18
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2.36
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2.18
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2.44
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2.33
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≤4
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0.00
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Ⅰ
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| 氨氮
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mg/L
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0.641
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0.654
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0.647
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0.641
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0.654
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0.647
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≤1.0
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0.00
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Ⅲ
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| 总磷
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mg/L
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0.094
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0.105
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0.111
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0.094
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0.111
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0.103
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≤0.2
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0.00
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Ⅲ
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| 总氮
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mg/L
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2.454
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2.430
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2.468
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2.430
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2.468
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2.451
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≤1.0
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/
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/
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| 铜
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mg/L
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0.001ND
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0.001ND
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0.001ND
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0.001ND
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0.001ND
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0.001ND
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≤1.0
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0.00
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Ⅰ
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| 锌
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mg/L
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0.01ND
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0.01ND
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0.01ND
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0.01ND
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0.01ND
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0.01ND
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≤1.0
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0.00
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Ⅰ
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| 氟化物
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mg/L
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0.31
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0.18
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0.21
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0.18
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0.31
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0.23
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≤1.0
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0.00
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Ⅰ
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| 硒
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mg/L
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0.0004ND
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0.0004ND
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0.0004ND
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0.0004ND
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0.0004ND
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0.0004ND
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≤0.01
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0.00
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Ⅰ
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| 砷
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mg/L
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0.0020
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0.0020
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0.0020
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0.0020
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0.0020
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0.0020
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≤0.05
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0.00
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Ⅰ
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| 汞
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mg/L
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0.00004ND
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0.00004ND
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0.00004ND
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0.00004ND
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0.00004ND
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0.00004ND
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≤0.0001
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0.00
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Ⅰ
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| 镉
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mg/L
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0.0001ND
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0.0001ND
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0.0001ND
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0.0001ND
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0.0001ND
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0.0001ND
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≤0.005
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0.00
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Ⅰ
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| 六价铬
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mg/L
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0.004ND
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0.004ND
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0.004ND
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0.004ND
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0.004ND
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0.004ND
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≤0.05
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0.00
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Ⅰ
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| 铅
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mg/L
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0.001ND
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0.001ND
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0.001ND
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0.001ND
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0.001ND
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0.001ND
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≤0.05
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0.00
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Ⅰ
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| 氰化物
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mg/L
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0.004ND
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0.004ND
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0.004ND
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0.004ND
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0.004ND
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0.004ND
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≤0.2
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0.00
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Ⅰ
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| 挥发酚
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mg/L
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0.0003ND
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0.0003ND
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0.0003ND
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0.0003ND
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0.0003ND
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0.0003ND
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≤0.005
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0.00
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Ⅰ
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| 石油类
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mg/L
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0.01ND
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0.01
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0.01
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0.01ND
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0.01
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0.01
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≤0.05
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0.00
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Ⅰ
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| 阴离子表面活性剂
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mg/L
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0.05ND
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0.05ND
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0.05ND
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0.05ND
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0.05ND
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0.05ND
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≤0.2
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0.00
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Ⅰ
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| 硫化物
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mg/L
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0.005ND
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0.005ND
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0.005ND
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0.005ND
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0.005ND
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0.005ND
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≤0.2
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0.00
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Ⅰ
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| 粪大肠菌群
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个/L
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2200
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3500
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3500
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2200
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3500
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3067
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≤10000
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0.00
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Ⅲ
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| 断面水 质级别
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良好
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主要 污染物
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/
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