| 湘江洋沙湖断面监测数据统计
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| 采样日期:2016.10.8
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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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超标率(%)
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检测下限
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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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26
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26
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26
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26
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26
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26
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/
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/
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/
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| 流量
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m3/s
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/
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/
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/
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/
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/
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/
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/
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/
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/
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| 电导率
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μS/cm
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209
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205
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203
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203
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209
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206.00
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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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7.25
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7.15
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7.13
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7.13
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7.25
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7.18
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0.00
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/
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Ⅰ
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| 溶解氧
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mg/L
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6.07
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6.99
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5.83
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5.83
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6.99
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6.30
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0.00
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0.2
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Ⅰ
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| 高锰酸盐指数
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mg/L
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1.91
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1.92
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1.91
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1.91
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1.92
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1.91
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0.00
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0.5
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Ⅰ
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| 化学需氧量
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mg/L
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13.0
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12.5
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11.9
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11.9
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13.0
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12.50
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0.00
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5
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Ⅰ
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| 生化需氧量
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mg/L
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2.60
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2.50
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2.38
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2.38
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2.60
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2.50
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0.00
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0.5
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Ⅰ
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| 氨氮
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mg/L
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0.698
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0.692
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0.710
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0.692
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0.710
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0.700
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0.00
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0.025
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Ⅲ
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| 总氮
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mg/L
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2.81
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2.75
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2.80
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2.75
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2.81
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2.79
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/
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0.05
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/
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| 总磷
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mg/L
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0.099
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0.123
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0.128
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0.099
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0.128
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0.117
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0.00
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0.01
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Ⅲ
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| 铜
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mg/L
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0.001
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0.001
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0.001
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0.001
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0.001
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0.001
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0.00
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0.01
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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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0.00
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0.01
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Ⅰ
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| 氟化物
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mg/L
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0.32
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0.32
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0.32
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0.32
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0.32
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0.320
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0.00
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0.05
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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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0.00
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0.0002
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Ⅰ
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| 砷
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mg/L
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0.0031
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0.0034
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0.0026
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0.0026
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0.0034
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0.0030
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0.00
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0.0005
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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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0.00
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2E-05
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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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0.00
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0.0001
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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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0.00
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0.004
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Ⅰ
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| 铅
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mg/L
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0.001
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0.001
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0.001
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0.001
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0.001
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0.001
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0.00
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0.003
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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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0.00
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0.004
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Ⅰ
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| 挥发酚
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mg/L
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0.002ND
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0.002ND
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0.002ND
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0.002ND
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0.002ND
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0.002ND
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0.00
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0.002
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Ⅰ
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| 石油类
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mg/L
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0.04ND
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0.04ND
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0.04ND
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0.04ND
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0.04ND
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0.04ND
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0.00
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0.04
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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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0.00
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0.05
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Ⅰ
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| 硫化物
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mg/L
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0.02ND
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0.02ND
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0.02ND
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0.02ND
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0.02ND
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0.02ND
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0.00
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0.02
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Ⅰ
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| 粪大肠菌群
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个/L
|
2200
|
2800
|
700
|
700
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2800
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1900
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0
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/
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Ⅲ
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| 断面水 质级别
|
良
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主要 污染物
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/
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