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    地下水水质标准
    2013-02-06

    地下水质量分类指标

    项目序号

    类别 标准值 项目

    Ⅰ类

    Ⅱ类

    Ⅲ类

    Ⅳ类

    Ⅴ类

    1

    色(度)

    ≤5

    ≤5

    ≤15

    ≤25

    >25

    2

    嗅和味

    3

    浑浊度(度)

    ≤3

    ≤3

    ≤3

    ≤10

    >10

    4

    肉眼可见物

    5

    pH

    6.5~8.5

    5.5~6.5
    8.5~9

    <5.5,>9

    6

    总硬度(以CzCO3,计)(mg/L)

    ≤150

    ≤300

    ≤450

    ≤550

    >550

    7

    溶解性总固体(mg/L)

    ≤300

    ≤500

    ≤1000

    ≤2000

    >2000

    8

    硫酸盐(mg/L)

    ≤50

    ≤150

    ≤250

    ≤350

    >350

    9

    氯化物(mg/L)

    ≤50

    ≤150

    ≤250

    ≤350

    >350

    10

    铁(Fe)(mg/L)

    ≤0.1

    ≤0.2

    ≤0.3

    ≤1.5

    >1.5

    11

    锰(Mn)(mg/L)

    ≤0.05

    ≤0.05

    ≤0.1

    ≤1.0

    >1.0

    12

    铜(Cu)(mg/L)

    ≤0.01

    ≤0.05

    ≤1.0

    ≤1.5

    >1.5

    13

    锌(Zn)(mg/L)

    ≤0.05

    ≤0.5

    ≤1.0

    ≤5.0

    >5.0

    14

    钼(Mo)(mg/L)

    ≤0.001

    ≤0.01

    ≤0.1

    ≤0.5

    >0.5

    15

    钴(Co)(mg/L)

    ≤0.005

    ≤0.05

    ≤0.05

    ≤1.0

    >1.0

    16

    挥发性酚类(以苯酚计)(mg/L)

    ≤0.001

    ≤0.001

    ≤0.002

    ≤0.01

    >0.01

    17

    阴离子合成洗涤剂(mg/L)

    不得检出

    ≤0.1

    ≤0.3

    ≤0.3

    >0.3

    18

    高锰酸盐指数(mg/L)

    ≤1.0

    ≤2.0

    ≤3.0

    ≤10

    >10

    19

    硝酸盐(以N计)(mg/L)

    ≤2.0

    ≤5.0

    ≤20

    ≤30

    >30

    20

    亚硝酸盐(以N计)(mg/L)

    ≤0.001

    ≤0.01

    ≤0.02

    ≤0.1

    >0.1

    21

    氨氮(NH4)(mg/L)

    ≤0.02

    ≤0.02

    ≤0.2

    ≤0.5

    >0.5

    22

    氟化物(mg/L)

    ≤1.0

    ≤1.0

    ≤1.0

    ≤2.0

    >2.0

    23

    碘化物(mg/L)

    ≤0.1

    ≤0.1

    ≤0.2

    ≤1.0

    >1.0

    24

    氰化物(mg/L)

    ≤0.001

    ≤0.01

    ≤0.05

    ≤0.1

    >0.1

    25

    汞(Hg)(mg/L)

    ≤0.00005

    ≤0.0005

    ≤0.001

    ≤0.001

    >0.001

    26

    砷(As)(mg/L)

    ≤0.005

    ≤0.01

    ≤0.05

    ≤0.05

    >0.05

    27

    硒(Se)(mg/L)

    ≤0.01

    ≤0.01

    ≤0.01

    ≤0.1

    >0.1

    28

    镉(Cd)(mg/L)

    ≤0.0001

    ≤0.001

    ≤0.01

    ≤0.01

    >0.01

    29

    铬(六价)(Cr6+)(mg/L)

    ≤0.005

    ≤0.01

    ≤0.05

    ≤0.1

    >0.1

    30

    铅(Pb)(mg/L)

    ≤0.005

    ≤0.01

    ≤0.05

    ≤0.1

    >0.1

    31

    铍(Be)(mg/L)

    ≤0.00002

    ≤0.0001

    ≤0.0002

    ≤0.001

    >0.001

    32

    钡(Ba)(mg/L)

    ≤0.01

    ≤0.1

    ≤1.0

    ≤4.0

    >4.0

    33

    镍(Ni)(mg/L)

    ≤0.005

    ≤0.05

    ≤0.05

    ≤0.1

    >0.1

    34

    滴滴滴(μg/L)

    不得检出

    ≤0.005

    ≤1.0

    ≤1.0

    >1.0

    35

    六六六(μg/L)

    ≤0.005

    ≤0.05

    ≤5.0

    ≤5.0

    >5.0

    36

    总大肠菌群(个/L)

    ≤3.0

    ≤3.0

    ≤3.0

    ≤100

    >100

    37

    细菌总数(个/L)

    ≤100

    ≤100

    ≤100

    ≤1000

    >1000

    38

    总σ放射性(Bq/L)

    ≤0.1

    ≤0.1

    ≤0.1

    >0.1

    >0.1

    39

    总β放射性(Bq/L)

    ≤0.1

    ≤1.0

    ≤1.0

    >1.0

    >1.0