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2019年地下水质量标准有哪些?

时间:2019-05-07 13:46 来源:未知 作者:admin

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
5.5~6.58.5~9
<5.5,>9
6
总硬度(以CaCO3,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
≤0.01
>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
滴滴涕(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/mL)
≤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