地下水水质检测标准

为保护和合理开发地下水资源，防止和控制地下水污染，保障人民身体健康，促进经济建设，特制订本标准。


表1 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
无
无
无
无
有
3
浑浊度,(度)
≤3
≤3
≤3
≤10
>,10
4
肉眼可见物
无
无
无
无
有
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
≤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
≤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
≤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



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