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
|
≤0.1
|
>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
|
类别
|
Ⅰ
|
Ⅱ
|
Ⅲ
|
Ⅳ
|
Ⅴ
|
Fi
|
0
|
1
|
3
|
6
|
10
|
级别
|
优良
|
良好
|
较好
|
较差
|
极差
|
F
|
<0.80
|
0.80-<2.50
|
2.50-<4.25
|
4.25-<7.20
|
>7.20
|