|
主要水系 |
|
监测断面 |
分类水质断面占全部断面百分比(%) | |||||
|
|
个数(个） |
Proportion of Monitored Section Water Quality (%) | ||||||
|
Main Water |
Number of |
Ⅰ类 |
Ⅱ类 |
Ⅲ类 |
Ⅳ类 |
Ⅴ类 |
劣Ⅴ类 | |
|
System |
Monitoring |
GradeⅠ |
GradeⅡ |
Grade Ⅲ |
Grade Ⅳ |
Grade Ⅴ |
Worse | |
|
|
Sections |
|
|
|
|
|
than | |
|
|
(unit) |
|
|
|
|
|
GradeⅤ | |
|
长 江 |
|
104 |
9.6 |
46.2 |
20.2 |
11.5 |
1.9 |
10.6 |
|
黄 河 |
|
44 |
|
6.8 |
27.3 |
34.1 |
6.8 |
25.0 |
|
珠 江 |
|
33 |
12.1 |
42.4 |
21.2 |
18.2 |
|
6.1 |
|
松花江 |
|
42 |
|
4.8 |
19.0 |
45.2 |
11.9 |
19.0 |
|
淮 河 |
|
86 |
|
3.5 |
14.0 |
38.4 |
12.8 |
31.4 |
|
海 河 |
|
65 |
6.2 |
10.8 |
4.6 |
18.5 |
6.2 |
53.8 |
|
辽 河 |
|
37 |
|
13.5 |
16.2 |
21.6 |
8.1 |
40.5 |
|
资料来源：国家环境保护总局。 | ||||||||
|
Source: State Environmental Protection Administration. | ||||||||
