|
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 |
|
33 |
27.3 |
63.6 |
9.1 |
|
|
|
|
黄 河 |
|
22 |
4.5 |
45.5 |
50 |
|
|
|
|
珠 江 |
|
15 |
26.7 |
46.7 |
13.3 |
13.3 |
|
|
|
松花江 |
|
11 |
|
|
72.7 |
27.3 |
|
|
|
淮 河 |
|
14 |
|
28.6 |
64.3 |
7.1 |
|
|
|
海 河 |
|
2 |
|
|
|
50 |
50 |
|
|
辽 河 |
|
13 |
|
23.1 |
15.4 |
7.7 |
38.5 |
15.3 |
|
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资料来源：环境保护部。 |
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Source: Ministry of Environmental Protection. |
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