| 流域分区 | River | 分类河长占评价河长百分比(%) Classify River length of Evaluate Length (%) | ||||||
| 评价河长 | ||||||||
| (千米) | ||||||||
| Evaluate | Ⅰ类 | Ⅱ类 | Ⅲ类 | Ⅳ类 | Ⅴ类 | 劣Ⅴ类 | ||
| Length | GradeⅠ | GradeⅡ | Grade Ⅲ | Grade Ⅳ | Grade Ⅴ | Worse | ||
| (km) | than | |||||||
| GradeⅤ | ||||||||
| 全 国 | National Total | 201216 | 5.5 | 39.7 | 21.8 | 11.8 | 5.5 | 15.7 |
| 松花江区 | Songhuajiang River | 15410 | 0.5 | 16.6 | 39.8 | 23.8 | 7.0 | 12.3 |
| 辽河区 | Liaohe River | 5454 | 2.6 | 26.4 | 15.1 | 18.9 | 9.8 | 27.2 |
| 海河区 | Haihe River | 14953 | 3.1 | 21.1 | 10.4 | 6.8 | 12.5 | 46.1 |
| 黄河区 | Huanghe River | 20545 | 2.9 | 34.0 | 18.6 | 12.4 | 4.7 | 27.4 |
| 淮河区 | Huaihe River | 25904 | 0.5 | 9.6 | 26.7 | 28.5 | 10.8 | 23.9 |
| 长江区 | Changjiang River | 57562 | 4.9 | 45.3 | 24.5 | 8.6 | 4.6 | 12.1 |
| #太湖 | Taihu Lake | 6033 | 0.2 | 6.1 | 12.4 | 21.8 | 23.0 | 36.5 |
| 东南诸河区 | Southeastern Rivers | 7049 | 5.7 | 46.2 | 27.0 | 9.9 | 4.0 | 7.2 |
| 珠江区 | Zhujiang River | 20208 | 3.0 | 64.3 | 15.9 | 6.8 | 2.9 | 7.1 |
| 西南诸河区 | Southwestern Rivers | 17015 | 12.5 | 65.5 | 19.7 | 2.0 | 0.3 | |
| 西北诸河区 | Northwestern Rivers | 17117 | 22.0 | 56.5 | 12.3 | 4.6 | 2.1 | 2.5 |
