| 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 | 208473.6 | 4.8 | 42.5 | 21.3 | 10.8 | 5.7 | 14.9 |
| 松花江区 | Songhuajiang River | 12987.1 | 10.2 | 42.5 | 28.5 | 8.9 | 9.9 | |
| #松花江 | Songhuajiang River | 10116.0 | 11.8 | 48.9 | 26.9 | 4.5 | 7.9 | |
| 辽河区 | Liaohe River | 5091.6 | 1.2 | 39.6 | 14.0 | 16.4 | 8.2 | 20.6 |
| #辽河 | Liaohe River | 2097.0 | 26.0 | 12.9 | 33.2 | 13.0 | 14.9 | |
| 海河区 | Haihe River | 15327.5 | 1.6 | 17.0 | 14.7 | 8.4 | 10.2 | 48.1 |
| #海河 | Haihe River | 12795.8 | 1.8 | 13.2 | 10.5 | 9.3 | 10.8 | 54.4 |
| 黄河区 | Huanghe River | 21311.3 | 4.8 | 35.7 | 19.6 | 10.1 | 4.8 | 25.0 |
| 淮河区 | Huaihe River | 26694.1 | 0.5 | 9.5 | 28.6 | 27.1 | 10.8 | 23.5 |
| #淮河 | Huaihe River | 23049.7 | 0.3 | 9.0 | 28.4 | 29.1 | 12.2 | 21.0 |
| 长江区 | Changjiang River | 59648.0 | 6.0 | 47.9 | 20.5 | 8.4 | 5.6 | 11.6 |
| #太湖 | Taihu Lake | 5924.9 | 3.8 | 16.5 | 27.2 | 24.7 | 27.8 | |
| 东南诸河区 | Southeastern Rivers | 6458.2 | 2.9 | 53.3 | 28.0 | 7.6 | 3.0 | 5.2 |
| 珠江区 | Zhujiang River | 22917.4 | 3.2 | 65.7 | 17.8 | 3.9 | 3.4 | 6.0 |
| #珠江 | Zhujiang River | 16381.9 | 3.8 | 70.1 | 12.4 | 2.9 | 3.9 | 6.9 |
| 西南诸河区 | Southwestern Rivers | 17618.7 | 3.9 | 66.2 | 25.6 | 2.1 | 1.2 | 1.0 |
| 西北诸河区 | Northwestern Rivers | 20419.7 | 16.6 | 67.0 | 7.5 | 3.0 | 1.7 | 4.2 |
