| L.p. | Rzeka | Długość km | % Poprawnych |
|---|---|---|---|
| 1. | Wisła | 1047 | 71%
|
| 17. | Drwęca | 207 | 57%
|
| 22. | Poprad | 170 | 43%
|
| 21. | Nysa Kłodzka | 182 | 43%
|
| 18. | Wisłok | 205 | 43%
|
| 16. | Prosna | 217 | 43%
|
| 15. | Brda | 238 | 43%
|
| 10. | Dunajec | 247 | 43%
|
| 14. | Wkra | 249 | 43%
|
| 13. | Nysa Łużycka | 252 | 43%
|
| 12. | Łyna | 264 | 43%
|
| 11. | Bóbr | 272 | 43%
|
| 9. | Wieprz | 303 | 43%
|
| 8. | Pilica | 319 | 43%
|
| 25. | Bzura | 166 | 29%
|
| 24. | Rega | 168 | 29%
|
| 23. | Pasłęka | 169 | 29%
|
| 20. | Drawa | 186 | 29%
|
| 19. | Wda | 198 | 29%
|
| 7. | Noteć | 391 | 29%
|
| 6. | San | 458 | 29%
|
| 4. | Bug | 772 | 29%
|
| 3. | Warta | 808 | 29%
|
| 2. | Odra | 854 | 29%
|
| 5. | Narew | 484 | 14%
|