Table 2. MAJOR RIVERS OF THE BLASK SEA
| Name | Catchment Area, km2 | Length, km | Total Runoff, km3/year | Sediment Discharge, 106 t/year |
| Danube | 817 000 | 2860 | 208 | 51,7 |
| Dnieper | 505 810 | 2285 | 51,2 | 2,12 |
| Dniester | 71 990 | 1328 | 10,2 | 2,50 |
| Southern Bug | 68 000 | 857 | 3,0 | 0,53 |
| Chorokh | 22 000 | 500 | 8,69 | 15,13 |
| Rioni | 13 300 | 228 | 12,8 | 7,08 |
| Inguri | 4060 | 221 | 4,63 | 2,78 |
| Kodori | 2030 | 84 | 4,08 | 1,01 |
| Bzyb | 1410 | - | 3,07 | 0,60 |
| Yesilrmak | - | 416 | 4,93 | 18,0 |
| Kizilrmak | - | 1151 | 5,02 | 16,0 |
| Sakarya | - | 790 | 6,38 |