Table 6.
BOD loadings (M t/y) to European seas and major BOD sources (%) estimated for the 2010s in this study for the European river with the highest BOD load to the sea.
| River | BOD loading |
Domestic |
Industrial |
Livestock |
Urban wash off |
Natural areas |
|---|---|---|---|---|---|---|
| t/y | % | % | % | % | % | |
| Danube | 33,740 | 67 | 1 | 17 | 11 | 4 |
| Meuse | 31,918 | 14 | 3 | 65 | 16 | 2 |
| Rhine | 29,803 | 33 | 9 | 21 | 34 | 4 |
| Po | 26,888 | 13 | 28 | 42 | 15 | 3 |
| Escout/Schelde | 24,910 | 32 | 3 | 35 | 30 | 1 |
| Neva | 23,406 | 52 | 11 | 7 | 1 | 29 |
| Elbe | 18,140 | 23 | 6 | 39 | 28 | 4 |
| Thames | 17,233 | 67 | 0 | 6 | 26 | 1 |
| Loire | 17,096 | 11 | 2 | 63 | 21 | 4 |
| Wisla | 15,806 | 21 | 10 | 45 | 18 | 7 |