No. of sites in BOD5 concentration classes | BOD5 <=1.4 [mg O2/l] | BOD5 1.4-2.0 [mg O2/l] | BOD5 2.0-3.0 [mg O2/l] | BOD5 3.0-4.0 [mg O2/l] | BOD5 > 4 [mg O2/l] | <=1.4 | 1.4-2.0 | 2.0-3.0 | 3.0-4.0 | > 4 |
---|---|---|---|---|---|---|---|---|---|---|
Prut (7) | 1 | 1 | 5 | 0 | 0 | 14 | 14 | 71 | 0 | 0 |
Dnister (19) | 1 | 1 | 14 | 3 | 0 | 5 | 5 | 74 | 16 | 0 |
Desna (6) | 0 | 5 | 0 | 1 | 0 | 0 | 83 | 0 | 17 | 0 |
Tisa (8) | 0 | 0 | 6 | 2 | 1 | 0 | 0 | 67 | 22 | 11 |
Sievercki Donets (16) | 0 | 0 | 2 | 14 | 0 | 0 | 0 | 13 | 88 | 0 |
Dnipro (54) | 6 | 5 | 24 | 13 | 6 | 11 | 9 | 44 | 24 | 11 |
Pivdennii But (20) | 1 | 2 | 1 | 2 | 14 | 5 | 10 | 5 | 10 | 70 |
Total (131) | 9 | 14 | 52 | 35 | 21 | 7 | 11 | 40 | 27 | 16 |