BIENNE à COULOMBIERS, paramètre Demande Biochimique en oxygène en 5 jours (D.B.O.5) mg(O2)/L

17/01/13
2.7
18/02/13
2.8
12/03/13
2.7
02/04/13
2.5
22/05/13
2.2
27/06/13
2.4
09/07/13
1.5
23/08/13
1.4
16/09/13
1.5
29/10/13
2.5
26/11/13
2.5
02/12/13
2.7
15/01/14
2.2
19/02/14
1.6
20/03/14
1.8
16/04/14
2.4
16/05/14
2.6
19/06/14
1.9
11/07/14
2.3
22/08/14
2.1
03/09/14
1.5
17/10/14
3.1
18/11/14
2.5
18/12/14
2.7
12/01/15
2.8
25/02/15
3
19/03/15
2.6
09/04/15
2.4
21/05/15
2.2
19/06/15
2
17/07/15
1.6
18/08/15
2
16/09/15
2.2
21/10/15
1.7
19/11/15
2
21/12/15
1.9
14/02/18
0.9
12/04/18
1.3
14/06/18
1
17/08/18
1.5
16/10/18
0.7
11/12/18
1.5
13/02/19
1.2
04/04/19
1.5
13/06/19
2
05/08/19
1
10/10/19
1.7
04/12/19
1.7