LE BLANC A CHANVERRIE, paramètre Demande Biochimique en oxygène en 5 jours (D.B.O.5) mg(O2)/L

30/03/20
2.8
23/04/20
1.1
20/05/20
2.1
29/06/20
3.7
10/07/20
14
01/08/20
9
29/09/20
21
30/10/20
2.5
01/11/20
1.7
23/12/20
1.4
18/01/21
1.6
09/02/21
0.8
08/03/21
1.7
15/04/21
3.9
10/05/21
6
07/06/21
5.2
12/07/21
5.4
16/08/21
3.3
11/10/21
2.5
08/11/21
4.4
06/12/21
3.5
19/01/22
2.1
15/02/22
2.7
16/03/22
2.4
06/04/22
4
18/05/22
6
22/06/22
4.5
08/11/22
2.8
13/12/22
2.4