NANTES - ERDRE CANAL ST FELIX (SEC), paramètre Demande Biochimique en oxygène en 5 jours (D.B.O.5) mg(O2)/L

19/01/21
1.9
16/02/21
2.1
23/03/21
5
20/04/21
2.5
25/05/21
3.9
15/06/21
7
20/07/21
6
10/08/21
6
14/09/21
4.3
12/10/21
4.6
16/11/21
2
21/12/21
2.9
18/01/22
1.6
15/02/22
3.4
22/03/22
5
26/04/22
7
17/05/22
6
05/07/22
6
19/07/22
6
03/08/22
8
13/09/22
0
11/10/22
6
15/11/22
3.2
20/12/22
5
17/01/23
1.8
14/02/23
2.9
14/03/23
2.9
18/04/23
5
16/05/23
10
13/06/23
5
25/07/23
3.6
08/08/23
6
26/09/23
4
24/10/23
4
14/11/23
1.6
19/12/23
1