SEVRE NANTAISE à GORGES, paramètre Demande Biochimique en oxygène en 5 jours (D.B.O.5) mg(O2)/L

12/02/19
2.6
16/04/19
3.9
12/06/19
0.9
08/08/19
1.5
15/10/19
1.1
17/12/19
2
14/02/20
1
15/04/20
2.6
04/06/20
1.2
18/08/20
1.3
21/10/20
1.5
11/12/20
1.9
08/02/21
1.2
08/04/21
4.4
09/06/21
1.3
05/08/21
0.9
08/10/21
0.8
09/12/21
2.1
03/02/22
1.2
01/04/22
0.6
30/06/22
1.5
26/08/22
1.2
28/10/22
0.6
21/12/22
1.1
13/02/23
0.9
03/04/23
1.1
06/06/23
0.9