RAU DE TANCHET A CHATEAU-D'OLONNE, paramètre Demande Biochimique en oxygène en 5 jours (D.B.O.5) mg(O2)/L

20/02/18
1.2
28/03/18
3.3
19/04/18
1.9
31/05/18
1.9
20/06/18
2.3
21/06/18
1.3
24/08/18
1.3
24/09/18
1.3
22/10/18
1.6
24/10/18
3
14/12/18
0.9
17/12/18
1.4
18/02/19
0.9
20/05/19
1.9
24/06/19
8
23/09/19
4.2
21/10/19
1.1
16/12/19
2.7
10/02/20
1.4
14/05/20
1.3
16/06/20
1.7
15/09/20
3.2
13/10/20
1.3
08/12/20
1.8