RAU VEZANNE A MALICORNE-SUR-SARTHE, paramètre Demande Biochimique en oxygène en 5 jours (D.B.O.5) mg(O2)/L

04/02/13
2.7
10/04/13
2.7
24/06/13
1.8
27/08/13
2.1
29/10/13
2.4
10/12/13
2.7
26/02/14
2.5
02/04/14
2.4
05/06/14
3.1
28/08/14
1.7
29/10/14
1.9
03/12/14
2.8
21/02/18
1.4
27/04/18
1.7
22/06/18
2.7
24/08/18
1.7
26/10/18
2.8
19/12/18
1.4
14/02/19
2.2
16/04/19
2
21/06/19
1.6
12/08/19
1.8
22/10/19
1.3
11/12/19
2.1