CANAL DU PERRIER OU ETIER GDE TAILLEE À SAINT-JEAN-DE-MONTS, paramètre Demande Biochimique en oxygène en 5 jours (D.B.O.5) mg(O2)/L

19/02/13
5.6
21/05/13
4.4
17/06/13
5.9
22/08/13
5.9
24/10/13
7
17/12/13
13
13/02/14
2.6
20/05/14
5.5
16/06/14
5.9
12/08/14
4.5
14/10/14
5.5
17/12/14
3.9
18/02/15
4.5
21/04/15
3.8
20/05/15
8
17/06/15
4.7
18/08/15
13
14/10/15
5.4
10/12/15
4.7
16/02/16
2.9
26/04/16
7
24/05/16
4.9
21/06/16
5.1
17/08/16
8
18/10/16
6
12/12/16
6
14/02/17
6
19/04/17
6
16/05/17
6
13/06/17
6
16/08/17
6
09/10/17
8
13/12/17
6
22/02/18
4.2
17/04/18
5.5
17/05/18
6
21/06/18
5
13/08/18
18
11/10/18
22
03/12/18
5.4
09/03/22
4
06/04/22
5.8
04/05/22
5.9
02/06/22
3.1
12/08/22
16
21/09/22
30
07/12/22
6