CANAL DE MARANS LA ROCHELLE À MARANS, paramètre Demande Biochimique en oxygène en 5 jours (D.B.O.5) mg(O2)/L

21/02/11
4.3
03/05/11
3.7
28/06/11
3.1
22/08/11
4
03/10/11
8
12/12/11
6.4
20/02/12
6.4
10/05/12
3.5
25/06/12
5
22/08/12
2.1
11/10/12
2.5
18/12/12
3
17/02/14
2.3
05/05/14
3.9
23/06/14
5.5
21/08/14
9
08/10/14
9
16/12/14
3.9
23/02/15
2.8
04/05/15
3.4
22/06/15
2
18/08/15
3.7
20/10/15
3.8
14/12/15
2.6
22/02/16
1.6
09/05/16
2.6
20/06/16
2.7
25/08/16
3.1
25/10/16
2.9
13/12/16
3.1
22/02/17
4.6
10/05/17
4.7
21/06/17
2.3
23/08/17
3.4
25/10/17
3.1
13/12/17
3
Limite de quantif.
21/02/18
3.3
16/05/18
3.2
20/06/18
2.5
22/08/18
2.5
17/10/18
1.9
12/12/18
5.8
21/02/19
4.8
22/05/19
5.8
19/06/19
5.7
21/08/19
4
17/10/19
5.2
11/12/19
2.9
17/02/22
4.7
21/04/22
5.3
16/06/22
4.3