CANAL DE HAUTE PERCHE à PORNIC, paramètre Demande Biochimique en oxygène en 5 jours (D.B.O.5) mg(O2)/L

11/02/13
1.5
25/04/13
2
24/06/13
5.7
20/08/13
10
18/10/13
1.6
04/12/13
1.9
17/02/14
1.8
29/04/14
2.8
26/06/14
2.2
10/09/14
1.2
23/10/14
1.5
23/12/14
2.4
19/02/15
2.4
02/04/15
2.2
16/06/15
5.3
13/08/15
8
29/10/15
2.9
14/12/15
1.4
23/02/16
1.5
07/04/16
2
21/06/16
3.3
18/08/16
3.3
17/10/16
2.6
15/12/16
1.2
28/02/17
3.9
10/04/17
2.5
09/06/17
2.8
07/08/17
2.9
09/10/17
4.3
06/12/17
4.1
20/02/18
2.1
19/04/18
2.4
14/06/18
3.6
14/08/18
5.1
26/10/18
4.3
11/12/18
1.7
13/02/19
2
Limite de quantif.
15/04/19
1.8
06/06/19
4.2
09/08/19
6
15/10/19
1.7
17/12/19
1.5
12/02/20
1.5
06/04/20
3.9
02/06/20
7
12/08/20
5
21/10/20
2.7
08/12/20
1.4
03/02/21
2.2
21/04/21
7
30/06/21
6
19/08/21
5.2
28/10/21
2.1
10/12/21
1.9
16/02/22
2.8
14/04/22
2.8
15/06/22
3.9
04/08/22
3.1
12/10/22
1.1
20/12/22
1.8
03/02/23
1.3
05/04/23
1.7
08/06/23
5.8