CANAL DE NANTES A BREST à NORT-SUR-ERDRE, paramètre Demande Biochimique en oxygène en 5 jours (D.B.O.5) mg(O2)/L

10/02/10
1.9
30/03/10
1.9
08/06/10
1.4
25/08/10
1.9
12/10/10
2.9
01/12/10
1.2
22/02/11
2.4
14/04/11
39
28/06/11
2
31/08/11
3
19/10/11
3.8
14/12/11
1.7
28/02/12
3
13/04/12
1.1
29/06/12
1.7
11/09/12
2.9
29/10/12
2.7
10/12/12
4.1
27/02/13
2.4
09/04/13
3.5
18/06/13
3.1
22/08/13
2.2
28/10/13
2.9
17/12/13
4.2
24/02/14
1.3
23/04/14
3.5
27/06/14
3.1
30/07/14
2.5
29/10/14
4.1
29/12/14
0.8
27/02/15
2.9
07/04/15
2.9
15/06/15
3
26/08/15
2.8
19/10/15
3.5
18/12/15
4
02/03/16
2.3
20/04/16
4.6
26/05/16
3.1
25/08/16
3.3
19/10/16
2.9
07/12/16
1.6
23/02/17
3.5
24/04/17
3.9
31/05/17
1.8
31/08/17
1.5
17/10/17
2.3
11/12/17
2
16/04/18
5.3
15/06/18
3.8
10/08/18
4.2
10/10/18
2.3
06/12/18
1.5
13/02/19
2
26/04/19
2.4
13/06/19
2.1
09/08/19
1.7
16/10/19
1.5
18/12/19
2.2
05/06/20
3.3
26/08/20
2.7
15/10/20
2.2
15/12/20
1.7
23/02/21
1.5
15/04/21
2.5
18/06/21
1.7
31/08/21
2.2
14/10/21
1.3
16/12/21
1.2
18/02/22
1.8
07/04/22
2.3
02/06/22
1.8
19/08/22
1.2