BOIRE DE NAY OU RAU DE L'HOCMARD À LA CHAPELLE-SUR-ERDRE, paramètre Demande Biochimique en oxygène en 5 jours (D.B.O.5) mg(O2)/L

16/02/10
1
07/04/10
1.4
07/06/10
1.7
27/07/10
4.1
19/10/10
2.2
02/12/10
0.5
15/02/11
1.8
05/04/11
1.7
08/06/11
2.6
23/08/11
3.6
19/10/11
3
30/11/11
2.2
28/02/12
2
10/04/12
2.8
08/06/12
2.7
05/09/12
3
24/10/12
1
11/12/12
0.6
26/02/13
1
05/04/13
1.4
18/06/13
1.4
22/08/13
1.1
28/10/13
3.9
17/12/13
1.7
24/02/14
1.5
23/04/14
1.5
27/06/14
1.8
30/07/14
1.3
29/10/14
1.3
29/12/14
1.2
27/02/15
1.4
07/04/15
1.7
15/06/15
1.2
26/08/15
1.8
19/10/15
8
18/12/15
1.1
02/03/16
1.9
20/04/16
1.3
26/05/16
2.3
25/08/16
0.8
19/10/16
1.9
07/12/16
1.5
23/02/17
1.8
24/04/17
1.1
31/05/17
1.3
31/08/17
2.7
17/10/17
9
11/12/17
3.2
20/02/18
1.3
24/04/18
1.2
15/06/18
1.2
27/08/18
2.3
26/10/18
3.1
11/12/18
1.6
18/02/20
1.4
28/02/20
2.1
15/04/20
1.5
22/06/20
1.4
30/06/20
5.5
17/08/20
1.9
31/08/20
14.5
15/10/20
2.1
28/10/20
2.5
25/11/20
1.5
14/12/20
1
29/12/20
1.1
18/02/21
1.3
26/04/21
5.7
18/06/21
5.2
27/08/21
4
22/10/21
3.3
22/12/21
2.3