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

06/02/13
2.4
04/04/13
2.5
28/06/13
2.1
07/08/13
1
14/10/13
1.2
05/12/13
2.7
18/02/14
1.5
01/04/14
2.1
24/06/14
1.6
04/08/14
2
08/10/14
2
02/12/14
2.4
13/02/15
2.7
22/04/15
1.8
15/06/15
1.4
24/08/15
1.7
12/10/15
2.2
10/12/15
2.1
20/04/16
1.2
15/06/16
1
25/08/16
0.7
13/10/16
0.8
20/12/16
1.5
20/02/17
1.7
19/04/17
1.1
21/06/17
0.9
29/08/17
1
18/10/17
1.3
11/12/17
2.7
17/01/18
1.5
15/02/18
2.6
22/03/18
1.3
17/04/18
2
28/05/18
1
19/06/18
1.5
30/07/18
0.5
Limite de quantif.
21/08/18
0.9
05/09/18
1.9
19/10/18
1.5
30/11/18
1.3
11/12/18
1.5
06/02/19
1.7
17/04/19
1.1
17/04/19
1.1
05/07/19
3
Limite de quantif.
22/08/19
1.6
21/10/19
1.3
26/02/20
1.9
16/04/20
1
25/06/20
0.9
25/08/20
0.6
23/10/20
1.5
18/12/20
2.1
24/02/21
0.9
23/04/21
1.7
24/06/21
1.1
16/08/21
0.6
26/10/21
1.2
22/12/21
2.7
23/02/22
1.2
21/04/22
1.4
28/06/22
1.2
23/08/22
4.5
26/10/22
4.2
28/12/22
1.5
23/02/23
1.4
26/04/23
1.3
28/06/23
0.9
28/08/23
0.9
26/10/23
1.7