SEVRE NANTAISE à CLISSON, paramètre Demande Biochimique en oxygène en 5 jours (D.B.O.5) mg(O2)/L

28/02/13
2.4
08/04/13
2.5
19/06/13
1.6
13/08/13
1.1
29/10/13
1.8
18/12/13
1.8
27/02/14
3
08/04/14
2.7
19/06/14
1.1
21/07/14
0.6
20/10/14
1.4
17/12/14
1.7
26/02/15
2
08/04/15
2.1
10/06/15
0.8
19/08/15
0.5
22/10/15
1.2
15/12/15
1.6
19/02/16
0.8
12/04/16
2.4
25/05/16
2.3
23/06/16
1.2
05/07/16
1.1
01/08/16
0.6
10/08/16
0.8
09/09/16
0.6
05/10/16
0.6
13/10/16
1.1
15/11/16
1.5
01/12/16
1.8
02/12/16
0.8
09/01/17
1.3
15/02/17
2.2
30/03/17
1.6
20/04/17
2.2
12/05/17
2.4
30/05/17
1.3
17/07/17
1.2
22/08/17
1
18/09/17
0.9
06/10/17
1.1
10/11/17
7
05/12/17
0.9
09/01/18
2.7
28/02/18
1.6
12/03/18
0.5
Limite de quantif.
13/04/18
1.2
04/06/18
0.7
16/07/18
0.8
22/08/18
0.5
10/09/18
0.6
23/10/18
1
03/12/18
3.7
23/01/19
1.6
18/03/19
0.9
13/05/19
1.4
22/07/19
3.2
24/09/19
1.7
15/10/19
0.6
15/11/19
0.5
Limite de quantif.
17/12/19
1.8
14/02/20
1.2
28/02/20
1.9
15/04/20
1.9
04/06/20
0.9
22/06/20
2.9
18/08/20
0.7
26/08/20
1.3
20/10/20
2.2
21/10/20
1.1
13/11/20
1.6
11/12/20
2.1
23/12/20
3.5
17/02/21
1.3
28/04/21
6
22/06/21
2.6
23/08/21
1.1
27/10/21
3.5
23/12/21
1.8
03/02/22
1.3
01/04/22
1.8
30/06/22
0.5
26/08/22
1
28/10/22
0.6
21/12/22
1
16/01/23
2.8
13/02/23
1.7
15/02/23
1.8
23/03/23
1.3
03/04/23
1
26/04/23
1.2
22/05/23
1.2
06/06/23
0.8
27/06/23
0.7
18/07/23
0.7
09/08/23
0.7
24/08/23
1
27/09/23
0.7
19/10/23
0.9
24/10/23
1.3
22/11/23
1
01/12/23
1.7
04/12/23
1
23/02/24
3.8
19/04/24
3
Limite de quantif.