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

10/01/12
1
14/02/12
3
19/03/12
4.4
12/04/12
7.9
03/05/12
2.5
11/06/12
2.6
09/07/12
1.7
16/08/12
2
13/09/12
1.4
17/10/12
2.9
14/11/12
1.9
18/12/12
1.6
21/01/13
2
21/02/13
1.5
21/03/13
2.9
16/04/13
2.1
16/05/13
3.3
11/06/13
2.2
03/07/13
2
08/08/13
1.2
17/09/13
2.2
15/10/13
2.5
20/11/13
2.1
12/12/13
2.1
21/01/14
1.7
18/02/14
2.2
11/03/14
1.4
07/04/14
2.5
19/05/14
2.9
17/06/14
1.8
08/07/14
1.2
05/08/14
2
09/09/14
2.9
07/10/14
2.3
13/11/14
1.7
10/12/14
2.4
07/01/15
2.3
11/02/15
3.1
11/03/15
2.4
15/04/15
4.8
12/05/15
2
16/06/15
3.7
07/07/15
0.7
18/08/15
4.4
17/09/15
4
14/10/15
1.8
18/11/15
0.9
16/12/15
2.3
14/01/16
3.3
08/02/16
2.5
09/03/16
2.2
13/04/16
2.5
11/05/16
3.1
13/06/16
1.6
13/07/16
0.5
16/08/16
1.7
12/09/16
0.5
10/10/16
0.7
10/11/16
4.2
05/12/16
2.1
04/01/17
3.4
06/02/17
4.2
07/03/17
3
05/04/17
2.1
10/05/17
2.7
07/06/17
1.6
05/07/17
1.2
02/08/17
2.8
06/09/17
3.7
04/10/17
2.2
07/11/17
1.7
14/12/17
3
15/01/18
1.9
19/02/18
2.5
12/03/18
1.6
16/04/18
2
22/05/18
1.8
18/06/18
1.4
19/07/18
0.7
07/08/18
0.7
10/09/18
0.8
15/10/18
1
19/11/18
1.1
17/12/18
2.5