TENU à SAINT-MARS-DE-COUTAIS, paramètre Demande Biochimique en oxygène en 5 jours (D.B.O.5) mg(O2)/L

16/02/10
2
15/04/10
3.7
11/06/10
7
11/08/10
3.5
22/10/10
5
07/12/10
3.3
18/02/11
1.8
19/04/11
4.5
16/06/11
5.9
29/08/11
11
27/10/11
8
12/12/11
1.8
08/02/12
2.9
19/04/12
8
04/06/12
7
30/08/12
5.9
30/10/12
3.1
14/12/12
2.9
11/02/13
0.9
25/04/13
4.1
24/06/13
8.1
20/08/13
4.9
18/10/13
3.1
04/12/13
1.9
17/02/14
1.6
29/04/14
9
26/06/14
5.9
10/09/14
4.3
23/10/14
4
23/12/14
2.7
19/02/15
2.4
02/04/15
4.9
16/06/15
7
13/08/15
9
29/10/15
17
14/12/15
1.9
23/02/16
1.3
07/04/16
2.4
21/06/16
7
18/08/16
3.1
17/10/16
1.9
15/12/16
1.3
28/02/17
3.4
10/04/17
5.4
09/06/17
7
07/08/17
5.4
23/10/17
3.7
14/12/17
3.8
05/03/18
2.1
12/04/18
2.2
07/06/18
11
21/08/18
5.4
19/10/18
2.3
12/12/18
1.3
15/10/19
4.4
17/12/19
1
13/02/20
1.4
17/04/20
5.9
03/06/20
15
13/08/20
8
14/10/20
3.7
09/12/20
2.3
09/02/21
1.1
07/04/21
6
03/06/21
7
24/08/21
5
07/10/21
2.8
08/12/21
3.9