SEVRE NANTAISE à SAINT-MALO-DU-BOIS, paramètre Demande Biochimique en oxygène en 5 jours (D.B.O.5) mg(O2)/L

28/01/10
2.1
25/02/10
2.6
18/03/10
2
Limite de quantif.
28/04/10
4.3
27/05/10
3
18/06/10
2.3
21/07/10
2.3
26/08/10
4.7
17/09/10
3.3
21/10/10
5.2
24/11/10
2.2
17/12/10
2
Limite de quantif.
13/01/11
2.9
11/02/11
3.6
31/03/11
4.4
26/04/11
5.4
30/05/11
4.8
23/06/11
5
19/07/11
5.1
22/08/11
6.2
23/09/11
6.3
27/10/11
5.2
25/11/11
3
19/12/11
3.1
24/01/12
2.2
17/02/12
3.6
28/03/12
7.5
23/04/12
6.9
29/05/12
6.1
19/06/12
2.3
05/07/12
2.1
22/08/12
5
14/09/12
7.8
04/10/12
6
15/11/12
2.3
18/12/12
2.8
24/01/13
3.2
21/02/13
2.1
27/03/13
2.3
24/04/13
3.3
29/05/13
2.6
24/06/13
3.1
12/07/13
3.1
23/08/13
4.2
12/09/13
5.5
23/10/13
2.6
15/11/13
3.5
12/12/13
2.9
19/02/14
1.8
28/03/14
4.1
11/04/14
3.4
23/05/14
5.8
11/06/14
2.6
30/07/14
3.4
06/08/14
4.9
30/09/14
3
15/10/14
2.3
26/11/14
3
23/12/14
2.6
27/01/15
2.9
19/02/15
3.9
23/03/15
4.3
01/04/15
3.9
29/05/15
2.3
15/06/15
3.9
30/07/15
6.6
20/08/15
8.6
24/09/15
2.4
26/10/15
2.3
25/11/15
3.2
22/12/15
2.4
27/01/16
1.4
18/02/16
2.1
14/03/16
1.6
26/04/16
2
23/05/16
2.5
22/06/16
0.5
Limite de quantif.
25/07/16
3.3
16/08/16
4
13/09/16
2.9
19/10/16
1.4
22/11/16
1.9
12/12/16
1.6
17/01/17
2.1
09/02/17
1.9
15/03/17
2
24/04/17
4.6
31/05/17
3.9
26/06/17
4.1
31/07/17
4.9
23/08/17
4.8
13/09/17
3.7
23/10/17
3.3
28/11/17
0.7
14/12/17
2.8
25/01/18
2.1
22/02/18
1.3
23/03/18
1.9
23/04/18
2.3
25/05/18
1.9
25/06/18
2.2
27/07/18
1.8
28/08/18
2.2
19/09/18
1.7
26/10/18
2.1
28/11/18
1.9
18/12/18
1.7
14/01/19
1.2
21/02/19
2.1
26/03/19
2.1
29/04/19
2.8
27/05/19
2.1
24/06/19
1.3
18/07/19
1.7
30/08/19
2.3
11/09/19
3
29/10/19
2.1
22/11/19
2.5
30/12/19
1.7
29/01/20
2.6
26/02/20
1.9
13/03/20
2.2
28/04/20
1.6
28/05/20
1.8
18/06/20
2.6
21/07/20
0.9
24/08/20
1.6
16/09/20
3.7
27/10/20
2.8
16/11/20
2.6
21/12/20
1.5
26/01/21
1.9
23/02/21
0.9
31/03/21
2.1
28/04/21
5.3
28/05/21
1.1
21/06/21
1.6
21/07/21
0.5
Limite de quantif.
17/08/21
1.7
22/09/21
0.5
Limite de quantif.
20/10/21
0.5
Limite de quantif.
29/11/21
1.5
22/12/21
2.5
24/01/22
1.8
23/02/22
1.9
09/03/22
1.4
27/04/22
2
17/05/22
1.5