BRIVET à PONTCHATEAU, paramètre Demande Biochimique en oxygène en 5 jours (D.B.O.5) mg(O2)/L

14/02/13
1.3
29/04/13
2.1
26/06/13
7.4
23/08/13
6
08/10/13
4.9
06/12/13
1
20/02/14
1.6
02/04/14
1.9
30/06/14
5.8
30/07/14
8
28/10/14
6
11/12/14
2.2
17/02/15
1.1
21/04/15
4.7
05/06/15
5
17/08/15
5.6
15/10/15
4.1
15/12/15
1.5
26/02/16
1.3
25/04/16
2.7
23/06/16
5.6
04/08/16
5.7
03/10/16
6.1
05/12/16
4.4
14/02/17
2.4
13/04/17
6.4
12/06/17
4.2
10/08/17
5.2
06/10/17
4.3
05/12/17
5.9
05/03/18
3.7
04/05/18
1.1
08/06/18
6
30/08/18
7
25/10/18
8
04/12/18
2.6
06/02/19
1.7
17/04/19
1.7
17/04/19
1.7
05/07/19
8.4
22/08/19
3.2
21/10/19
2.3
21/10/19
1.6
16/12/19
0.8
17/02/20
0.9
14/04/20
5.5
25/06/20
3
Limite de quantif.
30/06/20
8
21/08/20
7
25/08/20
5.5
13/10/20
3
23/10/20
5.5
25/11/20
1.1
10/12/20
1.8
18/12/20
1.3
10/02/21
1.9
29/04/21
5
10/06/21
7
13/08/21
9
13/10/21
4.8
13/12/21
1.8
27/10/22
1.2
29/11/22
2.1
26/12/22
2.1
24/02/23
3.2
24/03/23
3.4
27/04/23
3.3
26/05/23
6
29/06/23
6
27/07/23
6
29/08/23
7.3
25/09/23
6.9