ACHENEAU à PORT-SAINT-PERE, paramètre Demande Biochimique en oxygène en 5 jours (D.B.O.5) mg(O2)/L

16/02/10
3
15/04/10
5.2
11/06/10
6.3
11/08/10
3.2
22/10/10
5
07/12/10
2.2
18/02/11
2
19/04/11
4.7
16/06/11
7
29/08/11
13
27/10/11
7
12/12/11
0.5
08/02/12
3.6
19/04/12
5.4
04/06/12
7
30/08/12
3.3
30/10/12
4.3
14/12/12
2.4
11/02/13
1
24/06/13
7.1
20/08/13
2
18/10/13
3.6
04/12/13
3.9
17/02/14
1.7
29/04/14
8
26/06/14
3.5
10/09/14
3.1
23/10/14
3.4
23/12/14
2.2
26/02/15
5.5
02/04/15
6
16/06/15
7
13/08/15
2.8
29/10/15
5.8
14/12/15
4
23/02/16
3.6
21/06/16
4.4
18/08/16
3.4
17/10/16
5.5
15/12/16
2.1
28/02/17
5.5
10/04/17
5.9
09/06/17
7
07/08/17
1.9
23/10/17
2.4
14/12/17
4.7
28/02/18
5.7
27/04/18
3.1
29/06/18
3.6
31/08/18
3.5
25/10/18
1.8
21/12/18
4.1
28/02/19
4.4
26/04/19
5.2
26/06/19
5.1
30/08/19
4.7
22/10/19
4.5