RAU DU PONT HABERT A CHALLANS, paramètre Demande Biochimique en oxygène en 5 jours (D.B.O.5) mg(O2)/L

22/01/15
2.8
25/03/15
2.3
20/05/15
3.2
17/06/15
1.1
14/10/15
1.6
16/11/15
1.3
26/01/16
2.4
23/03/16
1.5
25/05/16
1.4
22/06/16
1.5
19/10/16
3.1
17/11/16
3.2
24/01/17
2.7
14/03/17
1.8
17/05/17
1.4
14/06/17
4.6
10/10/17
1.8
13/11/17
2.2
25/01/18
2
07/03/18
5.7
17/05/18
1.3
21/06/18
2.2
04/10/18
1.4
15/11/18
1.8
29/01/19
1.7
21/03/19
5.1
15/05/19
2
11/06/19
1.7
16/10/19
5.3
20/11/19
1.4
06/02/20
1.9
18/05/20
1.4
17/06/20
1.8
19/10/20
1.3
12/11/20
0.7
03/12/20
2.6
15/02/22
3.3
04/04/22
1.1
03/05/22
1.6
02/06/22
0.5
Limite de quantif.
05/10/22
2.1
09/11/22
4.2