RAU DE LA VALLEE ou JEANNEAU à RIAILLE, paramètre Demande Biochimique en oxygène en 5 jours (D.B.O.5) mg(O2)/L

18/02/13
2.1
23/04/13
0.9
20/06/13
1.9
19/08/13
1.3
16/10/13
0.6
16/12/13
2
22/04/14
2.2
17/06/14
5.2
21/08/14
1.7
17/10/14
1.8
15/12/14
3.3
13/02/15
1.9
22/04/15
1.6
15/06/15
1.6
24/08/15
4.2
12/10/15
1.6
10/12/15
2.1
19/02/16
1.8
20/04/16
1.1
15/06/16
1
25/08/16
0.5
Limite de quantif.
13/10/16
0.5
20/12/16
1.1
20/02/17
1.3
19/04/17
1.4
21/06/17
0.9
29/08/17
0.5
18/10/17
1.1
11/12/17
3.8
11/01/18
1.9
15/02/18
3.2
22/03/18
0.8
17/04/18
1
28/05/18
0.5
19/06/18
1.1
31/07/18
1.7
21/08/18
0.5
Limite de quantif.
05/09/18
1
19/10/18
1
07/11/18
2.1
11/12/18
1.2
06/02/19
1.3
17/04/19
0.9
05/07/19
1.1
22/08/19
0.8
21/10/19
0.9
26/02/20
2.5
16/04/20
0.9
25/06/20
0.8
25/08/20
0.5
Limite de quantif.
23/10/20
1.1
18/12/20
1.1
24/02/21
0.9
23/04/21
0.5
Limite de quantif.
24/06/21
0.7
16/08/21
0.5
Limite de quantif.
26/10/21
1
22/12/21
1.8
23/02/22
0.9
21/04/22
1
28/06/22
1
23/08/22
1.2
26/10/22
1.8
28/12/22
0.5
Limite de quantif.
23/02/23
1.1
26/04/23
1.5
28/06/23
4
28/08/23
4.4
26/10/23
4