RAU DE GESVRES à VIGNEUX-DE-BRETAGNE, paramètre Demande Biochimique en oxygène en 5 jours (D.B.O.5) mg(O2)/L

23/02/10
1.6
13/04/10
1.5
15/06/10
4.3
10/08/10
1.1
10/10/10
1.3
14/12/10
1.7
08/02/11
1.3
05/04/11
1.6
09/06/11
1.8
09/08/11
0.5
06/10/11
3.1
08/12/11
0.5
28/02/12
1.6
26/04/12
2.3
18/06/12
1.9
21/08/12
0.8
23/10/12
1.7
18/12/12
1.7
27/02/13
2.1
11/04/13
2.7
11/06/13
2.4
12/08/13
0.7
28/10/13
3.3
03/12/13
1.5
26/02/14
1.9
23/04/14
2
23/06/14
1.7
05/08/14
1.2
20/10/14
1.4
17/12/14
2.3
17/02/15
2.4
28/04/15
1.9
18/06/15
1.3
31/08/15
2.6
08/10/15
1.5
22/12/15
1.4
22/02/16
0.5
28/04/16
2.2
30/06/16
1.6
22/08/16
1.1
25/10/16
1.9
02/12/16
1.9
07/02/17
2
11/04/17
2.7
19/06/17
1.9
23/08/17
1.7
18/10/17
2.7
13/12/17
1.1
28/02/18
0.9
27/04/18
2.2
29/06/18
5.9
31/08/18
2.4
19/10/18
1.4
28/02/20
2
25/06/20
1.4
31/08/20
4.7
23/10/20
1.3
25/11/20
0.9
18/12/20
1.6
18/02/21
1.3
23/04/21
1.7
24/06/21
1
27/08/21
0.5
Limite de quantif.
26/10/21
2.4
22/12/21
2.8