ROULE-CROTTE à ARNAGE, paramètre Demande Biochimique en oxygène en 5 jours (D.B.O.5) mg(O2)/L

15/01/14
3.3
26/02/14
2.8
21/03/14
3.4
02/04/14
2.5
19/05/14
3.2
05/06/14
3.5
31/07/14
2.4
28/08/14
2
04/09/14
2.2
27/10/14
2.1
19/11/14
2.8
03/12/14
2.7
13/01/15
2.8
11/02/15
2.9
20/03/15
2.1
10/04/15
2.6
27/05/15
2
02/06/15
2.2
20/07/15
3
21/08/15
1.7
17/09/15
2.2
23/10/15
3.3
20/11/15
3.7
23/12/15
1
19/02/20
2.5
12/06/20
5.2
06/08/20
2.5
15/10/20
1.6
20/11/20
1.5
08/12/20
1.1
09/04/21
2.3
08/06/21
2.7
13/08/21
1.3
08/10/21
4.8
08/12/21
2.5