GUE CHATENAY A TALMONT-SAINT-HILAIRE, paramètre Demande Biochimique en oxygène en 5 jours (D.B.O.5) mg(O2)/L

28/03/18
2.6
31/05/18
1.3
20/06/18
1
24/09/18
2.3
22/10/18
6
17/12/18
1.2
18/02/19
1.2
20/05/19
1.3
24/06/19
2
23/09/19
34
21/10/19
1.6
16/12/19
3.4
13/01/20
1.5
10/02/20
1.3
09/03/20
1.6
26/05/20
0.7
23/06/20
1.4
16/07/20
1.3
25/08/20
1.3
15/09/20
2
15/10/20
2.3
12/11/20
1.3
17/12/20
2.2