ORTHON À MARESCHE, paramètre Demande Biochimique en oxygène en 5 jours (D.B.O.5)
mg(O2)/L
14/02/18
0.7
12/04/18
1.2
14/06/18
3.3
11/12/18
1.3
13/02/19
0.8
04/04/19
1.4
14/06/19
2.9
04/12/19
1.2
07/11/22
4.1
06/12/22
0.6
10/01/23
8.4
07/02/23
2.9
09/03/23
2.8
07/04/23
2.2
11/05/23
1.3
07/06/23
4
05/07/23
2.9
16/08/23
7.7
08/09/23
9.1