SEVRE NIORTAISE à CHAURAY, paramètre Demande Biochimique en oxygène en 5 jours (D.B.O.5) mg(O2)/L

03/03/10
1.7
06/05/10
1.2
08/07/10
0.8
24/08/10
0.7
09/09/10
0.6
07/12/10
2.6
16/03/11
0.8
04/05/11
1.3
21/07/11
0.8
23/08/11
0.8
15/09/11
0.7
13/12/11
1.2
26/03/12
1.4
02/05/12
1.1
16/07/12
0.5
20/08/12
0.5
10/09/12
0.6
10/12/12
1.1
06/03/13
0.5
02/05/13
1.5
22/07/13
0.8
20/08/13
0.5
09/09/13
0.6
09/12/13
1.4
05/03/14
1.6
19/05/14
0.9
15/07/14
0.8
20/08/14
0.6
15/09/14
0.5
Limite de quantif.
11/12/14
1.5
03/03/15
1.1
18/05/15
0.8
15/07/15
0.6
18/08/15
0.6
07/09/15
0.5
Limite de quantif.
14/12/15
1.3
03/03/16
1.2
18/05/16
0.9
18/07/16
0.7
16/08/16
0.5
Limite de quantif.
05/09/16
0.8
08/12/16
2
14/03/17
0.6
11/05/17
1.8
11/07/17
0.8
17/08/17
0.6
11/09/17
0.5
Limite de quantif.
07/12/17
1.9
14/03/18
1.2
23/05/18
0.7
12/07/18
0.6
13/08/18
0.5
Limite de quantif.
14/09/18
0.7
21/12/18
1.7
13/03/19
1.6
20/05/19
1.1
10/07/19
0.5
Limite de quantif.
12/08/19
1.6
11/09/19
0.5
Limite de quantif.
20/12/19
0.5
Limite de quantif.
11/03/20
1.4
18/05/20
0.9
15/07/20
1.7
24/08/20
1.5
16/09/20
2.4
23/12/20
2.1
24/03/21
2.4
26/05/21
2.4
21/07/21
2.9
30/08/21
1.3
24/09/21
1.8
23/12/21
2.5
16/03/22
2.4
25/05/22
1.5