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

23/02/10
1.2
04/05/10
4.8
30/06/10
3
23/08/10
6
07/10/10
3.6
06/12/10
1.5
24/02/11
2
02/05/11
3.3
30/06/11
4
22/08/11
3.1
04/10/11
2.8
12/12/11
1.2
22/02/12
2.4
09/05/12
1.1
27/06/12
4
23/08/12
2.7
08/10/12
1.7
19/12/12
1.1
18/02/13
0.9
06/05/13
2.4
24/06/13
0.9
19/08/13
2.3
07/10/13
0.7
16/12/13
1.2
17/02/14
1.4
05/05/14
1.1
23/06/14
4.3
21/08/14
0.9
08/10/14
0.6
15/12/14
0.9
23/02/15
1.8
04/05/15
1.6
22/06/15
1.4
19/08/15
1.9
20/10/15
0.9
15/12/15
1.2
22/02/16
1
09/05/16
1.4
20/06/16
0.6
23/08/16
3.2
25/10/16
3.6
13/12/16
0.7
22/02/17
1.7
10/05/17
1.8
21/06/17
2.2
23/08/17
0.6
25/10/17
3
Limite de quantif.
13/12/17
2.1
21/02/18
1.7
16/05/18
1
20/06/18
0.5
22/08/18
1.4
17/10/18
1.9
12/12/18
2.2
20/02/19
1.8
15/05/19
1.3
19/06/19
3.3
23/08/19
2.6
16/10/19
0.9
11/12/19
1.3
21/02/20
1.3
15/05/20
2.8
17/06/20
0.5
Limite de quantif.
19/08/20
1.1
14/10/20
5.5
09/12/20
2.2
19/02/21
1.3
21/05/21
4.6
23/06/21
1.2
25/08/21
1.5
20/10/21
2
15/12/21
6
23/02/22
1.5
18/05/22
6
24/06/22
2.1