SEVREAU à NIORT, paramètre Demande Biochimique en oxygène en 5 jours (D.B.O.5) mg(O2)/L

23/02/10
0.9
04/05/10
2.8
30/06/10
3.2
23/08/10
1.4
07/10/10
0.7
06/12/10
2.2
24/02/11
1.6
02/05/11
2.1
30/06/11
2.3
22/08/11
0.8
04/10/11
1.1
12/12/11
1.5
22/02/12
1.7
09/05/12
0.9
27/06/12
1.3
23/08/12
1.1
08/10/12
0.6
19/12/12
1.6
18/02/13
0.9
06/05/13
1.2
24/06/13
0.65
19/08/13
0.8
07/10/13
0.5
Limite de quantif.
16/12/13
1.1
17/02/14
1.2
05/05/14
1.1
23/06/14
1.1
21/08/14
0.9
08/10/14
0.6
15/12/14
0.9
23/02/15
1.6
04/05/15
2.1
22/06/15
0.6
19/08/15
0.7
20/10/15
0.8
15/12/15
0.9
22/02/16
0.5
Limite de quantif.
09/05/16
1.3
20/06/16
0.6
23/08/16
0.5
Limite de quantif.
25/10/16
0.9
13/12/16
1
22/02/17
1.4
10/05/17
1
21/06/17
0.6
23/08/17
0.7
25/10/17
0.5
Limite de quantif.
13/12/17
1.9
21/02/18
1.6
16/05/18
1.5
20/06/18
0.5
22/08/18
0.7
17/10/18
0.5
Limite de quantif.
12/12/18
1.5
20/02/19
1.6
15/05/19
1.3
19/06/19
1
23/08/19
2.8
16/10/19
1.9
11/12/19
1.2
21/02/20
1.1
15/05/20
3
17/06/20
0.6
19/08/20
3.1
14/10/20
1.2
09/12/20
1.8
19/02/21
1.2
21/05/21
0.8
23/06/21
0.7
25/08/21
1.6
20/10/21
2.1
15/12/21
1.9
23/02/22
0.5
Limite de quantif.
18/05/22
2.1
24/06/22
1