PETITE BOULOGNE à CHAPELLE-PALLUAU, paramètre Demande Biochimique en oxygène en 5 jours (D.B.O.5) mg(O2)/L

17/01/13
3.2
19/02/13
1.2
14/03/13
2.8
11/04/13
4.3
21/05/13
3.8
17/06/13
3.7
11/07/13
2
28/08/13
0.5
Limite de quantif.
18/09/13
1.4
16/10/13
4.3
13/11/13
2.5
17/12/13
1.7
16/01/14
2.8
13/02/14
3
13/03/14
2.1
15/04/14
1.4
20/05/14
1.9
12/06/14
2.3
17/07/14
0.5
Limite de quantif.
19/08/14
3.2
17/09/14
0.8
14/10/14
2.5
19/11/14
1.9
18/12/14
2.6
14/01/15
2.4
17/02/15
2.5
18/03/15
2.3
14/04/15
1.5
20/05/15
2.4
11/06/15
1.1
16/07/15
0.5
20/08/15
0.5
Limite de quantif.
22/09/15
1.1
13/10/15
1.2
12/11/15
1.3
08/12/15
1.7
07/01/16
3.1
10/02/16
2.1
15/03/16
1.3
20/04/16
1.7
12/05/16
1.5
14/06/16
2
12/07/16
0.5
Limite de quantif.
18/08/16
1.1
14/09/16
1.3
11/10/16
0.8
08/11/16
1.2
06/12/16
2.6
03/01/17
3.3
07/02/17
5.6
06/03/17
4.3
04/04/17
1.2
09/05/17
3
06/06/17
3
Limite de quantif.
04/07/17
0.9
01/08/17
0.5
04/09/17
1.4
03/10/17
2.2
09/11/17
5.5
12/12/17
6
17/01/18
2.4
13/02/18
3.5
14/03/18
6
18/04/18
2.1
24/05/18
2.4
21/06/18
1.9
18/07/18
0.5
09/08/18
1
12/09/18
0.7
17/10/18
4.9
21/11/18
3.8
19/12/18
2.5
29/01/19
3.3
19/02/19
1.5
19/03/19
4.1
18/04/19
1.6
15/05/19
4.1
12/06/19
3.5
09/07/19
2.2
13/08/19
0.5
10/09/19
0.8
15/10/19
3.6
13/11/19
2.1
10/12/19
0.6
07/02/20
2.2
29/06/20
2.6
21/08/20
2.1
27/10/20
4.1
12/11/20
2.2
23/12/20
1.7
15/02/21
1.7
26/04/21
2.7
25/06/21
0.5
Limite de quantif.
31/08/21
3
Limite de quantif.
27/10/21
2.8
27/12/21
3
Limite de quantif.
07/03/22
1.6
04/04/22
1.3
09/05/22
1
13/06/22
0.5
Limite de quantif.
05/07/22
0.5
Limite de quantif.
04/10/22
1.4
25/10/22
5.9
07/11/22
4.9
23/11/22
3.6
05/12/22
1.3
28/12/22
1.2
30/01/23
2.5
22/02/23
1.7
29/03/23
1.7
24/04/23
1.8
25/05/23
2.4
26/06/23
1.7
25/07/23
1
24/08/23
1.3
28/09/23
2.9