BOULOGNE à LES LUCS-SUR-BOULOGNE, paramètre Nitrates mg(NO3)/L

15/01/13
27
11/02/13
12
11/03/13
23
08/04/13
24
14/05/13
15
13/06/13
24
09/07/13
7.8
12/08/13
0.81
12/09/13
0.5
Limite de quantif.
10/10/13
0.94
18/11/13
40
09/12/13
29
14/01/14
20
10/02/14
13
17/03/14
19
08/04/14
15
15/05/14
13
18/06/14
8.1
09/07/14
3.4
11/08/14
3.5
11/09/14
1.7
13/10/14
2.3
18/11/14
39
09/12/14
26
08/01/15
26
18/02/15
24
12/03/15
24
07/04/15
17
13/05/15
21
15/06/15
9.8
06/07/15
4.7
17/08/15
0.5
Limite de quantif.
21/09/15
48
20/10/15
8.9
10/11/15
1.1
10/12/15
22
12/01/16
22
16/02/16
21
10/03/16
18
11/04/16
17
17/05/16
14
22/06/16
14
20/07/16
3
25/08/16
0.5
Limite de quantif.
20/09/16
0.5
Limite de quantif.
17/10/16
0.5
Limite de quantif.
15/11/16
0.5
Limite de quantif.
14/12/16
2.9
10/01/17
16
14/02/17
55
14/03/17
40
11/04/17
18
16/05/17
4.3
13/06/17
1.3
12/07/17
0.5
Limite de quantif.
09/08/17
0.5
Limite de quantif.
13/09/17
0.5
Limite de quantif.
10/10/17
0.5
Limite de quantif.
14/11/17
0.5
Limite de quantif.
05/12/17
0.5
Limite de quantif.
09/01/18
65
08/02/18
43
06/03/18
30
10/04/18
22
15/05/18
14
12/06/18
21
10/07/18
6.3
02/08/18
1.1
04/09/18
0.5
Limite de quantif.
09/10/18
0.5
Limite de quantif.
13/11/18
19
11/12/18
67