LAYON à CHAUDEFONDS-SUR-LAYON, paramètre Nitrates mg(NO3)/L

27/03/13
15.4
25/04/13
19.6
25/06/13
16
12/07/13
11.4
29/08/13
0.5
Limite de quantif.
23/09/13
2.6
28/10/13
5
15/11/13
28
16/12/13
24
09/04/14
19
25/04/14
14
27/05/14
27
12/06/14
19
31/07/14
6
08/08/14
3.8
25/09/14
8.6
30/10/14
24
21/11/14
15
19/12/14
19
09/01/15
23
17/02/15
20
20/03/15
22
29/04/15
9.6
28/05/15
17
10/06/15
11
23/07/15
1.8
27/08/15
1.5
23/09/15
8.9
21/10/15
9.1
19/11/15
3.6
04/12/15
16
30/10/18
1.2
21/12/18
32
26/02/19
31
24/04/19
10
21/06/19
9.4
21/08/19
0.5
Limite de quantif.
30/10/19
2.3
21/10/22
0.5
Limite de quantif.
23/11/22
3.2
20/12/22
8.3
20/02/23
32
20/03/23
25
20/04/23
11
25/05/23
6.7
20/06/23
3.7
24/07/23
0.5
Limite de quantif.
25/08/23
0.5
Limite de quantif.
19/09/23
3.6