POYET A VALLET, paramètre Nitrates
mg(NO3)/L
31/01/18
12.7
27/02/18
11.2
26/03/18
7.2
27/04/18
6.8
25/05/18
4.1
26/06/18
3.2
30/11/18
10.3
20/12/18
7.6
28/01/20
2.4
26/02/20
2
25/03/20
4.4
29/04/20
6.2
27/05/20
3.2
24/06/20
5.5
29/07/20
4.2
28/10/20
2.6
25/11/20
6.2
22/12/20
3.2