RAU DE CHANTEGROS A SAINT-HILAIRE-DES-LOGES, paramètre Nitrates
mg(NO3)/L
24/02/14
45
14/04/14
39
24/06/14
39
18/08/14
34
20/10/14
40
22/12/14
12
05/02/18
49
03/04/18
47
05/06/18
38
02/08/18
38
02/10/18
31
04/12/18
60
08/02/19
48
26/04/19
37
20/06/19
39
29/08/19
34
18/10/19
24
20/12/19
36