RUISSEAU DE HAUTE FOY A LES HERBIERS, paramètre Nitrates
mg(NO3)/L
25/01/21
45
24/02/21
39
25/03/21
38
27/04/21
40
19/05/21
30
23/06/21
20
25/06/21
33
29/07/21
24
25/08/21
25
22/09/21
31
20/10/21
21
24/11/21
24
27/12/21
26