RAU VIMELLE A SAINT-HILAIRE-LE-LIERRU, paramètre Nitrates
mg(NO3)/L
16/02/18
33
17/04/18
26
19/06/18
26
21/08/18
25
22/10/18
24
14/12/18
36
12/02/19
38
09/04/19
25
17/06/19
27
08/08/19
26
17/10/19
26
09/12/19
36