MERMANDE A SAINT-CHRISTOPHE-DU-LIGNERON, paramètre Nitrates
mg(NO3)/L
11/01/22
21
08/02/22
36
08/03/22
38
14/04/22
34
10/05/22
37
14/06/22
34
06/12/22
69
17/01/23
14
21/02/23
38
16/03/23
34
19/04/23
38
11/05/23
30