LA DUE A THORIGNE-SUR-DUE, paramètre Nitrates mg(NO3)/L

16/01/14
25
21/02/14
26
21/03/14
35
01/04/14
32
19/05/14
35
02/06/14
35
11/07/14
33
27/08/14
27
04/09/14
37
19/11/14
31
02/12/14
33
13/01/15
30
10/02/15
35
20/03/15
33
08/04/15
37
21/05/15
35
01/06/15
34
20/07/15
35
16/09/15
22
22/10/15
34
20/11/15
25
22/12/15
33