RAU DU LOUP PENDU À FRESNAY-EN-RETZ, paramètre Nitrates mg(NO3)/L

22/01/15
42
25/03/15
99
20/05/15
110
17/06/15
180
14/10/15
150
16/11/15
160
26/01/16
70
23/03/16
130
25/05/16
110
22/06/16
110
17/11/16
43
24/01/17
200
14/03/17
50
17/05/17
210
14/06/17
50
26/02/18
22
25/04/18
41
27/06/18
99
17/12/18
21
08/02/19
21
18/04/19
50
26/06/19
12
16/12/19
15
06/02/20
27
18/05/20
240
17/06/20
34
12/11/20
40
03/12/20
78
15/02/22
16
04/04/22
170