BOIRE DE LA ROCHE À SAINT-JULIEN-DE-CONCELLES, paramètre Nitrates mg(NO3)/L

20/02/13
47.5
29/04/13
44.9
17/06/13
45.2
20/08/13
23.6
22/10/13
28
13/12/13
49
18/02/14
35
23/04/14
40
18/06/14
17
22/08/14
39
14/10/14
38
16/12/14
25
25/02/16
24.8
25/04/16
36.2
24/06/16
21.7
23/08/16
10.7
18/10/16
20.1
16/12/16
27.9
27/02/17
44.9
26/04/17
31
28/06/17
12.7
28/08/17
3.5
25/10/17
14
18/12/17
61