RAU DE LA PERCHE à PLEUGRIFFET, paramètre Nitrates mg(NO3)/L

26/01/16
46
22/02/16
50
30/03/16
45
25/05/16
46
28/06/16
40
27/07/16
53
23/08/16
44
28/09/16
14
23/11/16
22
21/12/16
22
30/01/17
30
27/02/17
30
28/03/17
39
13/04/17
35.6
24/04/17
43
30/05/17
17
22/06/17
33.5
27/06/17
17
26/07/17
18
21/08/17
23
29/08/17
8.9
26/09/17
17
17/10/17
16
30/10/17
18
28/11/17
16
19/12/17
34
30/01/18
46
15/02/18
35
27/02/18
55
28/03/18
72
19/04/18
43
24/04/18
64
30/05/18
48
18/06/18
34
27/06/18
39
02/08/18
36
23/10/18
40
29/11/18
42
31/01/19
38
27/02/19
74
28/03/19
47
30/04/19
40
28/05/19
44
26/06/19
39
31/07/19
48
24/09/19
10
30/10/19
23
27/11/19
71
16/12/19
48