* à GUEGON, paramètre Nitrates mg(NO3)/L

26/01/16
55
30/03/16
44
27/04/16
3
25/05/16
45
28/06/16
41
27/07/16
39
23/08/16
34
28/09/16
26
26/10/16
24
23/11/16
24
21/12/16
20
28/02/17
35
28/03/17
45
25/04/17
45
30/05/17
31
27/06/17
21
26/07/17
19
26/09/17
18
30/10/17
18
28/11/17
20
30/01/18
49
24/04/18
50
27/06/18
40
30/07/18
30
27/08/18
30
26/09/18
25
30/10/18
24
29/11/18
28
17/12/18
32
31/01/19
47
27/02/19
58
28/03/19
52
30/04/19
43
28/05/19
43
26/06/19
32
31/07/19
37
27/08/19
27
24/09/19
28
30/10/19
27
27/11/19
43
16/12/19
54
29/01/20
52
26/02/20
57
30/03/20
56
29/04/20
41
27/05/20
48
30/06/20
44
30/07/20
44
27/08/20
38
28/09/20
33
27/10/20
31
25/11/20
45
22/12/20
40
24/01/22
55.8
22/02/22
46.5
28/03/22
48.7
28/04/22
46.1
31/05/22
46.1
28/06/22
35.9
27/07/22
33.4
30/08/22
30.2
27/09/22
27.9
26/10/22
21.1
29/11/22
31.8
20/12/22
29.3