EGRAY à SAINTE-OUENNE, paramètre Nitrates mg(NO3)/L

23/01/12
32.5
21/02/12
29.4
22/03/12
21.4
27/04/12
19.3
25/05/12
25.3
13/06/12
23.2
18/07/12
19
16/10/12
37.5
06/11/12
32.9
11/12/12
30.8
23/01/13
26.4
25/02/13
34.9
07/03/13
32.3
11/04/13
15.2
30/05/13
22.8
14/06/13
21.1
05/07/13
23.2
28/08/13
23.7
18/09/13
19.6
25/10/13
18
14/11/13
36
20/12/13
26
28/01/14
25
25/02/14
26
26/03/14
22
14/04/14
22
06/05/14
23
24/06/14
20
30/07/14
21
18/08/14
20
23/09/14
19
20/10/14
19
27/11/14
22
22/12/14
26
26/01/15
30
25/02/15
26
12/03/15
28
28/04/15
24
27/05/15
28
25/06/15
25
02/07/15
24
24/08/15
14
21/09/15
31
28/10/15
14
26/11/15
28
09/12/15
24
07/02/19
34
26/04/19
21
18/10/19
29
19/12/19
33
18/02/21
28
12/04/21
22
23/06/21
12
20/08/21
11
17/12/21
26