FL SEVRE NIORTAISE A ECHIRE, paramètre Nitrates mg(NO3)/L

26/03/12
37
09/05/12
35
16/07/12
29
20/08/12
24
08/10/12
24
10/12/12
37
06/03/13
45
02/05/13
39
22/07/13
39
20/08/13
36
08/10/13
31
09/12/13
42
05/03/14
30
19/05/14
36
15/07/14
37
20/08/14
35
08/10/14
32
11/12/14
36
03/03/15
30
18/05/15
34
15/07/15
25
18/08/15
25
20/10/15
33
14/12/15
34
03/03/16
34
18/05/16
34
18/07/16
27
16/08/16
19
25/10/16
27
08/12/16
28
14/03/17
39
10/05/17
34
11/07/17
25
17/08/17
17
25/10/17
22
07/12/17
26
14/03/18
34
16/05/18
34
12/07/18
35
13/08/18
23.3
17/10/18
27.6
21/12/18
36.8
13/03/19
34
20/05/19
36.2
10/07/19
34.1
12/08/19
24
16/10/19
27.6
26/12/19
40.8
11/03/20
34.7
18/05/20
37.1
15/07/20
31.9
24/08/20
27
14/10/20
30.3
23/12/20
32.1
24/03/21
35.2
26/05/21
32.8
21/07/21
31.8
25/08/21
20.6
20/10/21
21
23/12/21
31.2
16/03/22
32.3
18/05/22
32.8
20/07/22
12.6
19/08/22
11.5
19/10/22
24.2
14/12/22
30
16/03/23
30.2
15/05/23
32
19/07/23
24.7
16/08/23
21.8
16/10/23
27.9
07/12/23
36