RAU PETIT FOUGERAIS A THOUARSAIS-BOUILDROUX, paramètre Nitrates mg(NO3)/L

29/05/12
46
19/06/12
37.6
16/07/12
38
14/09/12
35.8
11/10/12
26.8
23/11/12
45.4
24/02/14
31
14/04/14
35
24/06/14
40
18/08/14
33
22/10/14
37
22/12/14
10
21/01/19
45
11/02/19
39
11/03/19
38
08/04/19
38
06/05/19
38
03/06/19
39
01/07/19
37
06/08/19
33
05/09/19
32
07/10/19
24
04/11/19
31
02/12/19
36
05/02/20
36
11/03/20
26
27/05/20
43
16/06/20
8.4
17/06/20
31
19/08/20
31
20/08/20
31
10/09/20
34
19/10/20
35
23/11/20
41
10/12/20
21
16/12/20
37
12/01/22
35
14/02/22
36
14/03/22
23
11/04/22
29
16/05/22
34
20/06/22
30
11/07/22
31
14/11/22
16
14/12/22
32