PENDU (LA SARTHE), paramètre Nitrates mg(NO3)/L

19/01/21
35
26/01/21
32
18/02/21
33
02/03/21
30
08/04/21
29
20/04/21
21
18/05/21
18
03/06/21
20
22/06/21
18
21/07/21
17
19/08/21
16
22/09/21
19
05/10/21
21
21/10/21
23
17/11/21
20
28/12/21
25
15/02/22
28
16/03/22
24
20/04/22
18
25/05/22
18
01/06/22
17
17/07/22
12
03/08/22
8
18/08/22
6.5
21/09/22
12
04/10/22
15
18/10/22
16
24/11/22
13
22/12/22
23
17/01/23
30
08/02/23
29
20/02/23
35
20/03/23
20
05/04/23
20
02/05/23
19
15/05/23
17
20/06/23
13
04/07/23
12
24/08/23
11
06/09/23
12
20/10/23
15
24/11/23
22
07/12/23
30