ERVE à SABLE-SUR-SARTHE, paramètre Nitrates mg(NO3)/L

28/01/13
14
21/02/13
33.4
15/03/13
31.3
10/04/13
22.1
17/05/13
31.5
24/06/13
24.3
10/07/13
25.2
27/08/13
22.5
19/09/13
24.9
29/10/13
19
27/11/13
27
10/12/13
29
25/02/14
21
27/03/14
24
25/04/14
29
20/05/14
25
25/06/14
24
16/07/14
22
28/08/14
25
05/09/14
15
27/10/14
15
20/11/14
19
22/12/14
15
14/01/15
23
12/02/15
29
17/03/15
26
22/04/15
19
22/05/15
22
04/06/15
22
22/07/15
14
26/08/15
13
17/09/15
16
23/10/15
15
23/11/15
15
02/12/15
26
21/02/18
30
27/04/18
26
22/06/18
26
24/08/18
15
26/10/18
12
19/12/18
47