SARTHE à SAINT-MARCEAU, paramètre Nitrates mg(NO3)/L

19/02/13
32.5
02/04/13
7.3
27/06/13
29
23/08/13
25
17/10/13
24
02/12/13
28
19/02/14
21
16/04/14
33
20/06/14
25
22/08/14
21
17/10/14
20
18/12/14
21
24/02/15
20
09/04/15
24
19/06/15
24
20/08/15
16
21/10/15
19
21/12/15
21
09/02/16
22.1
20/04/16
22.7
06/06/16
11.1
23/08/16
21.8
19/10/16
22.8
07/12/16
22.1
08/02/17
41.1
11/04/17
17.4
23/06/17
11.5
10/08/17
8.6
19/10/17
12
15/12/17
31
09/01/18
30
14/02/18
26
13/03/18
25
12/04/18
35
15/05/18
23
06/07/18
23
17/08/18
22
13/09/18
20
17/10/18
19
13/11/18
20
12/12/18
36
04/04/19
27
14/06/19
18
05/08/19
16
10/10/19
15
04/12/19
31
14/02/20
23
17/04/20
30
11/06/20
31
04/08/20
22
14/10/20
18
04/12/20
20
24/02/21
29
07/04/21
25
04/06/21
18
11/08/21
16
06/10/21
23
06/12/21
22
09/02/22
25
12/04/22
15
10/06/22
21
10/08/22
13
06/10/22
15
06/12/22
28
07/02/23
30
07/04/23
22
07/06/23
19
16/08/23
16
13/10/23
19