SEVRE NANTAISE à MORTAGNE-SUR-SEVRE, paramètre Nitrates mg(NO3)/L

21/01/13
20
21/02/13
27
21/03/13
16
16/04/13
19
16/05/13
20
11/06/13
16
03/07/13
16
08/08/13
8.2
17/09/13
6.3
15/10/13
8.3
20/11/13
25
12/12/13
26
21/01/14
21
18/02/14
17
11/03/14
20
07/04/14
17
19/05/14
15
17/06/14
14
08/07/14
14
05/08/14
9.4
09/09/14
10
07/10/14
11
13/11/14
17
10/12/14
20
07/01/15
20
11/02/15
27
11/03/15
25
15/04/15
18
12/05/15
18
16/06/15
16
07/07/15
7
18/08/15
4.1
17/09/15
10
14/10/15
15
18/11/15
12
16/12/15
23
14/01/16
21
08/02/16
20
09/03/16
20
13/04/16
18
11/05/16
16
13/06/16
17
13/07/16
14
16/08/16
6
12/09/16
3.6
10/10/16
7.4
10/11/16
9.1
05/12/16
14
04/01/17
19
06/02/17
22
07/03/17
20
05/04/17
21
10/05/17
14
07/06/17
6.4
05/07/17
2.2
02/08/17
0.5
Limite de quantif.
06/09/17
1.4
04/10/17
1.7
07/11/17
2.7
14/12/17
12
15/01/18
31
19/02/18
19
12/03/18
22
16/04/18
19
22/05/18
16
18/06/18
14
19/07/18
9.7
07/08/18
5.9
10/09/18
5.1
15/10/18
6.1
19/11/18
28
17/12/18
26