ORSON A NOYAL-CHATILLON-SUR-SEICHE, paramètre Nitrates mg(NO3)/L

12/01/16
18
03/02/16
24
10/03/16
16
12/04/16
21
10/05/16
16
08/06/16
12
11/07/16
13
10/08/16
2.2
07/11/16
0.7
01/12/16
4.6
05/01/17
8.5
14/02/17
34.3
06/03/17
13
13/04/17
14.2
11/05/17
15
20/06/17
2
11/09/17
1
09/10/17
1.4
08/11/17
3.3
21/12/17
19
12/02/18
32
16/04/18
23
04/05/18
16
21/06/18
18
09/07/18
25
01/08/18
5.4
08/10/18
3.4
12/11/18
3.7
17/12/18
21