RUISSEAU DE LA TOUCHOU A LA TESSOUALLE, paramètre Nitrates mg(NO3)/L

16/01/15
31
19/02/15
29
17/03/15
21
15/04/15
16
02/06/15
12
12/10/15
15
12/11/15
6.4
08/12/15
21
02/03/16
22
30/03/16
17
19/04/16
17
21/06/16
8.9
13/12/16
1.7
08/03/17
43
11/04/17
12
05/03/19
22.4
09/04/19
18.7
17/06/19
7.7
04/11/19
32.2
02/12/19
54.6