PLESSIS BEUCHER (LA VILAINE), paramètre Nitrates
mg(NO3)/L
18/01/22
26.4
11/04/22
17.9
09/05/22
13.6
30/08/22
1.6
14/11/22
5.9
14/12/22
8.7
15/02/23
32.8
11/04/23
24.5
12/06/23
10.2
23/08/23
4.7
11/10/23
2.6
07/12/23
25.8