BRIANTE à ALENCON, paramètre Nitrates
mg(NO3)/L
19/07/22
17
22/08/22
15
19/09/22
16
06/10/22
16
03/11/22
5.9
15/11/22
8.9
01/12/22
13
05/01/23
8.8
07/02/23
13
20/03/23
6.1
24/03/23
4.9
07/04/23
7
10/05/23
5.6
11/05/23
5.9
07/06/23
15
05/07/23
12
16/08/23
13
06/09/23
13
26/09/23
21