CANAL DE QUILLY À GUENROUET, paramètre Nitrates
mg(NO3)/L
18/04/11
9.8
16/05/11
5.5
15/12/11
32.9
10/02/21
6.5
29/04/21
6.7
10/06/21
3.3
13/12/21
23
04/02/22
11
27/04/22
4.3