LA BOUTIERE A SAINT-ETIENNE-DU-BOIS, paramètre Nitrates
mg(NO3)/L
10/01/22
10
07/02/22
15
07/03/22
14
04/04/22
14
09/05/22
12
07/11/22
7.5
05/12/22
33
19/01/23
22
09/02/23
21
06/03/23
18
11/04/23
13
09/05/23
6.8