BUTTE DE LA ROCHE A LE LOROUX-BOTTEREAU, paramètre Nitrates
mg(NO3)/L
02/02/18
33.8
27/02/18
40.8
26/03/18
29.4
27/04/18
49.1
25/05/18
30.7
26/06/18
79.6
29/10/18
4.5
30/11/18
37.2
20/12/18
19.6
28/01/20
15
26/02/20
20
25/03/20
40
29/04/20
11
24/06/20
29
28/10/20
22
25/11/20
34
22/12/20
10