BARDOU A LE LOROUX-BOTTEREAU, paramètre Nitrates mg(NO3)/L

31/01/18
21.3
27/02/18
17
26/03/18
9.6
27/04/18
5.5
25/05/18
2.2
26/06/18
0.9
30/11/18
94.7
20/12/18
24.5
28/01/20
9.2
26/02/20
5.5
25/03/20
3.9
29/04/20
2.5
27/05/20
0.7
24/06/20
6.8
28/10/20
37
25/11/20
27
22/12/20
12