RUISSEAU DU MARCHAIS A COURLAY, paramètre Nitrates
mg(NO3)/L
28/11/17
10.9
18/12/17
10.7
22/02/18
27.8
24/04/18
20.8
29/06/18
16.3
24/07/18
15.6
30/08/18
15.7
18/12/18
24.1
26/02/19
25.2
26/04/19
11.5
23/05/19
15.6
27/06/19
15.3
26/07/19
13.6
28/08/19
14.4
01/10/19
13.9
28/11/19
21.6
13/12/19
18.7