BEUSSE A MESANGER, paramètre Orthophosphates (PO4) mg(PO4)/L

30/06/16
4.3
31/08/16
9.9
28/10/16
14
29/12/16
12.2
28/02/17
0.89
28/04/17
2.9
28/02/20
0.57
24/04/20
3.4