FESSARD à ROEZE-SUR-SARTHE, paramètre Orthophosphates (PO4)
mg(PO4)/L
21/02/13
0.159
10/04/13
0.171
24/06/13
0.8
26/02/14
0.21
28/08/14
0.29
27/10/14
0.28
03/12/14
0.32
10/02/16
0.367
22/04/16
0.21
08/06/16
0.231
25/08/16
0.381
21/10/16
0.194
12/12/16
0.358