SEVRE NANTAISE à VERNOUX-EN-GATINE, paramètre Orthophosphates (PO4)
mg(PO4)/L
21/07/16
0.11
22/08/16
0.09
26/09/16
0.09
21/10/16
0.08
23/11/16
0.37
19/12/16
0.14