RAU DE L'ETANG PETREAU A BOUILLE-LORETZ, paramètre Orthophosphates (PO4)
mg(PO4)/L
03/02/16
0.35
11/04/16
0.138
16/06/16
0.785
10/10/16
0.066
16/12/16
0.095
22/02/22
0.28
20/04/22
0.53