LE BETZ A HAUTERIVE, paramètre Orthophosphates (PO4)
mg(PO4)/L
20/03/19
0.083
21/05/19
0.22
23/07/19
0.22
22/08/19
0.16
19/09/19
0.11
20/11/19
0.11
20/07/22
0.145
23/08/22
0.087
20/09/22
0.12
16/11/22
0.056
21/03/23
0.079
09/05/23
0.31