ETIER DU DAIN À SAINT-GERVAIS, paramètre Orthophosphates (PO4) mg(PO4)/L

22/01/15
0.2
21/04/15
0.42
20/05/15
0.23
17/06/15
0.26
18/08/15
0.05
14/10/15
0.16
16/02/16
0.2
26/04/16
0.18
24/05/16
0.17
21/06/16
0.22
17/08/16
0.23
18/10/16
0.036
14/02/17
0.065
19/04/17
0.069
16/05/17
0.052
13/06/17
0.15
16/08/17
0.09
09/10/17
0.11
22/02/18
0.14
17/04/18
0.3
17/05/18
0.28
21/06/18
0.72
13/08/18
0.23
11/10/18
0.062