LE BLANC A SAINT-LAURENT-SUR-SEVRE, paramètre Orthophosphates (PO4) mg(PO4)/L

30/03/20
0.059
23/04/20
0.26
20/05/20
0.34
29/06/20
0.64
29/09/20
0.21
30/10/20
0.27
01/11/20
0.22
23/12/20
0.32
18/01/21
0.13
09/02/21
0.18
08/03/21
0.071
15/04/21
0.11
10/05/21
0.23
07/06/21
0.54
12/07/21
0.51
16/08/21
0.71
11/10/21
0.48
08/11/21
0.33
06/12/21
0.27