LA SANGUÈZE A BEAUPREAU-EN-MAUGES, paramètre Orthophosphates (PO4) mg(PO4)/L

30/10/17
0.86
27/11/17
0.95
19/12/17
0.47
21/02/18
0.19
23/04/18
0.17
24/05/18
0.47
28/06/18
0.42
23/07/18
1.03
30/08/18
1.31
18/10/18
1.37
28/11/18
0.26
25/02/19
0.07
24/04/19
0.19
22/05/19
0.59
27/06/19
0.99
23/10/19
0.95
27/11/19
0.41
12/12/19
0.32