ROCHER À ASSÉ-LE-BOISNE, paramètre Orthophosphates (PO4)
mg(PO4)/L
08/02/17
0.457
07/04/17
0.377
23/06/17
0.751
10/08/17
0.957
17/10/17
0.7
13/12/17
0.257
12/02/19
0.123
03/04/19
0.048
13/06/19
0.342
02/08/19
1.12
09/10/19
0.618
03/12/19
0.148