ORNE CHAMPENOISE à ETIVAL-LES-LE-MANS, paramètre Orthophosphates (PO4)
mg(PO4)/L
14/02/17
0.076
13/04/17
0.04
26/06/17
0.096
21/08/17
0.116
24/10/17
0.044
18/12/17
0.062
14/02/19
0.049
10/04/19
0.015
19/06/19
0.087
12/08/19
0.123
22/10/19
0.1
10/12/19
0.147