RAU DE GRAVELLE À COUDRAY-MACOUARD, paramètre Orthophosphates (PO4)
mg(PO4)/L
03/02/16
0.459
12/04/16
0.265
20/06/16
0.413
17/08/16
1.45
11/10/16
0.469
16/12/16
1.07
17/02/22
0.365
20/04/22
0.149
20/06/22
1.502
16/12/22
0.2