RAU D'ARMANGE À CHALONNES-SUR-LOIRE, paramètre Orthophosphates (PO4)
mg(PO4)/L
25/04/14
0.57
12/06/14
0.6
08/08/14
1.3
30/10/14
0.81
22/12/14
0.69
28/02/18
0.232
27/04/18
0.409
28/06/18
0.397
30/10/18
0.474
21/12/18
0.959
26/02/19
0.35
24/04/19
0.482
21/06/19
0.467
21/08/19
0.627
30/10/19
0.52
23/12/19
0.507