ROULE-CROTTE à ARNAGE, paramètre Orthophosphates (PO4) mg(PO4)/L

15/01/14
0.14
26/02/14
0.1
21/03/14
0.08
02/04/14
0.06
19/05/14
0.07
05/06/14
0.11
31/07/14
0.11
28/08/14
0.09
04/09/14
0.08
27/10/14
0.13
19/11/14
0.07
03/12/14
0.08
13/01/15
0.06
11/02/15
0.03
20/03/15
0.05
10/04/15
0.02
27/05/15
0.05
02/06/15
0.07
20/07/15
0.12
21/08/15
0.09
17/09/15
0.07
23/10/15
0.06
20/11/15
0.07
23/12/15
0.05
19/02/20
0.077
12/06/20
0.051
06/08/20
0.033
15/10/20
0.034
20/11/20
0.04
08/12/20
0.043
09/04/21
0.028
08/06/21
0.059
13/08/21
0.088
08/10/21
0.096
08/12/21
0.069