VILAINE à CHATEAUBOURG, paramètre Orthophosphates (PO4) mg(PO4)/L

07/01/13
0.12
05/02/13
0.12
04/03/13
0.07
08/04/13
0.05
13/05/13
0.24
11/06/13
0.15
08/07/13
0.11
06/08/13
0.16
02/09/13
0.08
08/10/13
0.07
06/11/13
0.19
05/12/13
0.09
07/01/14
0.19
05/02/14
0.13
03/03/14
0.12
08/04/14
0.06
13/05/14
0.12
11/06/14
0.14
09/07/14
0.14
05/08/14
0.2
10/09/14
0.1
08/10/14
0.08
04/11/14
0.16
02/12/14
0.11
13/01/15
0.14
11/02/15
0.11
04/03/15
0.11
02/04/15
0.08
05/05/15
0.12
03/06/15
0.13
07/07/15
0.15
04/08/15
0.09
09/09/15
0.07
30/09/15
0.05
28/10/15
0.07
03/12/15
0.12