ORSON A NOYAL-CHATILLON-SUR-SEICHE, paramètre Orthophosphates (PO4) mg(PO4)/L

12/01/16
0.18
03/02/16
0.24
10/03/16
0.33
12/04/16
0.12
08/06/16
0.41
11/07/16
0.39
10/08/16
0.63
07/11/16
0.66
01/12/16
0.13
05/01/17
0.18
14/02/17
0.156
06/03/17
0.2
13/04/17
0.339
11/05/17
0.34
20/06/17
0.244
11/09/17
0.33
09/10/17
0.021
08/11/17
0.13
21/12/17
0.045
12/02/18
0.209
16/04/18
0.216
04/05/18
0.28
21/06/18
0.382
09/07/18
0.39
01/08/18
0.304
08/10/18
0.324
12/11/18
0.19
17/12/18
0.236