BOIVRE à SAINT-PERE-EN-RETZ, paramètre Orthophosphates (PO4) mg(PO4)/L

11/02/13
0.34
25/04/13
0.44
24/06/13
0.65
20/08/13
0.1
18/10/13
0.33
04/12/13
0.23
17/02/14
0.3
29/04/14
0.23
26/06/14
0.87
10/09/14
0.93
23/10/14
0.63
23/12/14
0.23
19/02/15
0.2
02/04/15
0.74
16/06/15
0.45
13/08/15
0.03
29/10/15
0.38
14/12/15
0.35
23/02/16
0.19
07/04/16
0.47
21/06/16
0.77
18/08/16
0.09
17/10/16
0.02
15/12/16
0.12
28/02/17
0.19
10/04/17
0.3
09/06/17
0.14
07/08/17
0.02
09/10/17
0.02
06/12/17
0.05
20/02/18
0.58
19/04/18
0.475
14/06/18
0.848
14/08/18
0.28
26/10/18
0.04
11/12/18
0.43
15/10/19
0.1
17/12/19
0.62
12/02/20
0.77
06/04/20
0.18
02/06/20
0.051
12/08/20
0.038
21/10/20
0.052
08/12/20
0.21
03/02/21
0.27
21/04/21
0.79
30/06/21
0.17
19/08/21
0.089
28/10/21
0.097
10/12/21
0.18
16/02/22
0.28
14/04/22
0.25
15/06/22
0.043
04/08/22
0.047
12/10/22
0.023
20/12/22
0.12
03/02/23
0.12
05/04/23
0.47
08/06/23
0.2