RAU DU PONT HABERT A CHALLANS, paramètre Orthophosphates (PO4) mg(PO4)/L

22/01/15
0.37
25/03/15
0.19
20/05/15
0.61
17/06/15
0.41
14/10/15
0.54
16/11/15
0.74
26/01/16
0.34
23/03/16
0.26
25/05/16
0.42
22/06/16
0.45
19/10/16
0.31
17/11/16
0.85
24/01/17
0.28
14/03/17
0.35
17/05/17
0.35
14/06/17
0.33
10/10/17
0.093
13/11/17
0.31
25/01/18
0.52
07/03/18
0.49
17/05/18
0.41
21/06/18
0.38
04/10/18
0.091
15/11/18
0.29
29/01/19
0.32
21/03/19
0.64
15/05/19
0.52
11/06/19
0.8
16/10/19
0.33
20/11/19
0.33
06/02/20
0.4
18/05/20
0.48
17/06/20
0.54
19/10/20
0.24
12/11/20
0.41
03/12/20
0.21
15/02/22
0.31
04/04/22
0.39
03/05/22
0.44
02/06/22
0.25
05/10/22
0.11
09/11/22
0.077