LE HOUSSAIS A NORT-SUR-ERDRE, paramètre Phosphore total
mg/L
15/02/19
0.038
18/04/19
0.011
14/06/19
0.063
23/08/19
0.035
17/10/19
0.055
16/12/19
0.104
23/02/21
0.049
22/04/21
0.052
28/06/21
0.078
26/08/21
0.067
14/10/21
0.07
07/12/21
0.037
22/02/22
0.046
14/04/22
0.02
22/06/22
0.079