RAU DE L'ETANG PETREAU A BOUILLE-LORETZ, paramètre Phosphore total
mg/L
03/02/16
0.17
11/04/16
0.09
16/06/16
0.33
10/10/16
0.05
16/12/16
0.06
22/02/22
0.206
20/04/22
0.307