ORTHON À MARESCHE, paramètre Orthophosphates (PO4) mg(PO4)/L

14/02/18 0.047	12/04/18 0.143	14/06/18 0.37	11/12/18 0.275
13/02/19 0.134	04/04/19 0.073	14/06/19 0.461	04/12/19 0.191
07/11/22 0.057	06/12/22 0.14
10/01/23 0.245	07/02/23 0.163	09/03/23 0.02 Limite de quantif.	07/04/23 0.173	11/05/23 0.05	07/06/23 0.334	05/07/23 0.307	16/08/23 0.384	08/09/23 0.39