Devices, apparatus, systems and methods of using an adjustable filter basket on telescoping post supports to raise and lower the filter basket so as to adjust the position of the inlet chute for different ground water levels in storm water treatment systems, along with horizontal slidable lids in tracks on the basket that allow access to the inside of the basket in vaults having ceilings close to the top of the baskets. A single winch point or floats can be used to raise and lower the filter basket on the telescopic post supports.