A system and process for disposal of dry fly ash that effectively confines and damps fugitive dust during the collection, sorting, transporting, storage and treatment of fly ash at a landfill. The system and process for disposal of dry fly ash utilizing an enlarged, oversized hopper positioned at the top of a hill and an elongate channel that runs between the enlarged hopper and the landfill. A bulk transport truck hauling a belly dump trailer dumps dry fly ash through an elevated platform having a centrally aligned orifice into the oversized hopper having a slurry rack and a large hopper grate. The ramps and raised platform of the enlarged hopper allow the belly dump trailer compartments to be closer to the orifice and the hopper grate in order to minimize fugitive ash during the disposal process.