A water collection and storage assembly for dispersion of water comprises a half pipe assembly comprising at least one half pipe having an inlet, an outlet, a top, a bottom, a corrugated exterior comprising alternating ribs and valleys, and at least one side port positioned above the bottom of the half pipe, and a sleeve positioned in an installed position within the half pipe and defining a smooth interior, wherein the sleeve extends from the bottom of the half pipe to a height less than the at least one side port. The half pipe assembly can define a chamber and the sleeve has a dimple which extends into the chamber. The sleeve can have an opening which allows projections of the port hole to extend through the opening and into the chamber.