Abstract: An apparatus for dividing a trash receptacle into sections for the source separation of waste items and recyclable materials. The apparatus is designed to be attached to the top opening of a trash receptacle, and facilitates the use of liner bags placed within the sections to produce compartments for separating and storing the various types of trash and recyclables. The apparatus is adjustable to fit the top of variuos sizes of trash containers and is further adjustable in size, shape and the number of compartments it divides into without inhibiting the use of the container lid. The apparatus can be configured to divide the container into thirds, halves or one half and two quarters to facilitate the separation of recyclables.