A waste management system comprising a trash receptacle, a pouch fixed to a surface of the trash receptacle and including a clasp means, and a cartridge with an arrangement of retainer slots. The retainer slots are positioned to correspond with the clasp means when the cartridge is inserted into the pouch so that the retainer slots are penetrated by the clasp means. The cartridge contains a plurality of liners hung from a support member within said cartridge, the hung liners positioned for distribution through a combination longitudinal notch and transverse slit provided in the cartridge.