A self-contained compactor apparatus which includes a charge chamber and a compacting chamber for compacting and storing waste contained within the chamber. The charge chamber and the compacting chamber are integrally formed as a compacting/storage container. The compacting/storage container has a top wall, a bottom wall, a sidewall extending between the top wall and the bottom wall, and a protective coating provided on at least a portion of an interior surface of the bottom wall and on at least a portion of an interior surface of the sidewall.