A laundry appliance includes an outer cabinet having a top panel that defines an aperture for accessing an interior of the cabinet. A tub is positioned within the outer cabinet and below the aperture. A rotating drum disposed within the tub. A pretreat basin is selectively positioned in an installed position relative to the top panel and above the drum. The pretreat basin has an outer frame and a pivoting central portion that rotationally operates within the outer frame between a sealed position defined by the pivoting central portion being in alignment with the outer frame and a rotated position defined by the pivoting central portion being rotated out of alignment with the outer frame.