Waste collection and disposal system for toilets

A waste collection and disposal unit comprising a tank, a float-switch sensing system, which senses the level of liquids within the tank, and a grinder pump,

• wherein the tank comprises a contoured and sloping floor, a front section, a back section, two side sections, and a lid;
• wherein the surface of the floor is contoured in a downwardly curved shape extending between the front and back sections of the tank;
• wherein the float-switch sensing system comprises a switch housing and a float housing;
• wherein the switch housing contains electronic components for operating a float switch;
• wherein the switch housing is secured to the float housing;
• wherein the float housing encloses a float;
• and
• wherein a lower edge of the float housing is contoured and sloped to match the contour and slope of a portion of the surface of the floor provided opposite to the edge.

A waste collection and disposal system comprising a tank, a modularized float-switch sensing system located within the tank, a grinder pump located within the tank, and a discharge system secured to an outlet of the grinder pump;

• wherein the tank comprises a contoured and sloping floor, a front section, a back section, two side sections and a lid,
• wherein a surface of the floor slopes downward from below the float-switch sensing system to below the grinder pump;
• wherein the surface of the floor is contoured in a downwardly curved arc extending between the front and back section of the tank;
• and
• wherein the lid is a one piece lid secured to the front, back and side sections of the tank by a clip which extends over a clip edge of a lip of the tank.