Portable basin assembly and method of use thereof

A portable basin assembly comprising:

• a frame;
• a basin having a waste mounted atop the frame;
• at least one water outlet for directing a flow of water into the basin;
• and
• a mounting system for mounting at least one of a waste water tank and a clean water tank to the assembly, said mounting system comprising:
• a docking interface for docking with a receiving interface provided on the at least one of the waste water tank and the clean water tank and fluidly connecting at least one of the waste water tank to receive water from the waste of the basin and the clean water tank for providing a source of clean water;
• and
• at least one alignment member for aligning the at least one of the waste water tank and the clean water tank relative to the frame and the receiving interface of the at least one of the waste water tank and the clean water tank relative to the docking interface for docking when the at least one of the waste water tank and the clean water tank is mounted relative to the assembly, said at least one alignment member comprising a pair of opposed protruding ridges protruding inwards from an inner surface of a front end and opposed rear end of the frame for aligning relative to and being at least partially received in corresponding grooves defined along opposed sidewalls of at least one of the waste water tank and the clean water tank.