For data collection, organic waste, plastic waste and electronic waste in each collector tanks are weighed every day before the wastes are collected and transported by the Metropolis’s small trucks. The recorded data were analyzed and presented as the percentage of organic waste, plastic waste and electronic waste separated by each community. Next, the weights were used in two calculations: (1) the rate of organic waste, plastic waste and electronic waste collection in each phase and (2) the efficiency of the mechanism for organic waste, plastic waste and electronic waste separation. Equation (1)–(8) were applied for the calculations.