The dataset represents the waste management activity of \"municipal solid waste\" in a sanitary landfill. The recommended use of this dataset: for the average municipal/public waste mix. Not suitable to represent any single specific waste, such as plastics, paper, cardboard. The characteristics of municipal solid waste in Leshan City, Sichuan Province, are as follows: kitchen waste 50.09%, paper 15.54%, rubber 12.63%, textile (fiber) 2.34%, wood/bamboo 7.78%, ash soil 0.32%, brick/tile/ceramic 1.42%, glass 0.09%, metal 0.8%, other 0%. Moisture 64% 86%, higher heating value 5930.68 kJ/kg, lower heating value 4117.5 kJ/kg. The carbon share from the initial waste, i.e., 60.4% biogenic. The unoxidized and largely recoverable metal proportion in waste (excluding very small or very thin components): iron: 60.03%; aluminum: 17.81%; copper: 72.83%. The overall degradation rate of waste within 100 years: 18.73%. Degradability of the waste composition: paper: 27%; mixed cardboard: 32% 4% plastic: 1%; laminated materials: 18%; laminated packaging, such as drink cartons: 18%; composite products, such as diapers: 18%; glass: 0%; textiles: 12%; minerals: 0%; natural products: 27%; compostable materials: 27%; inert metals: 10%; volatile metals: 0%; batteries: 0%; electronics: 0%; landfill gas capture and utilization produces 2.09E-04 kWh of electricity and 7.51E-01 MJ of useful heat.