A well-designed method for disposing of solid waste on or in the land is a dump yard. There are three main types of dump yards: one for hazardous waste, one for industrial waste. These dump yards decompose their contents and release methane gas, which is dangerous to the people living nearby. Therefore, dump yards are typically built far from human habitation.
A sanitary dump yard is one that has layers of sand and plastic covering the bottom to prevent waste from seeping into the groundwater. The trash is then dumped, laid out in layers, and covered with soil, gravel, clay, and soil. The waste is allowed to decompose in this location in a closed pit without affecting the nearby water bodies.