- Types of Landfills
- Municipal Solid Waste Landfills
These are what we used to call the “city dump.” They are landfills set up to deal with the usual household and commercial solid waste such as paper, yard waste, food waste, plastics, metals, 
glass and wood. These facilities are also allowed to accept “household hazardous waste”—the small amounts of paints and pesticides that homeowners toss out. However, most landfills encourage residents to recycle these hazardous waste. Industrial hazardous wastes are NOT allowed in these landfills.
Special Waste Landfills
Some municipal solid waste landfills have permits to take and treat various types of special waste. These include asbestos, infectious waste, ash, petroleum-contaminated soil, sludge (solid waste from wastewater treatment plants, and packinghouse and killing plant offal (animal guts and remains). There are special requirements in the law for landfills that have a permit to accept such waste.
Hazardous Waste Landfills
A waste material is considered hazardous if it is ignitable (fireworks), corrosive (acid), reactive 
(reacts with other substances), toxic (pesticides) or is a paint filter liquid. Some hazardous waste can be rendered non-hazardous, for instance, by encasing lead paint in a 55-gallon drum which is put in concrete and then into a special waste landfill. There are currently NO commercial hazardous waste landfills in New Mexico, and all commercial hazardous waste is shipped out of state. The state is considering an application for the state's first hazardous waste landfill, to be named Triacic Park, and to be located near Roswell. However, both hazardous and radioactive waste is buried at landfill sites at New Mexico's military bases and national lab installations.
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