Inert Waste Acceptance policy

Southern Idaho Solid Waste (SISW) accepts Inert Waste into its inert waste disposal areas.  Inert waste is defined by the Idaho Administrative Procedures Act (IDAPA) 58.01.06 under solid waste management rules as the following:

005.19 Inert Waste– “Noncombustible, nonhazardous, and non-putrescible solid wastes that are likely to retain their physical and chemical structure and have a de minims potential to generate leachate under expected conditions of disposal, which includes resistance to biological attack. “Inert waste” includes, but is not limited to, rock, concrete, cured asphaltic concrete, masonry block, brick, gravel, dirt, inert coal combustion by-products, inert precipitated calcium carbonate and inert component mixture of wood or mill yard debris. (4-2-03)”

Acceptable Inert Waste is composed of:

  1. Waste from the building construction process.
  2. Waste resulting from the demolition of razing of buildings, roads and other manmade structures.
  3. Waste from clearing and grubbing land for development

Inert Waste includes, but is not limited to:

  • Concrete and concrete board 
  • Masonry material like brick, cinderblock, and mortar
  • Structural metal, steel, tin, wire and any other metal
  • Fiberglass and glass
  • Wood over 18 inches in diameter
  • Cured asphalt
  • Uncontaminated gravel, sand, soil, rock, stone and mud dirt, sod and rocks

Inert Waste Excludes:

  • Any material that is likely to produce gases, leachate or litter during its decomposition process
  • Plaster(i.e. drywall and plasterboard)
  • Asbestos wastes
  • Grass Clippings
  • Asphalt Shingles
  • Furniture
  • Material coated with heavy metal paint
  • Household items
  • Material that contains polychlorinated biphenyls (PCBs)