Toxic chemicals in trash can leak into groundwater and residents may be exposed to hazardous materials such as mercury. Unless they are stabilized, landfills may undergo severe shaking or soil liquefaction of the ground during an earthquake.
What is a landfill?
- A place to dispose of refuse and other waste material by burying it and covering it over with soil, especially as a method of filling in or extending usable land.
- Some landfill sites are used for waste management purposes, such as temporary storage, consolidation and transfer, or for various stages of processing waste material, such as sorting, treatment, or recycling.
What are the effects of a landfill?
- Landfills have the potential to cause a number of issues. Infrastructure disruption, such as damage to access roads by heavy vehicles, may occur.
- Pollution of local roads and watercourses from wheels on vehicles when they leave the landfill can be significant and can be mitigated by wheel washing systems.
- Pollution of the local environment, such as contamination of groundwater or aquifers or soil contamination may occur as well.
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