Leachate pipes collect the waste liquid that has seeped through to the base of the landfill. These pipes then transport the contaminated liquid into special containers, which are then collected by a hazardous waste transportation company for proper disposal.

What is leachate and why is it a problem?

Leachate is the liquid formed when waste breaks down in the landfill and water filters through that waste. This liquid is highly toxic and can pollute the land, ground water and water ways.

How does leachate affect the environment?

Leachate that escapes from a landfill can contaminate groundwater, surface waters and soil, potentially polluting the environment and harming human health. ... Some countries, however, treat the leachate at the landfill. France, for example, treats 79% of leachate on site before discharging it to the environment.