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Puente Hills Landfill facts for kids

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Puente Hills Landfill
Aerial photo of the landfill.
Puente Hills Gas-To-Energy Facility
Part of the Gas-To-Energy Facility.

Puente Hills Landfill is the largest landfill in the United States, rising 500 feet (150 meters) high and covering 700 acres (2.8 km2). Puente Hills accepted four million tons of waste in 2005. As of October 31, 2013, its operating permit has been terminated and it no longer accepts new refuse.

The landfill is located in the Puente Hills, in southeastern Los Angeles County near Whittier, California and is owned and operated by the Sanitation Districts of Los Angeles County. The closest urban communities are unincorporated Hacienda Heights to the east, and unincorporated Avocado Heights and the City of Industry to the north.


30,000 cubic feet per minute of landfill gas created by the landfill is funneled to the Puente Hills Gas-to-Energy Facility, which generates more than 40 megawatts of electricity.

Habitat and park

The Puente Hills Landfill offers tours. The Puente Hills Landfill Native Habitat Preservation Authority directs the acquisition, restoration, and management of open space in the Puente Hills for preservation of the land to protect the biological diversity and provide opportunities for outdoor education and low-impact recreation.

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