Puente Hills Landfill

Puente Hills Landfill was the largest landfill in the United States, rising 500 feet (150 meters) high and covering 700 acres (2.8 km2).[1] Originally opened in 1957 in a back canyon in the Puente Hills, the landfill was made to meet the demands of urbanization and waste-disposal east of Los Angeles. By the 1990s, the landfill became an artificial mountain visible around the San Gabriel Valley region. Puente Hills accepted four million tons of waste in 2005. As of October 31, 2013, its operating permit was terminated and it no longer accepts new refuse. The former landfill is in the process of becoming a natural habitat preservation area.[2]

Aerial photo of the landfill.
Part of the gas-to-energy facility.
External images
image icon From the air in 2005
image icon Puente Hills Landfill and Hacienda Heights

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.

Gas to energy

15 m3/s of landfill gas created by the landfill is funneled to the Puente Hills Gas-to-Energy Facility, which generates more than 40 MW of power.[3][4]

Recycling

At the base of the former landfill is a modern recycling facility. The facility is operated with the intent to recover and divert recyclables and combustible material.[5]

Habitat and park

The Puente Hills Landfill offers tours.[6][7] 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.[8] In 2022, the county approved funding for the Puente Hills Regional Park on 142 acres (57 ha).[9]

The landfill has gained some popular attention. Penn and Teller visited the landfill in an episode of their television program Bullshit! to assess the validity of recycling, and the television documentary series MegaStructures focused on the landfill in the episode "Garbage Mountain".[10]

Edward Humes discusses the landfill extensively as a core part of his book Garbology: Our Dirty Love Affair with Trash.

See also

References
  1. "The world's most offensive landfills".
  2. Puente Hills Habitat Preservation Authority. https://www.habitatauthority.org/
  3. Manaugh, Geoff; Twilley, Nicola (April 5, 2013). "Touring the Largest Active Landfill in America". The Atlantic. Retrieved April 2, 2018.
  4. "LACSD Website - Puente Hills Landfill Gas-to-Energy Facility". www.lacsd.org.
  5. Puente Hills Materials Recovery Facility. https://www.lacsd.org/services/solid-waste/facilities/puente-hills-materials-recovery-facility-mrf
  6. www.npr.org "The Nation's Largest Landfill Beckons Tourists"- access date: 6/7/2010
  7. access date: 6/7/2010
  8. access date: 6/7/2010
  9. Campa, Andrew J. (August 18, 2022). "It was once the nation's largest trash heap. Now it'll be an inspirational L.A. County park". Los Angeles Times. Retrieved August 19, 2022.
  10. MegaStructures - National Geographic Channel. Garbage Mountain: Puente Hills Landfill in Whittier, California. (2006 Video). https://www.youtube.com/watch?v=41ry6k82Mrc

34°01′09″N 118°00′32″W

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