Mesquite Regional Landfill
The Mesquite Regional Landfill is Southern California's first operating landfill that is permitted to receive waste by rail.

Puente Hills Native Habitat Preservation Authority
The Puente Hills Landfill Native Habitat Preservation Authority (Habitat Authority) is a public agency, Joint Powers Authority with a Board of Directors consisting of the City of Whittier, County of Los Angeles, Sanitation Districts of Los Angeles County, and the Hacienda Heights Improvement Association.