Lewis Visco / Valley Iron & Metal Company Landfill - Los Angeles County, California Solid Waste Management

Lewis Visco / Valley Iron & Metal Company is an operational landfill located in Los Angeles County, California, United States. The facility manages solid waste disposal for the region, operating within the framework of the US EPA's RCRA Subtitle D regulations for municipal solid waste landfills and California's stringent state environmental standards. The landfill operates under NAICS code 562212 (Solid Waste Landfill). As a landfill in California, it is subject to the California Air Resources Board (CARB) regulations for landfill gas emissions and the state's comprehensive solid waste management laws. The facility's scale is typical for a regional landfill serving the Los Angeles area, which has a high population density and significant waste generation. Environmental management at this landfill includes landfill gas collection and control systems to mitigate methane emissions, as well as leachate management to protect groundwater resources. The facility plays a critical role in the region's waste infrastructure, supporting community sanitation and recycling diversion goals. Its location in a seismically active area necessitates additional engineering controls for liner integrity and slope stability.

The landfill is situated in Los Angeles County, a densely populated urban area with Mediterranean climate. Key environmental concerns include methane leakage from landfill gas, which contributes to greenhouse gas emissions, and leachate management to prevent groundwater contamination. The facility's proximity to residential communities requires careful traffic management and odor control. California's regulatory framework mandates strict monitoring of air and water quality, including landfill gas collection efficiency and groundwater testing.