Overview
National City Dump (aka Davies Dump) is a landfill in San Diego County, California, United States. It operates under US EPA RCRA Subtitle D and CAA landfill gas regulations.
National City Dump, also known as Davies Dump, is a landfill facility located in San Diego County, California, United States. The facility is operational and classified under NAICS code 562212 for solid waste landfills. Its location in the San Diego region places it within a densely populated urban area, serving municipal solid waste disposal needs. As a landfill in California, the facility operates under the regulatory framework of the US Environmental Protection Agency (EPA) RCRA Subtitle D, which governs municipal solid waste landfills, and the Clean Air Act (CAA) landfill gas emission rules. California also enforces stringent state-level regulations for landfill operations, including methane monitoring and leachate management. The facility's scale is typical for a regional landfill serving a metropolitan area. The environmental significance of National City Dump lies in its role in managing solid waste for the surrounding communities. Landfills of this type require careful management of landfill gas to mitigate methane emissions, a potent greenhouse gas. Leachate control is also critical to protect groundwater resources in the region. The facility's proximity to residential areas necessitates robust odor and traffic management practices.
Environmental context
Landfills in Southern California face unique environmental challenges due to the region's semi-arid climate and proximity to urban populations. Methane leakage from landfill gas collection systems is a key concern, as methane is a potent greenhouse gas. Leachate management is critical to prevent groundwater contamination, especially in areas with shallow aquifers. Community proximity raises issues related to odor, truck traffic, and potential health impacts. Regulatory oversight by the California Air Resources Board and local air districts aims to minimize these risks through strict emission controls and monitoring requirements.
Frequently asked questions
National City Dump, also known as Davies Dump, is located in San Diego County, California, United States, near the community of Rancho La Nacion.
As a landfill classified under NAICS 562212, National City Dump accepts municipal solid waste from the surrounding San Diego County area.
The facility operates under US EPA RCRA Subtitle D for municipal solid waste landfills and Clean Air Act rules for landfill gas emissions, along with California state regulations.
Landfills in California are required to have gas collection and control systems to capture methane and reduce emissions. Specific details for this facility are not publicly available, but typical systems include extraction wells and flares or energy recovery.
Landfills can generate methane, a potent greenhouse gas, and produce leachate that may contaminate groundwater if not properly managed. Regulatory frameworks aim to minimize these impacts through monitoring and control technologies.
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