Overview
Johnstone Dump is an operational landfill in San Dimas, California, serving the Los Angeles County area. It handles solid waste under US EPA RCRA Subtitle D regulations.
Johnstone Dump is a landfill facility located in San Dimas, California, within Los Angeles County. As an operational solid waste management site, it serves the local community and regional waste disposal needs. The facility operates under the regulatory framework of the US EPA, including RCRA Subtitle D for municipal solid waste landfills and Clean Air Act landfill gas rules. The landfill is situated in a region with a Mediterranean climate, which influences leachate generation and gas management practices. Typical for California landfills, Johnstone Dump likely employs liner systems, leachate collection, and gas monitoring to mitigate environmental impacts. The facility's NAICS code 562212 indicates it is a solid waste landfill, subject to state and federal permitting requirements. Environmental significance includes potential methane emissions from decomposing waste, which are regulated under the Clean Air Act. Proximity to residential areas in San Dimas necessitates careful traffic management and odor control. The landfill contributes to the region's waste infrastructure, supporting Los Angeles County's waste diversion and disposal strategies.
Environmental context
Johnstone Dump operates in a region with a Mediterranean climate, where seasonal rainfall can affect leachate generation. Landfill gas, primarily methane, is a key environmental concern, and the facility must comply with EPA's landfill gas collection and control requirements. Proximity to communities in San Dimas requires effective odor and traffic management to minimize local impacts. Groundwater monitoring is essential to prevent contamination from leachate, given the area's hydrogeological conditions.
Frequently asked questions
Johnstone Dump is located at Valley Center and Cypress Ave in San Dimas, California, within Los Angeles County, United States.
As a landfill classified under NAICS 562212, Johnstone Dump accepts solid waste, likely including municipal solid waste from residential and commercial sources in the Los Angeles County area.
Johnstone Dump operates under US EPA RCRA Subtitle D regulations for municipal solid waste landfills, as well as Clean Air Act landfill gas rules. It must also comply with California state solid waste regulations.
Landfills like Johnstone Dump are required to collect and control landfill gas, primarily methane, to reduce emissions. This is typically done through gas extraction wells and flaring or energy recovery systems, in compliance with EPA regulations.
Landfills in California, including Johnstone Dump, can generate methane, a potent greenhouse gas, and leachate that may contaminate groundwater if not managed. State and federal regulations mandate gas collection, leachate treatment, and groundwater monitoring to mitigate these impacts.
Other Landfill plants in United States · 6 nearby