Overview
Central Arizona College operates a landfill in Coolidge, Arizona, serving the Pinal County area. The facility is operational and classified under NAICS 562212 for solid waste landfills.
Central Arizona College operates a landfill located on its Signal Peak Campus in Coolidge, Arizona, within Pinal County. The facility is classified under NAICS code 562212, which covers solid waste landfills, and is currently operational. As a landfill serving a college campus and surrounding community, it manages municipal solid waste generated in the region. The landfill operates under the regulatory framework of the United States Environmental Protection Agency (EPA), specifically RCRA Subtitle D for municipal solid waste landfills, and Clean Air Act regulations for landfill gas emissions. In Arizona, the facility is subject to state-level solid waste management rules enforced by the Arizona Department of Environmental Quality (ADEQ). Typical landfill operations include waste compaction, daily cover, and leachate management to minimize environmental impact. The facility plays a role in managing solid waste for the Coolidge area and Pinal County, contributing to local waste disposal infrastructure. Its location on a college campus may provide educational opportunities for environmental science and waste management studies. The landfill's environmental significance includes potential methane generation from decomposing waste, which may be captured for energy or flared, and groundwater monitoring to protect local aquifers.
Environmental context
The landfill is situated in the Sonoran Desert region of Arizona, characterized by arid climate and limited rainfall. This reduces leachate generation compared to wetter regions, but groundwater protection remains critical due to the reliance on aquifers for local water supply. Methane emissions from waste decomposition are a key environmental concern, and the facility likely employs gas collection or flaring systems to comply with EPA regulations. Proximity to the college campus and residential areas in Coolidge necessitates careful management of odors, traffic, and litter.
Frequently asked questions
The Central Arizona College landfill is located on the Signal Peak Campus in Coolidge, Arizona, within Pinal County.
As a municipal solid waste landfill, it accepts non-hazardous household and commercial waste generated in the Coolidge area and Pinal County.
The landfill is regulated by the U.S. Environmental Protection Agency under RCRA Subtitle D and the Clean Air Act, as well as the Arizona Department of Environmental Quality.
Key concerns include methane emissions from decomposing waste, groundwater protection in arid regions, and leachate management despite low rainfall.
landfills of this size are required to have gas collection or flaring systems to comply with EPA landfill gas regulations.
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