Overview
Summit County/Three Mile Canyon LF is an operational landfill in Coalville, Utah, owned and operated by Summit County. Opened in 1986 and expected to close in 2026, it serves the region's solid waste management needs.
Summit County/Three Mile Canyon LF is a municipal solid waste landfill located at 6550 West Three Mile Canyon Road in Coalville, Utah. Owned and operated by Summit County, the facility has been operational since 1986 and is scheduled for closure in 2026. As a landfill, it plays a key role in managing the county's waste stream. 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. As a landfill in Utah, it must comply with state and federal requirements for liners, leachate management, and gas collection. The landfill's scale is typical for a county-level operation, handling waste from Summit County and surrounding areas. Environmental considerations for this landfill include methane gas generation and leachate management. The facility's proximity to the Wasatch Range and local water resources necessitates careful monitoring. The scheduled closure in 2026 indicates a planned end-of-life phase, after which post-closure care and monitoring will be required.
Environmental context
The landfill is situated in Summit County, Utah, near the Wasatch Mountains, an area with sensitive ecosystems and water resources. Key environmental concerns include methane emissions from decomposing waste, which contribute to greenhouse gas emissions, and leachate that could potentially impact groundwater. The facility's location in a semi-arid climate may reduce leachate volume but still requires robust management. Community proximity and truck traffic are additional factors that influence local environmental impact.
Frequently asked questions
Summit County/Three Mile Canyon LF is located at 6550 West Three Mile Canyon Road in Coalville, Utah, United States.
As a municipal solid waste landfill, it accepts household and commercial waste from Summit County and surrounding areas.
The landfill opened in 1986 and is scheduled to close in 2026.
Landfills in the US are regulated under RCRA Subtitle D for municipal solid waste and the Clean Air Act for landfill gas emissions, with state-level oversight.
Key concerns include methane gas generation, leachate management to protect groundwater, and impacts on local air quality and traffic.
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