Greater Wenatchee LF - Landfill in East Wenatchee, Washington, United States

Greater Wenatchee LF is a landfill facility located at 191 Webb Road S, East Wenatchee, Washington, in Douglas County. Operated by WM, the site has been accepting waste since 1972 and remains open, with a projected closure year of 2110. As a major landfill in the region, it plays a key role in managing municipal solid waste for the Wenatchee Valley area. 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. Washington State's Department of Ecology enforces additional requirements for landfill gas collection, leachate management, and groundwater monitoring. Typical for a landfill of this scale, it likely includes systems for methane capture and leachate treatment to mitigate environmental impacts. Greater Wenatchee LF provides essential waste disposal services to the local community and surrounding areas. Its long operational history and extended lifespan highlight its importance in regional waste management infrastructure. The facility's proximity to the Columbia River and residential areas necessitates robust environmental controls to protect groundwater and air quality.

The landfill is situated in East Wenatchee, near the Columbia River, in a semi-arid climate. Key environmental considerations include methane leakage from waste decomposition, which contributes to greenhouse gas emissions, and leachate management to prevent groundwater contamination. The facility's proximity to residential areas also raises concerns about odor, traffic, and potential health impacts. Regulatory requirements under RCRA Subtitle D and Washington State law mandate gas collection systems, groundwater monitoring, and leachate treatment to mitigate these risks.