Hub Butte Landfill - Municipal Solid Waste Landfill in Twin Falls, Idaho

Hub Butte Landfill is a municipal solid waste landfill located at 2900 N. 2800 E. in Twin Falls, Idaho, United States. Operated by the Southern Idaho Regional Solid Waste District, the facility has been in operation since 1994 and is currently active, serving the waste management needs of Twin Falls County and the surrounding region. As a Subtitle D landfill under the US EPA's Resource Conservation and Recovery Act (RCRA), Hub Butte Landfill is subject to federal regulations governing municipal solid waste, including liner and leachate collection systems, groundwater monitoring, and post-closure care. The facility likely manages a significant tonnage of waste annually, typical for a regional landfill serving a rural and agricultural area like south-central Idaho. The landfill plays a critical role in the local waste management infrastructure, providing disposal capacity for residential, commercial, and industrial waste. Its operations are regulated to minimize environmental impacts, including methane gas management and groundwater protection, in compliance with Clean Air Act landfill gas rules and state environmental regulations.

Hub Butte Landfill operates in the Snake River Plain, an area with a semi-arid climate and shallow groundwater aquifers that are sensitive to contamination. Leachate management and groundwater monitoring are critical to prevent impacts on local water resources. The landfill's proximity to agricultural land and the city of Twin Falls necessitates careful control of odors, litter, and traffic. Methane generation from decomposing waste is managed through gas collection systems to reduce greenhouse gas emissions and comply with EPA regulations.