Northeast Mississippi Regional Landfill - Walnut, Mississippi Solid Waste Management Facility

The Northeast Mississippi Regional Landfill is a major solid waste management facility located in Walnut, Tippah County, Mississippi. Operational since 2001, it serves as a regional disposal site for municipal solid waste, owned by the Northeast Mississippi Solid Waste Management Authority and operated by Waste Connections, Inc. The landfill is projected to remain open until 2063, indicating a long-term commitment to regional waste management. As a Subtitle D landfill under the US EPA's Resource Conservation and Recovery Act (RCRA), the facility must comply with federal regulations for liner systems, leachate collection, and groundwater monitoring. Additionally, it is subject to Clean Air Act (CAA) rules for landfill gas management, which require gas collection and control systems to reduce methane emissions. The landfill's scale and long operational life suggest it handles significant tonnage, typical of regional facilities in the southeastern United States. Environmental management at the landfill focuses on leachate control to protect local groundwater and surface water, as well as landfill gas collection to mitigate methane leakage. Its location in a rural area of Mississippi reduces community proximity concerns, but truck traffic and odor management remain operational priorities. The facility plays a critical role in regional waste disposal and supports local recycling and waste reduction initiatives.

The landfill operates in a rural area of northern Mississippi, where groundwater protection is a key environmental concern. Leachate management systems are essential to prevent contamination of local aquifers and streams. Methane generation from decomposing waste requires active gas collection to reduce greenhouse gas emissions and comply with EPA regulations. The facility's proximity to agricultural land and sparse residential development moderates community impact, but traffic from waste hauling vehicles remains a consideration.