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Engineers outline $16 million plan for Landfill 4 as Landfill 3 nears capacity

Knox County Board · August 28, 2025
AI-Generated Content: All content on this page was generated by AI to highlight key points from the meeting. For complete details and context, we recommend watching the full video. so we can fix them.

Summary

Engineers told the board the county should begin Landfill 4 construction soon as Landfill 3 is filling faster following nearby closures; initial construction is estimated at about $16 million over three years with significant infrastructure needs including liners, leachate and gas collection, and 3‑phase power.

Engineers Josh Gabehart and Mark Williams presented the county with an overview of construction needs and timing for Landfill 4 after Landfill 3’s accelerated fill rate.

Gabehart described technical requirements—60‑mil geomembrane liners, leachate collection systems, stormwater basins, perimeter roads, berms and site fencing—and said initial cell construction involves moving hundreds of thousands of…

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