Solid Waste Disposal - As introduced, prohibits municipalities, counties, and other political subdivisions of this state from disposing, or contracting for the disposal of, solid waste in a landfill located outside their territorial boundaries unless the host county or host municipality in which the landfill is located has entered into a host community agreement approving such disposal; applies to all contracts entered into for the disposal of solid waste on or after July 1, 2026. - Amends TCA Title 5; Title 6; Title 7 and Title 68, Chapter 211.