Green Group Holdings, LLC has announced plans to invest $40 million in Waller County, Texas to build Pintail Park, a mixed-use development and industrial park that will be anchored by Pintail Landfill. The proposed landfill will have multiple layers of groundwater protection, including a compacted clay liner, a 60 mil HDPE liner, and an extensive drainage system to remove rainwater and liquid away from the waste 24-hours a day.