Geomembrane Technologies™, an Evoqua brand, offers a selection of innovative tank and lagoon covers—as well as containment liners—for water and wastewater applications worldwide. Our covers and liners are designed to: - Collect and store biogas to be converted into green energy - Lower operational costs and electricity consumption - Control odors, temperature, and algae - Reduce contamination and disinfection by-products - Protect groundwater and safely contain liquids Contact us to learn how we can help with your water or wastewater application.