Wyoming Bentonite has been long used for establishing low permeability liners in landfills, sewage lagoons, water retention ponds, golf course ponds and hazardous waste sites. The Envirogel® family of products is engineered to amend local soils to reduce surface water flow into groundwater. With new concerns for wetlands, Envirogel® is frequently used to slow but not prevent water seepage. Waterfowl flourish and such installation create habitat for a vast array of aquatic species.