Pump-and-treat systems consist of a groundwater withdrawal system and an aboveground treatment system. The groundwater withdrawal system, also called the containment system, includes pumping wells or subsurface drains designed to remove the contaminants from the ground-water system and control the plume from further migration. In some cases, injection wells are used to inject treated water back into the aquifer. Aboveground treatment systems include chemical, physical, and biological treatment technologies.
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