Impoundment

Impoundment may refer to:

Water control

 * The result of a dam, creating a body of water
 * A reservoir, formed by a dam
 * Coal slurry impoundment, a specialized form of such a reservoir used for coal mining and processing
 * Impounded dock, an enclosed ship dock that uses locks to impound water to a consistent depth within the dock area
 * Impoundment rights, a German system of permits and taxes for damming rivers

Other uses

 * Impoundment of appropriated funds, the decision of a President of the United States not to spend money appropriated by Congress
 * Vehicle impoundment