Description and Current Mission The Waste Isolation Pilot Plant (WIPP) is the nation’s only deep geologic long-lived radioactive waste repository. Located 26 miles southeast of Carlsbad, New Mexico, WIPP permanently isolates defense-generated transuranic (TRU) waste 2,150 feet underground in an ancient salt formation. The WIPP repository is mined within a … Continue reading Waste Isolation Pilot Plant