Aquifer [Energy] Law and Legal Definition

According to 10 CFR 63.302 [Title 10 – Energy; Chapter I -- Nuclear Regulatory Commission; Part 63 – Disposal of High-Level Radioactive Wastes in a Geologic Repository at Yucca Mountain, Nevada; Subpart L -- Postclosure Public Health and Environmental Standards], the term aquifer means “a water-bearing underground geological formation, group of formations, or part of a formation (excluding perched water bodies) that can yield a significant amount of ground water to a well or spring.”