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This 55-minute lecture by Dr. Robert E. Mace, P.G., from the Bureau of Economic Geology, explores the historical development of groundwater sustainability concepts. Trace the evolution of groundwater sustainability from its controversial introduction in 1912 through 2000, discovering why the distinction between "safe yield" and "sustainability" is essentially nonexistent. Learn why sustainability debates often stem from engineers and hydrogeologists failing to recognize the concept's policy dimensions, and understand how recent attempts to incorporate equity and environmental justice into technical definitions create contradictions in practice. Gain insights into how historical analysis of hydrogeological concepts explains current misunderstandings and reveals why sustainability, like diamonds, should be considered permanent. The presentation offers a comprehensive examination of how groundwater management concepts have evolved and been applied over more than a century.
