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Geochemical data, water-level data, and slug test analysis results from till confining units and confined aquifers in glacial deposits near Akeley, Cromwell, Litchfield, and Olivia, Minnesota, 2015-2018 Confined (or buried) aquifers overlain by till confining units are used to supply drinking water to millions of people. Till confining units are typically conceptualized as having very low potential for transmitting water. Thus, buried aquifers are thought to be less susceptible to surface contamination, but may recharge very slowly and may be prone to unsustainable groundwater withdrawals. Quantification of the recharge (leakage) rate through till is essential to understanding the long-term sustainability of groundwater withdrawals from buried aquifers and yet few data exist on the hydraulic properties of till and groundwater flux through till. The information contained in this data release is generated from field... Categories: Data; Tags: Akeley, Minnesota, Cromwell, Minnesota, Geochemistry, Hydrogeology, Litchfield, Minnesota, All tags... Minnesota, Olivia, Minnesota, USGS Science Data Catalog (SDC), Water Quality, Water Resources, aquifers, geochemistry, groundwater recharge, hydrology, water quality, water resources, water supplies, Fewer tags