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This dataset describes public-supply groundwater use by aquifer type within the glaciated conterminous United States between 2005 and 2014. All or part of 24 states within this glaciated region were included. The U.S. Safe Drinking Water Act defines a "public water system" as an entity that provides water for human consumption through pipes or other constructed conveyances to at least 15 service connections or serves an average of at least 25 people for at least 60 days out of the year (United States Environmental Protection Agency, 1998). Water may be used for several purposes such as for commercial, industrial, and residential use, or may be used only for one specific purpose such as for residential use.


    map background search result map search result map Public-Supply Groundwater Use by Aquifer Type within the Glaciated Conterminous United States, 2005-14 Public-Supply Groundwater Use by Aquifer Type within the Glaciated Conterminous United States, 2005-14