«My own estimates are based on volumetric analyses of aquifer systems throughout the world, in which we're actually looking at water - level changes in as many aquifers as possible.» (news.nationalgeographic.com)
Long Island's aquifer system consists of several layers, including the Upper Glacial, the Magothy — from which most of Nassau and Suffolk's water is taken — and the Lloyd, the deepest, purest and most fragile. (newsday.com)
«I know it's kind of crazy, but with the millions of people that rely on the sole - source aquifer system, there is no federal program to do research or to monitor the groundwater quality or quantity or even where the saltwater is located,» Stumm said. (newsday.com)