Groundwater quality in the Ozark Plateaus aquifer system, central United States

Abstract

First posted March 31, 2020 Revised September 16, 2020 For additional information, contact: NAWQA Chief ScientistNational Water-Quality ProgramU.S. Geological Survey12201 Sunrise Valley Drive, MS 413Reston, VA 20192-0002 Groundwater provides nearly 50 percent of the Nation's drinking water. To help protect this vital resource, the U.S. Geological Survey (USGS) National Water-Quality Assessment (NAWQA) Project assesses groundwater quality in aquifers that are important sources of drinking water (Burow and Belitz, 2014). The Ozark Plateaus aquifer system constitutes one of the important aquifer systems being evaluated.