Tag Archives: groundwater
Groundwater is one of our most vital natural resources. The USGS studies the quantity and quality of the nation’s groundwater. Learn about USGS research in an aquifer near you.
Learn how 3-D modeling is used to examine groundwater and how this cutting edge science is used to solve tomorrow’s problems today.
Nutrient sources in both agricultural and urban areas contribute to elevated nutrient concentrations in streams and groundwater across the Nation.