What is Groundwater?

Groundwater is the water present beneath the Earth's surface in the pore spaces in soil, sand, or gravel and in the fractures of rock formations. A unit of rock or an unconsolidated deposit is called an aquifer when it can yield a usable quantity of water.

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The Memphis Sands Aquifer is the source of public drinking water for Memphis and many other communities in the Midsouth. 

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1. Univ. of Memphis Center for Applied Earth Science and Engineering Research (CAESER): 

CAESER is a new center that combines the efforts of two previous centers, the Center for Partnerships in GIS and the Ground Water Institute at the University of Memphis.

2. Mississippi Embayment Regional Groundwater Study

3. The Groundwater Foundation

4. USGS Groundwater Information

5. USGS Water Science School