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  1. Groundwater - Wikipedia

    Groundwater is fresh water located in the subsurface pore space of soil and rocks. It is also water that is flowing within aquifers below the water table.

  2. What is groundwater? | U.S. Geological Survey - USGS.gov

    Groundwater is water that exists underground in saturated zones beneath the land surface. The upper surface of the saturated zone is called the water table. Contrary to popular belief, groundwater does …

  3. What is Groundwater? – The Groundwater Foundation

    Groundwater is the water found underground in the cracks and spaces in soil, sand and rock. It is stored in and moves slowly through geologic formations of soil, sand and rocks called aquifers.

  4. Groundwater | Description & Importance | Britannica

    Nov 14, 2025 · groundwater, water that occurs below the surface of Earth, where it occupies all or part of the void spaces in soils or geologic strata. It is also called subsurface water to distinguish it from …

  5. Groundwater is fresh water (from rain or melting ice and snow) that soaks into the soil and is stored in the tiny spaces (pores) between rocks and particles of soil. Groundwater accounts for nearly 95 …

  6. What is a groundwater? - The Institute for Environmental Research …

    Jun 16, 2025 · Groundwater is water that exists beneath the Earth’s surface, filling the spaces between soil particles and within fractures in rock formations. It’s a vital natural resource, often unseen but …

  7. Groundwater Resource Hub

    Groundwater is water held underground in the soil or in pores and crevices in rock. An aquifer is a body of porous rock or sediment saturated with groundwater. Groundwater doesn’t stay underground; it is …

  8. Groundwater | Groundwater fundamentals

    Groundwater is the water that soaks into the soil from rain or other precipitation and moves downward to fill cracks and other openings in beds of rocks and sand.

  9. MassGIS Data: Aquifers | Mass.gov

    Underground water sources of high, medium and low yield are in this layer. MassGIS produced an aquifer datalayer composed of 20 individual panels, generally based on the boundaries of the major …

  10. Groundwater - Education

    Oct 19, 2023 · Water that has travelled down from the soil surface and collected in the spaces between sediments and the cracks within rock is called groundwater. Groundwater fills in all the empty spaces …

  11. California's Groundwater Live

    Access California's real-time groundwater data, including precipitation, snowpack, reservoirs, and streamflow information for local and statewide water conditions.

  12. Nitrate in Groundwater: Understanding Sources, Movement, and How …

    2 days ago · Learn how nitrate gets in groundwater, most common sources, how it moves through soil, and what well owners can do for safe drinking water.

  13. Ground Water and Aquifers | Natural Resources Inventory Guide

    Groundwater is found below the surface between particles of sands, silts and clays or in the cracks and fractures of bedrock. Aquifers are saturated zones in sediments, such as sand and gravel, and in …

  14. BYU researchers investigate possible groundwater pollution …

    1 day ago · BYU Professor of Geology, Greg Carling, and his team are investigating possible groundwater contamination in the Great Salt Lake, a crucial ecosystem that supports thousands of …

  15. Governor Katie Hobbs Celebrates First “Ag-to-Urban” Groundwater ...

    3 days ago · The first-ever Groundwater Savings Credits under the Ag-to-Urban program shows we can use new, innovative policies to increase our housing supply, grow sustainably, and save our precious …