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USGS Groundwater Information

Groundwater Resources Program

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 [Photo: Ground water flowing out of well.]

New & Noteworthy

* Press Release: Study Explores Groundwater and Geothermal Energy in Drought-Stricken Eastern Oregon and Neighboring States

* Technical Announcement: USGS Issues Revised Framework for Hydrogeology of Floridan Aquifer

* Press Release: High Plains Aquifer Groundwater Levels Continue to Decline

* Regional Groundwater Availability Study Geospatial Data

* Press Release: USGS Assesses Current Groundwater-Quality Conditions in the Williston Basin Oil Production Area

Past listings...

USGS Groundwater Watch

USGS maintains a network of active wells to provide basic statistics about groundwater levels.

 [Image: USGS active water level wells location map.]

Other Water Topics

*  Water Resources

*  Groundwater

*  Surface Water

*  Water Quality

*  Water Use

USGS in Your State

USGS Water Science Centers are located in each state.

 [Map: There is a USGS Water Science Center office in each State.] Washington Oregon California Idaho Nevada Montana Wyoming Utah Colorado Arizona New Mexico North Dakota South Dakota Nebraska Kansas Oklahoma Texas Minnesota Iowa Missouri Arkansas Louisiana Wisconsin Illinois Mississippi Michigan Indiana Ohio Kentucky Tennessee Alabama Pennsylvania West Virginia Georgia Florida Caribbean Alaska Hawaii and Pacific Islands New York Vermont New Hampshire Maine Massachusetts South Carolina North Carolina Rhode Island Virginia Connecticut New Jersey Maryland-Delaware-D.C.

Data & Information

One of the goals of the USGS Groundwater Resources Program (GWRP) is to identify, describe, and make available fundamental information regarding groundwater availability in the Nation's major aquifer systems:

Groundwater Level Data

 [Image: USGS active water level wells location map.]

Measurements of groundwater levels from wells are used to monitor changes in groundwater conditions due to climate variability and withdrawals (pumping). The GWRP has supported the development of a Groundwater Climate-Response Network, a network of wells selected to illustrate the response of the groundwater system to climate variations nationwide.

The Climate Response Network Web site is part of the USGS Groundwater Watch web site, which is the official USGS Web site for illustrating current groundwater conditions in the United States and Puerto Rico.

Regional Evaluations of Groundwater Levels

The GWRP also supports the regional evaluations of groundwater levels in areas of the country where groundwater resources have undergone intensive development. Recent examples include:

Geospatial Data

Large amounts of digital-spatial data are generated as part of USGS efforts to holistically assess the Nation's groundwater. Regional groundwater availability studies are currently taking place to document the supply and demand of this important natural resource for principal aquifers of the United States. It is essential to document the status and trends in groundwater availability for planning a sustainable future. The USGS is maximizing the impact of these studies by preserving and increasing access to this pertinent information. Providing these data allows the scientific and water management community to more easily access and use the compiled existing and newly derived geologic and hydrologic data to address water related issues/concerns by partners, stakeholders , and the public.

Available Data by Aquifer

Geospatial data for aquifers shown on the map can be acquired by clicking on the area of interest (if study is not clickable, data is not yet available). Data are available in several formats, including non-proprietary formats when possible.

 [Map: Locations of GWRP groundwater availability studies.]

Figure 1: Map of U.S. Geological Survey (USGS) Groundwater Resources Program regional scale groundwater study areas. Explanation indicates the fiscal years during which the studies are planned to occur. (Updated April 2015)

Available Data by Theme

Geospatial data currently are available to describe hydrogeologic unit boundaries (framework) and groundwater recharge for selected aquifer systems. Data for each of those themes can be accessed by clicking on the links below. Other data themes will be added to this site as they are released.

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Page Contact Information: Contact the Groundwater Resources Program
Page Last Modified: Tuesday, 03-Jan-2017 20:44:58 EST

 [Link to Central Valley Aquifer Study]  [Link to Great Basin Carbonate Aquifer Study]  [Link to Columbia Plateau Regional Aquifer Study]  [Link to High Plains Aquifer Study]  [Link to Mississippi Embayment Aquifer Study] [Link to Williston and Powder River Basins study]  [Link to Upper Colorado Study]  [Link to Central Valley Aquifer Study]  [Link to Great Basin Carbonate Aquifer Study]  [Link to Columbia Plateau Regional Aquifer Study]  [Link to Lake Michigan Pilot Study]  [Link to High Plains Aquifer Study]  [Link to Mississippi Embayment Regional Aquifer Study]  [Link to Floridan Aquifer Study]  [Link to North and South Carolina Atlantic Coastal Aquifer Study] [Link to Williston and Powder River Basins Aquifer System study]