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USGS Groundwater Information

Groundwater Resources Program

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 [Photo: Groundwater flowing out of well.]

New & Noteworthy

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

* HydroClimATe -- Hydrologic and Climatic Analysis Toolkit

* National Groundwater Awareness Week 2014

* National Brackish Groundwater Assessment

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.

Water Availability & Use Studies

Water managers and municipalities are looking for ways to better manage known water resources while also identifying supplemental sources of water. Multidisciplinary studies of regional water availability and use across the United States provide resource managers and policy makers with essential information needed for management of our Nation's water resources. While GWRP also supports regional groundwater availability studies, the water availability and use studies listed below are comprensive studies of regional water resources, including groundwater and surface-water use and availability:

Great Lakes Basin Pilot Study -- Lake Michigan Basin

In 2005, USGS embarked on a pilot study of water availability in the Great Lakes Basin. The pilot study focused on understanding the dynamics of the water resources in the basin in terms of the flows and yields of both groundwater and surface water and demonstrated the importance of water-use data in quantifying water availability.

Learn more about the outcomes of this study:

Back to table of contents.

Southwest Alluvial Basins Project -- Groundwater Methods Development

As groundwater is increasingly developed in the Lower Colorado River Basin, information on effects are needed for assessment of water availability. From 2006 to 2009, this project made assessments of groundwater availability and conditions in the Lower Colorado River Basin. A special emphasis was placed on development of methods of assessment and display of groundwater conditions that might be extended to other regions of the country.

Learn more about the outcomes of this study:

Back to table of contents.

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Page Last Modified: Thursday, 03-Jan-2013 20:06:28 EST