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Karst and the USGS

Welcome to the USGS Karst Website. This website presents information on USGS research on karst aquifers, which are a vital groundwater resource in the United States. Here you can learn about past and current USGS karst research, with information on ongoing studies, publications, and key contacts for major karst areas. Click on an aquifer on the map below, or select one from a list of aquifers.

Byrds Mill Spring Byrds Mill Spring. Oklahoma's largest spring and the primary water supply for the City of Ada, Oklahoma. (Photo by Scott Christenson) Read more about the Arbuckle-Simpson aquifer...
Sinkhole-formed lakes near Winter Haven, FL Sinkhole-formed lakes near Winter Haven, FL. These sinkholes, which often are filled with permeable surficial sands, provide more direct avenues for water from the surficial aquifer system to recharge the underlying Upper Floridan aquifer. (from Spechler and Kroening, 2006) Read more about the Upper Floridan and Biscayne aquifers...
Turner Falls Turner Falls. The largest waterfall in Oklahoma. Springs discharging from the Arbuckle-Simpson aquifer into Honey Creek are the source of water to Turner Falls. (Photo by Noel Osborn, Ok. Water Resources Board) Read more about the Arbuckle-Simpson aquifer...
Streamflow tracer test on a tributary to Hopewell Run near Leetown, WV Streamflow tracer test on a tributary to Hopewell Run near Leetown, WV. U.S. Environmental Protection Agency scientist Malcolm Field conducts this test. It was conducted to assess potential leakage of stream water to the karst aquifer in the northern Shenandoah Valley of West Virginia. (Photo by Carol Boughton) Read more about karst aquifers of the Valley and Ridge, Piedmont, and Blue Ridge province...
Cripple Crawfish Sinkhole, south of Austin, Texas Cripple Crawfish Sinkhole, south of Austin, Texas. Located within the creekbed of Onion Creek, a water vortex indicates rapid infiltration of water into the Edwards aquifer. (Photo courtesy of David A. Johns, City of Austin) Read more about the Edwards Balcones Fault Zone aquifer...

This website allows you to browse for karst reports and articles authored by USGS researchers, and find links for other karst resources. There is also an overview of karst and its properties.

This website is maintained by members of the USGS Karst Interest Group, whose (KIG), who investigate karst across the United States.

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URL: http://water.usgs.gov/ogw/karst/index
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Page Last Modified: Monday, 30-Jan-2012 16:39:46 EST