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. USGS Hydrologist Scott Christenson collects a water sample from Oklahoma’s largest spring. (Photo by Noel Osborn, Ok. Water Resources Board)
Read more about the Arbuckle-Simpson 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.





