Geologic and Hydrologic Studies of Sites Hu1A and Hu1B in Hudspeth County, Texas

Abstract

The Bureau of Economic Geology, The University of Texas at Austin, conducted preliminary investigations of the geology and hydrology of northern Hudspeth County for the Texas Low-Level Radioactive Waste Disposal Authority. The Authority had previously identified two sites, HU1A and HU1B, as possible sites for an above-ground disposal facility for low-level radioactive wastes.

Regional and site-specific investigations were conducted to characterize the geology and hydrology of HU1A and HU1B. The two sites are underlain by different bedrock lithologies covered by alluvium, which necessitated drilling for site-specific investigations. Because of the lack of exposed bedrock, studies of the regional geologic setting were used to infer the probable nature of the bedrock geologic environment at each site. Hydrologic studies were predominantly regional because of the limited data available at either site and the availability of water-level data and water samples from previously drilled wells in the region.

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