The Geology of the Central Virgin River Basin, Southwestern Utah, and Its Relation to Ground-water Conditions

The Geology of the Central Virgin River Basin, Southwestern Utah, and Its Relation to Ground-water Conditions
Author: Hugh A. Hurlow
Publisher: Utah Geological Survey
Total Pages: 65
Release: 1998-01-01
Genre: Geology
ISBN: 1557916144

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This report describes the geology of the central Virgin River basin in southwestern Utah, and characterizes the structure and lithology of the Jurassic Navajo Sandstone and the thickness and stratigraphy of Quaternary-late Tertiary unconsolidated deposits, the two main aquifers in the region. Southwestern Utah has experienced rapid population growth and increased demand on water supplies during the past 15 years, and the purpose of this report is to better define the ground-water resources of the area. Ground water provides approximately half of the public water supply in southwestern Utah, so future decisions regarding water use must be based on careful geologic characterization of the aquifers and their relation to the regional hydrologic system. The results of this study will be applied to ground-water modeling, evaluating regional and local hydrogeologic conditions, and assessing sites for development of ground water. 53 pages + 7 plates

Regional groundwater flow and water quality in the Virgin River Basin and surrounding areas, Utah and Arizona

Regional groundwater flow and water quality in the Virgin River Basin and surrounding areas, Utah and Arizona
Author: Paul Inkenbrandt
Publisher: Utah Geological Survey
Total Pages: 58
Release: 2013-12-17
Genre: Aquifer storage recovery
ISBN: 155791883X

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In this 46-page report, we characterized the deep aquifer system and its connections to the overlying aquifers in the area of the Hurricane fault in Washington County by examining well logs, creating regional potentiometric-surface maps, compiling groundwater quality data, conducting gravity surveys, examining remote sensing data for surface lineaments, and determining areas for potential monitoring wells. Results of the study were: (1) R and C aquifer groundwater depths are > 500 feet in the I-15 corridor area, (2) a groundwater divide likely exists south of the Utah-Arizona state line, (3) groundwater flow follows open fracture systems, (4) fracture conductivity is highest near the fault, (5) dissolution of evaporites increase groundwater TDS, and (6) a well should be drilled into the Hurricane fault near Pintura.

Water-resources Bulletin

Water-resources Bulletin
Author: Utah Geological and Mineralogical Survey
Publisher:
Total Pages: 74
Release: 1962
Genre: Groundwater
ISBN:

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The Geology of the Snyderville Basin, Western Summit County, Utah, and Its Relation to Ground-water Conditions

The Geology of the Snyderville Basin, Western Summit County, Utah, and Its Relation to Ground-water Conditions
Author: Francis X. Ashland
Publisher: Utah Geological Survey
Total Pages: 82
Release: 2001
Genre: Geology
ISBN: 1557916527

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The purpose of this study is to provide geologic information important in assessing ground-water resources and siting water wells in the Snyderville basin. This geologic study was one phase of a cooperative and more comprehensive water-resource investigation. Subsequent phases conducted by the U.S. Geological Survey Water Resources Division (USGS WRD), focused on the hydrology of the Snyderville basin. The information presented in this report is generalized and is not intended to substitute for site-specific investigations. Future detailed studies will add to the understanding of the geology and ground-water resources of the study area and supplement the information presented herein. 59 pages + 15 plates