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Data Series 438

In cooperation with the Victor Valley Water District, the Baldy Mesa Water District, and the Mojave Water Agency

Data from a Thick Unsaturated Zone Underlying Two Artificial Recharge Sites along Oro Grande Wash in the Western Part of the Mojave Desert, near Victorville, San Bernardino County, California, 2001–2006

By Dennis A. Clark, John A. Izbicki, Russell D. Johnson, and Michael T. Land

ABSTRACT

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This report presents data on the physical and hydraulic properties of unsaturated alluvial deposits and on the chemical and isotopic composition of water collected at two recharge sites in the western part of the Mojave Desert, near Victorville, California, from 2001 to 2006. Unsaturated-zone monitoring sites were installed adjacent to the two recharge ponds using the ODEX air-hammer and air rotary method to depths of about 460 feet and 269 feet below land surface. Each of the two unsaturated-zone monitoring sites included a water-table well, matric-potential sensors, and suction-cup lysimeters installed in a single bore hole. Drilling procedures, lithologic and geophysical data, and site construction and instrumentation are described. Core material was analyzed for water content, bulk density, water potential, particle size, and water retention. The chemical composition of leachate from almost 400 samples of cores and cuttings was determined. Water from suction-cup lysimeters also was analyzed for chemical and isotopic composition. In addition, data on the chemical and isotopic composition of groundwater from the two water-table wells are reported along with chemical and isotopic composition of the surface water in the recharge ponds.

For additional information contact:
Director, California Water Science Center
U.S. Geological Survey
6000 J Street Placer Hall
Sacramento, California 95819
http://ca.usgs.gov/

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Suggested citation:

Clark, D.A., Izbicki, J.A., Russell D. Johnson, R.D., and Land, M.T., 2009, Data from a thick unsaturated zone underlying two artificial recharge sites along Oro Grande Wash in the Western Part of the Mojave Desert, near Victorville, San Bernardino County, California, 2001–2006: U.S. Geological Survey Data Series 438, 92 p.



Contents

Abstract

Introduction

Drilling Procedures and Data Collection

Physical and Hydraulic Properties of Unsaturated Materials Data

Chemical Data

Accessing Data

Acknowledgments

References Cited

Tables


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