Andrew is a hydrologist and team lead of the Geophysics and Subsurface Analysis Unit in the Central Texas Program Office.
As a student, Andrew began working with the USGS in the Nebraska Water Science Center in 2003.
In 2006, Andrew became a full-time Hydrologist for the Oklahoma-Texas Water Science Center. As a hydrologist, he uses advanced borehole and geophysical techniques to aid in the interpretation of hydrogeologic characterization and framework, preferential groundwater flow paths, interaction potential between hydrogeologic units, groundwater/surface-water interaction, freshwater/saline-water transition zone delineation, conceptual model development, and other groundwater related concerns in the United States and internationally (Mexico, Canada, United Arab Emirates, Cambodia, and Thailand).
From 2009-2014, Andy was the Groundwater Database Administrator for Texas tasked with establishing sites in the National Water Information System, reviewing the groundwater site inventory for errors and inconsistencies, and assisting personnel in data retrieval and entry from and to the database.
In 2014, Andy began and continues to serve as the team lead of the Geophysics and Subsurface Analysis Unit (GSAU) in Austin, Texas. As a team lead, he coordinates the actions of the GSAU. During his 13 years with the USGS, he has been author or coauthor of multiple published scientific investigation reports.
Science and Products
Transboundary Aquifer Assessment Program (TAAP)
Hydrogeologic Framework and Geochemistry of Gaines, Terry, and Yoakum Counties
Coastal Lowlands Regional Groundwater Availability Study
Science and Products
- Science
Transboundary Aquifer Assessment Program (TAAP)
Many communities along the U.S.-Mexico border have limited surface water supply and rely on transboundary aquifers for industry, agriculture, and drinking water; however, information on water needs, water quality, and the extent and functioning of these aquifers is incomplete. The Transboundary Aquifer Assessment Program (TAAP), established through a binational agreement between the United States...Hydrogeologic Framework and Geochemistry of Gaines, Terry, and Yoakum Counties
In 2014, USGS, in cooperation with Llano Estacado Underground Water Conservation District, Sandy Land Underground Water District, and South Plains Underground Water Conservation District, began a multiphase project to develop a regional conceptual model of the hydrogeologic framework and geochemistry of the Ogallala, Edwards-Trinity, and Dockum aquifers. The Ogallala aquifer is the shallowest...Coastal Lowlands Regional Groundwater Availability Study
USGS is undertaking a 5-year study to assess groundwater availability for the aquifers proximal to the Gulf of Mexico from the Texas-Mexico border through the panhandle of Florida, known as the Coastal Lowlands Aquifer System (CLAS). This study is one of several within the Regional Groundwater Availability Studies of the USGS Water Availability and Use Science Program. - Data
- Maps
- Publications