Brent Johnson

Associate Hydrogeologist

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Expertise:

Mr. Johnson is a California licensed Professional Geologist who has more than seven years of experience as a consulting geologist for both public and private sector clients. He has worked with local and State regulators and has a strong working knowledge of California's environmental regulations.

Brent has extensive experience in planning and directing field investigations, collecting and managing data, and conducting water quality analyses. He has overseen production well installation and testing including logging, evaluation of geophysical logs, and aquifer testing. He has been engaged in the design, installation, development, and testing of experimental vadose zone recharge wells on the Monterey County coast. He has managed and conducted numerous remedial site investigations and environmental assessments, and he has worked on a broad array of projects including post closure landfill monitoring, hazardous site characterizations, monitoring well installations, and geotechnical investigations.

Mr. Johnson currently is assisting with Sustainable Groundwater Management Act compliance, including geologic support on a basin boundary modification, geospatial database development, and groundwater elevation and change analyses, and land surface subsidence mapping for Groundwater Sustainability Plan (GSPs). Mr. Johnson has a strong background in spatial data aggregation and application in Geographic Information Systems (GIS). Using an extensive geolocated lithologic dataset, Mr. Johnson generated high resolution hydrogeologic cross sections that were integral in the development of hydrogeologic conceptual models for the Turlock and Modesto Groundwater Basins. He also is providing technical support for numerical modeling of a complex surface water-groundwater system in the San Francisco Bay Area and Kern County.

Academic Background and Professional Credentials:

Professional Geologist California, No. 9484

MS, San Jose State University, Geology 2014
BS, The Ohio State University, Geological Sciences, 2008