Brent Johnson

Associate Hydrogeologist

Photo of Brent


Mr. Johnson is a California licensed Professional Geologist and Certified Hydrogeologist who has ten years of experience as a consulting geologist for both public and private sector clients. He 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.

Mr. Johnson has assisted with Sustainable Groundwater Management Act compliance and implementation, including geologic support on a basin boundary modification, geospatial database development, groundwater elevation and change analyses, and land surface subsidence mapping for Groundwater Sustainability Plan (GSPs) as well as annual report preparation, monitoring network development, and grant funding support. Mr. Johnson has a strong background in spatial data aggregation and application in Geographic Information Systems (GIS).

For many years Mr. Johnson has been focussed on Managed aquifer recharge (MAR), especially related to recycled water reuse. He has been an integral part of the award winning Pure Water Monterey Groundwater Replinishment Project that injects recycled water into the Seaside Groundwater Basin for indirect potable reuse (IPR) project. Mr. Johnson has been involved in the design, construction, testing, equipping, operation, and trouble shooting the first IPR injection wells in California.

Professional Credentials and Academic Background:

California Professional Geologist No. 9484
California Certified Hydrogeologist No. 1107

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