John H. Foster

Senior Engineering Geologist at Earth Forensics

Dr. Foster has over 45 years of experience in the practice and teaching of engineering and environmental geology. Engineering geology includes the analysis of rock and soil properties relative to their abilities to withstand designed and natural forces that may impact an engineered structure or facility. Throughout his career, he has studied and reported on various types of projects, but he has been keenly interested in landslide geology and the geology of active faults. In addition, Dr. Foster has been engaged in environmental geology projects, such as groundwater contamination, flow modeling, and hazardous waste geology.

His experience includes research and investigations in foreign countries as well as the western U.S. His projects have included the safety evaluation of existing dams in Utah; evaluation and construction observation of a 7.5 MGD wastewater treatment plant in South Orange County, CA; geological hazards and groundwater resources for a proposed mining town in western Venezuela; a dam site investigation for off-stream emergency storage dam in San Diego County, CA; expert testimony in support of plaintiff rights in Rancho Palos Verdes Landslide; rock fall analysis in Silverado Canyon, CA; groundwater geology prior to injection well development in Oro Grande Wash, San Bernardino Canyon and most recently, research and observation of deep monitoring well in San Elijo Lagoon for groundwater resource assessment of bedrock aquifers in San Diego County, CA.


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