Expert Details

Expert in Environmental Site Assessment, CEQA, NEPA, Geology, Hydrogeology, Hydrology, Stormwater

Expert ID: 729761 California, USA

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Expert Hagemann is California licensed Professional Geologist and Certified Hydrogeologist and a co-founding partner of a prestigious consulting firm. Expert has 30 years of regulatory and consulting experience in environmental policy, site assessment and remediation. His practice focuses on providing assistance to clients as a consulting expert and expert witness for environmental litigation. Expert has extensive experience in the interpretation of environmental data and the application of environmental regulations and regulatory guidance. He has provided technical consulting support and expert witness testimony for a variety of cases concerning perchlorate, MTBE, and petroleum hydrocarbons contamination. Expert has also led research on several projects to compile comprehensive histories on the chemical synthesis, production, and industry knowledge related to MTBE, perchlorate and perfluoroalkyl and polyfluoroalkyl substances (PFAS). Expert also conducts inspections of best management practices to improve stormwater quality at industrial facilities regulated under the California Industrial General Permit.

Expert has an extensive history in environmental consulting and regulatory oversight. He previously served as the Senior Science Policy Advisor with U.S. EPA Region 9 in San Francisco, where he advised senior management on emerging water quality and hazardous waste issues. Expert also served as a hydrogeologist in the Superfund and RCRA divisions in overseeing the investigation and cleanup of toxic waste facilities, including seven closing military bases. At EPA, Expert led technical aspects of enforcement against polluters resulting in significant settlements. Expert joined U.S. EPA in 1989 as a charter member of the RCRA Corrective Action Section. In this role, he applied newly written guidance in the investigation and cleanup of sites and assisted in the delegation of EPA’s authority to states. Expert also worked as a hydrogeologist in EPA’s Water Division and implemented Safe Drinking Water Act programs and provided division-wide assistance on issues involving the Clean Water Act. In addition, Expert worked as a hydrologist for the National Park Service to ensure protection of water quality of National Parks throughout the U.S. under provisions of the Clean Water Act.

Expert may consult nationally and internationally, and is also local to the following cities: Los Angeles, California - Long Beach, California - Santa Ana, California - Anaheim, California - Riverside, California - Bakersfield, California - Glendale, California - Huntington Beach, California - San Bernardino, California - Oxnard, California

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Year Degree Subject Institution
Year: 1984 Degree: M.S. Subject: Geology Institution: California State University Los Angeles, Los Angeles, CA
Year: 1982 Degree: B.A. Subject: Geology Institution: Humboldt State University, Arcata, CA

Work History

Years Employer Title Department Responsibilities
Years: 2003 to Present Employer: Undisclosed Title: Principal Geologist/Partner Department: Responsibilities: Conducts hydrogeology investigations, site assessments, and handles matters involving state and federal environmental regulations and compliance. Expert concerning CEQA and NEPA compliance, CERCLA and RCRA.
Years: 2000 to 2003 Employer: Komex H2O Science Inc. Title: Senior Environmental Analyst Department: Responsibilities: Senior researcher on projects involving groundwater contamination and regulatory compliance for various projects involving litigation concering MTBE, perchlorate, and other hazardous substances.
Years: 1989 to 1998 Employer: U.S. Environmental Protection Agency Title: Senior Science Policy Advisor and Hydrogeologist Department: Responsibilities: Advised senior staff on technical matters concerning hazardous waste sites, RCRA and CERCLA policy, investigations, hydrogeology, and other matters.
Years: 1998 to 2000 Employer: National Park Service, Water Resources Division Title: Hydrogeologist Department: Responsibilities: Performed hydrology studies for the NPS concerning deforestation, runoff, sedimentation, streams, and other environmental matters relating to forest health and ecosystems.
Years: 1993 to 1998 Employer: San Francisco State University, Department of Geosciences Title: Adjunct Faculty Member Department: Responsibilities:
Years: 1986 to 1998 Employer: U.S. Forest Service Title: Geologist Department: Responsibilities:
Years: 1984 to 1986 Employer: Dames & Moore Title: Geologist Department: Responsibilities:

Career Accomplishments

Licenses / Certifications
California P.G., Issued 2009, Expires July 2021
California C.Hg., Issued 2010, Expires July 2021

Fields of Expertise

aquifer, California Environmental Protection Agency, coastal-zone environmental impact, environment-related assessment, environmental compliance, environmental data, environmental due diligence investigation, environmental geology, environmental impact, environmental impact assessment, environmental liability, environmental management, environmental protection, Environmental Protection Agency, Environmental Protection Agency regulation, environmental regulation, environmental remediation, environmental restoration, environmental sample, environmental sampling, environmental science, environmental site assessment, environmental site auditing, environmental water sample, environmental water sampling, expert witness, groundwater, groundwater cleanup, groundwater contamination, groundwater pollution assessment, hydrology, soil sampling, storm water damage, stormwater, stormwater management, stormwater permitting, urban runoff, water analysis, water pollutant, water pollution assessment, water sample, water sampling, water-quality assessment, environmental forensics, environmental fate, environmental waste, environmental air quality, environmental monitoring, environmental analytical chemistry, environmental organic chemistry, waste assessment, environmental cleanup, environmental effect, environmental modeling, environmental risk assessment, environmental health, environmental exposure assessment, environmental engineering, environmental chemistry, ecosystem assessment, ecological risk assessment

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