Sedgwick LLP

Earl L. Hagström

San Francisco, California
tel: 415.781.7900
fax: 415.781.2635


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Earl L. Hagström is an Environmental Litigation Partner residing in Sedgwick LLP’s San Francisco, California office.  Mr. Hagström litigates groundwater contamination cases involving MtBE, PCE, Perchlorate and CR VI and counsels clients on water rights matters.  He has represented clients in litigation over the disposal of flow-back fluids from oil and gas operations.  He has evaluated environmental liabilities in bankruptcy proceedings, and the allocation of damages and risks for insurance clients facing multi-site and multi-party long-tailed claims.  Mr. Hagström was an Exploration Geologist for Phillips Petroleum’s Frontier Exploration Group (now Conoco-Phillips) (1978-1982) and an Exploration Supervisor for British Petroleum’s North Alaska Group (1982-1986).  He holds a B.A. in Geology from Boston University (1976), a M.S. in Sedimentation and Stratigraphy, magna cum laude, from the University of Rhode Island (1978) and a J.D. from the University of San Francisco (1990).  He is Chair of Sedgwick LLP’s Hydraulic Fracturing Task Force and Co-Editor of its Hydraulic Fracturing Digest.

Areas of Concentration

Environmental Litigation; Eminent Domain; Water Quality; Hazardous Waste


California; 9th U.S. Circuit Court of Appeals; U.S. District Court (C.D. Cal.); U.S. District Court (E.D. Cal.); U.S. District Court (N.D. Cal.); U.S. District Court (E.D. Mich.)


J.D. (1990) University of San Francisco School of Law
M.S. (1978) University of Rhode Island, magna cum laude
B.A. (1976) Boston University