College of Idaho, B.S., 1967 (zoology)
University of Miami, M.S., 1975 (marine biology)
University of Miami School of Law, J.D., 1977, cum laude, Wig and Robe Society, Editor, University of Miami Law Review
Don is rated as an AV Preeminent attorney and Peer Rating 5.0 of 5.0 by Martindale Hubbell.
The College of Idaho selected Don Haagensen as its 2013 Distinguished Alumni.
Don was also elected to membership in Sigma Xi, an honor society for science and engineering.
2013 Best Lawyers' Portland, OR Environmental Law "Lawyer of the Year"
Don's peers have selected him for inclusion in Oregon Super Lawyers.
Don has recently been named an America's Top 100 Attorneys Lifetime Achievement Member.
Admitted to Practice
Oregon State Courts
United States District Court, District of Oregon
United States Court of Appeals, Ninth Circuit
United States Supreme Court
Since 1977, Don Haagensen has focused his practice primarily in the areas of environmental, natural resources, and energy law. He has represented private and public clients in resolving complex environmental legal issues under Oregon and federal law.
Mr. Haagensen has assisted clients with the permitting of large-scale, electric generating projects, including hydroelectric, wind, geothermal, nuclear, coal, and cogeneration projects. In addition, he has represented clients in the investigation and remediation of properties with hazardous substance contamination and assisted clients through negotiation and litigation to recover the costs incurred from the responsible parties.
Mr. Haagensen was a graduate biologist, published scientific articles and a book, and worked as a scientist for the federal government before entering law school. Before this firm, Mr. Haagensen was a partner in the environmental and energy group of one of the largest law firms in the Pacific Northwest.
Drafted environmental legislation for clients and associations and assisted them with the passage of legislation in previous sessions of the Oregon Legislative Assembly.
Provides regulatory, legislative, and litigation counsel on matters involving hazardous and solid waste for two national environmental service providers.
Represented numerous clients for investigation and cleanup of contaminated properties including innovative approaches such as sale back of property to prior owner, entering prospective purchaser agreement to protect new owner, and convincing prior owners and operators to agree to fund all except minor share of costs for investigation and cleanup by current owner.
Assisted clients with the relicensing of hydroelectric projects under traditional and alternative licensing procedures, including consultations under the Endangered Species Act of 1973 and federal, state, and local authorization processes.
Assisted client with multi-year investigation, repair and reconstruction of a hydroelectric project damaged by failure of an embankment at the project.
Represented agricultural organizations and farmers for air issues before the Oregon Legislative Assembly, with state and federal agencies, and in court.
Lieut., U.S. Coast Guard, 1969-1972
Member, Oregon Department of Geology and Mineral Industries, Governing Board (1981-1990, 2002-2010), Chair (three terms), Vice Chair (one term)
Chair, Oregon Mined Land Reclamation Advisory Committee (1983-1987)
Member, Oregon Department of Environmental Quality advisory committees:
Executive Committee of the Agricultural Law Section of the Oregon State Bar (2001)
Natural Resources Committee of the Oregon State Bar (1981-84)
The following list highlights some of Mr. Haagensen’s published works.
Oregon State Bar, Environmental & Natural Resources Section publication, Outlook, coauthored “Avoiding Double Penalties for Violations of Water Pollution Control Laws” with Richard Lorenz (2000)
Oregon Insider, “Hazardous Waste Management Facility Pioneers Disposal of ‘CAMU-Eligible’ Waste” (2003)
Oregon State Bar, Environmental and Natural Resources Law, coauthored “Environmental Cleanup Liability” chapter with Margaret Stern (2002, supp. 2006)
H.B. Michel, M. Foyo and D. Haagensen. "Caribbean Zooplankton, Part I - Siphonophora, Heteropoda, Copepoda, Euphausiacea, Chaetognatha and Salpidae; Part II - Thecosomata." Office of Naval Research, Department of the Navy. (1976)
Willamette University Parents Board
Coach, youth sports teams
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