International Society of Primerus Law Firms
Thomas M. Hnasko
Practice Areas:

Santa Fe Attorney
Thomas M. Hnasko

Phone: 505.982.4554


Languages: English

Mr. Hnasko represents a variety of clients in all aspects of environmental law, including property owners, public interest groups, financial institutions, oil and gas producers, private citizens, claimants and defendants in complex toxic tort cases, and petroleum product distributors. His environmental experience includes prosecuting cases under the National Environmental Policy Act, prosecuting and defending complex toxic tort cases, claims under the federal Comprehensive Environmental Response, Compensation and Liability Act of 1980, issues under the federal Clean Water Act and New Mexico Water Quality Act, and a variety of cases under the New Mexico Groundwater Protection Act and other environmental laws. Currently, he has been retained as lead counsel to defend the New Mexico Water Quality Control Commission against claims brought by the Attorney General and others challenging the promulgation of New Mexico’s Copper Mine Remediation Rule in Gila Resources Information Project, et al. v. New Mexico Water Quality Control Commission and Freeport-McMoran Chino Mines Company, et al.; New Mexico Court of Appeals, Case Nos. 33,237; 33,238; and 33,245 (Consolidated).

Mr. Hnasko has authored numerous articles on environmental liabilities, and he has lectured on a variety of environmental subjects to the State bars of Utah, Arizona, and New Mexico and to other continuing legal education groups. Mr. Hnasko is an A-V rated attorney who is recognized by the New Mexico Board of Legal Specialization as a specialist in environmental law. He presently serves as Chair of the New Mexico Environmental Specialization Committee and is a Fellow in the American College of Environmental Lawyers.

Mr. Hnasko has been listed as a Best Lawyer in America for environmental law for over ten consecutive years and has been selected as a New Mexico SuperLawyer in Environmental Litigation since 2007. He was honored as Best Lawyers’ Lawyer of the Year in Santa Fe for environmental litigation in 2013 and for environmental law in 2011.

Areas of Practice

Environmental and Natural Resources Law

Certified Legal Specialties

Certified Specialist in Environmental Law, by the New Mexico Board of Legal Specialization, 2001 – 2016

Bar Admissions

New Mexico, 1982
U.S. Court of Appeals 10th Circuit, 1982


University of North Dakota School of Law, Grand Forks, North Dakota
     J.D. – 1982
Honors: Order of the Coif
     University of North Dakota, Grand Forks, North Dakota
     B.A. – 1979
     Honors: with Honors

Honors and Awards

Best Lawyers in America, Environmental Law 2003 – 2014
Best Lawyers’ Lawyer of the Year, Santa Fe, Environmental Law, 2011
Best Lawyers’ Lawyer of the Year, Santa Fe, Environmental Litigation, 2013
Southwest SuperLawyer, 2007 – 2014
A-V Rated – Martindale Hubbell

Professional Associations and Memberships

Fellow, American College of Environmental Lawyers
Chairman, New Mexico Legal Specialization, Committee for Environmental Law
Past Chair, State Law Resources

Contact This Firm

Hinkle Shanor LLP

218 Montezuma Avenue
Santa Fe, NM 87501
United States

Law Firm Contact: Jaclyn M. McLean

Tel: 505.982.4554

Fax: 505.982.8623



Member Since: 2016

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