Jeffrey S. Longsworth

Partner
  • 1717 Pennsylvania Avenue N.W.
    Suite 500
    Washington, D.C. 20006-4623
    P:202-408-6918
    F:202-289-1330

Jeffrey S. Longsworth is a partner in the Washington, D.C. office of Barnes & Thornburg LLP and the D.C. administrator of the Environmental Department, which was recently recognized as Tier 1 for national environmental litigation in the annual "Best Law Firms" ranking by U.S. News and Best Lawyers. He is involved in counseling and litigating issues that arise under federal environmental laws and regulations, with an emphasis on Clean Water Act matters, especially issues involving permitting, stormwater, effluent limitations guidelines, enforcement, inspections and spill prevention.

Mr. Longsworth was appointed to the EPA Federal Advisory Committee on Urban Wet Weather Flows, which was established in 1996. He frequently teaches environmental law courses around the country, and serves as editorial advisor to several industry publications. He has served on the Montgomery County (Maryland) Water Quality Advisory Board.

Mr. Longsworth serves as special environmental counsel to numerous national trade associations, industries, coalitions and state/municipal government agencies before federal and state regulatory and enforcement authorities. He works closely within the federal rulemaking process with the U.S. Environmental Protection Agency, Small Business Administration, and White House Office of Management and Budget, to name a few. Mr. Longsworth also works closely with many state regulatory agencies and advises clients and the firm’s legislative team on environmental issues arising under federal legislation.

Mr. Longsworth graduated from Amherst College in 1984 and received his J.D. in 1991 from the Catholic University of America Columbus School of Law, where he served as a member of the Law Review.

Mr. Longsworth is admitted to practice in the state of Maryland and the District of Columbia, and before the U.S. Court of Appeals for the 1st, 2nd, 4th, 7th, 9th and District of Columbia Circuits.