Seth Mansergh


Seth Mansergh has been an attorney at SL Environmental Law Group since 2009.  He  focuses his practice on complex environmental litigation.

Seth has substantial experience involving MTBE contamination litigation. He was a member of the team that represented the State of New Hampshire in its successful statewide MTBE case. He is currently engaged in environmental contamination matters for water systems and school districts. Prior to joining the firm, Seth worked on discovery matters in a highly publicized criminal case.

Seth attended Golden Gate University School of Law where he was an editor on both the Golden Gate University Law Review and Environmental Law Journal. His article, Out the Smokestack, Retooling California’s Marine Vessel Rules for Federal Authorization, was published by the GGU Law Review in 2009. Seth was president of the Environmental Law Society, a co-chair on the California Water Law Symposium, and graduated with Distinction in Environmental Law. He earned his undergraduate degree from University of California, San Diego where he focused on Public Policy and Environmental Studies.