Leslie Nellermoe focuses her practice on contaminated property and waste management issues.  She advises clients on the cost-effective cleanup and redevelopment of contaminated property under state and federal laws.  She also assists companies and municipalities to obtain and comply with waste management permits.

For more than thirty years, Leslie has represented owners and operators of commercial, municipal and industrial facilities, small and large buyers, sellers, and lenders involved in contaminated property cleanups and transactions in Washington, Oregon, California, Idaho, Kansas, Nevada, Oklahoma, and Missouri.  She frequently represents clients in allocation processes, mediation and litigation to allocate costs incurred investigating the nature and extent of contamination, and in implementing remedial actions.  She has defended suits brought by neighbors of controversial facilities.  In addition, Leslie assists public and private owners and operators of municipal solid waste management facilities in obtaining and complying with operating permits, and provides counsel regarding remedial actions required by regulators.  She also works to devise strategies to enable her clients to recover insurance to fund the investigation and remedial activities necessary to address contamination.

Leslie began her career as an Assistant Attorney General for the State of Washington.  She represented the Departments of Ecology, Social and Health Services, and State Parks, and was the first attorney to staff the then newly-created Office of Minority and Women’s Business Enterprises.



Pasco Sanitary Landfill Inc. – Pasco Landfill Superfund Site.  Leader of legal team for owner of landfill at which tens of thousands of barrels of industrial wastes were buried with a remedy estimated to cost up to $100,000,000.  She is directing strategy for responding to State of Washington administrative orders, conducting contribution litigation with tens of parties and participating in mediation.

Ash Grove Cement Company – Portland Harbor Superfund Site.  Represents cement company with import terminal and former cement kiln operations within Superfund Site on allocation, natural resource damages, and remedial actions.



Honors & Recognitions

Named on Seattle Met 2010 Top Lawyers, Environmental

Martindale-Hubbell AV Preeminent Rated

Selected to the Washington State Super Lawyers list, 2015-2020



Hazardous Waste Operations and Emergency Response (HAZWOPER) training


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