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NEPA - Environmental Assessments

Elk along the Columbia River. Hanford reactors in the background

Final Environmental Assessment of the Test Bed Initiative Demonstration (DOE/EA-2086, March 2023) 
Final Environmental Assessment Amending License to Modify Right Embankment of the Priest Rapids Dam (FERC Project No. 2114-303)


Final Environmental Assessment for the Proposed Laser Interferometer Gravitational-Wave Observatory (LIGO) STEM Exploration Center at Hanford (DOE/EA-2148)  
Environmental Assessment (EA) for Avista Utilities Rebuild of 12.6-miles of the Benton-Othello Switching Station 115 kV Electrical Transmission Line on the Hanford Site (DOE/EA-2038)

Public Comment Period - May 29 through June 11, 2019

Public Scoping Period - January 3 through January 16 2017


Final Environmental Assessment for Rebuild of the North Loop 230-kV Electrical Transmission Line, Hanford Site, Washington (DOE/EA-2033)


Environmental Assessment (EA) for Energy Northwest WNP-1/4 Lease Renewal, Hanford Site, Washington


Environmental Assessment (EA) for Proposed Conveyance of Land at the Hanford Site (DOE/EA-1915)


Public Comment Period - July 13 to August 12, 2015


Public Scoping Period - September 19 to October 19, 2012


Environmental Assessment for Expansion of Borrow Areas on the Hanford Site (DOE/EA-1934)


Environmental Assessment for the Deactivation of N-Reactor (DOE/EA-0984)


 Disposal of Decommissioned, Defueled Naval Reactor Plants from USS Enterprise (cvn 65)


Closure of Nonradioactive Dangerous Waste Landfill and Solid Waste Landfill (DOE/EA-1707)















  • Expansion of the Volpentest Hazardous Materials Management and Emergency Response Training and Education Center, Hanford Site, Richland, WA (DOE/EA-1412)
    Environmental Assessment (PDF)




Last Updated 10/26/2023 9:52 AM