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HERMISTON — The former Umatilla Chemical Weapons Depot near Hermiston now is in local control and could be the site of a hydrogen hub for the Northwest.

The U.S. Army on March 3 transferred the former Umatilla Chemical Weapons Depot land to the Columbia Development Authority in Boardman.The CDA has slated more than 3,100 acres already for industrial development, split between the ports of Morrow and Umatilla. Depot land lies in both counties.

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Rachel Jacobson, left, assistant secretary of the Army for Installations, Energy and Environment, and Greg Smith, Columbia Development Authority executive director, shake hands March 20, 2023, in the Pentagon.

Igloo explosion

A worker inside an igloo at the Umatilla Ordnance Depot stacks 500-pound bombs similar to the ones that exploded on March 21, 1944.


Storage igloos line a section on the southeast corner of the former Umatilla Chemical Depot on July 14, 2020. The Army held a ceremony March 20, 2023, at the Pentagon to recognize transferring the land to the local control of the Columbia Development Authority.

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