Marine mammals

Learn how to consider potential impacts on marine mammals if your project involves marine waters, as well as the Columbia River up to Bonneville Dam.

Consider potential impacts of construction and operation on marine mammals for all projects involving marine waters, as well as the Columbia River up to Bonneville Dam.

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Improved access to 98.2 miles of upstream fish habitat

through 15 fish passage projects in 2021.

28% increase in the value of exports and imports 

from $90.2 billion in 2020 to $115.5 billion in 2021.