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.

166,800 electric vehicle

registrations in Washington in 2023, up from 114,600 in 2022.

87 wetland compensation sites

actively monitored on 918 acres in 2023.

25,000 safe animal crossings

in the Snoqualmie Pass East Project area since 2014.