Regional office contacts
Reception, manager, and media contact information for our regional offices.
Click map for regional contact information
Southwest regional office (SWRO)
Clallam, Clark, Cowlitz, Grays Harbor, Jefferson, Mason, Lewis, Pacific, Pierce, Skamania, Thurston, and Wahkiakum counties
Office of Chehalis Basin
Northwest regional offices
Island, King, Kitsap, San Juan, Skagit, Snohomish, and Whatcom counties
Central regional offices
Benton, Chelan, Douglas, Kittitas, Klickitat, Okanogan, and Yakima counties
Office of Columbia River
Richland — Nuclear Waste Program
Eastern regional offices
Adams, Asotin, Columbia, Ferry, Franklin, Garfield, Grant, Lincoln, Pend Oreille, Spokane, Stevens, Walla Walla, and Whitman counties
Not sure who to contact?
Contact our main receptionist — 360-407-6000