The following links lead to individual plan webpages. If you have any questions or comments, please email our team at grps@ecy.wa.gov.

To find the plan nearest you, click here for the GRP Map.

To view response strategies and other locations in an interactive map, click here for the Spills Map.

Open for Update: Plans that are currently open for a full review. Our goal is for every plan to undergo a full review every five years. We will post a link for public comments when a public comment period opens up.

Last Full Update: This date reflects the year of plan publication after a comprehensive review.

GRP Open for Update Interim Update Last Full Update
Admiralty Inlet – New Format! May 2021 2017
Central Puget Sound – New Format! October 2023 2021
Chehalis River – New Format! Yes 2015
Clark, Cowlitz, SW Lewis – New Format! 2022
Grays Harbor – New Format! 2023
Green River Duwamish – New Format! December 2020 2015
Hood Canal – New Format! 2017
Lake Chelan – New Format! 2023
Lake Washington –New Format! Yes 2014
Lower Columbia River – New Format! Yes 2015
Lower Skagit – New Format! 2017
Lower Yakima – New Format! 2017
Middle Columbia River – Bonneville Pool Area – New Format! Yes 2017
Middle Columbia River – Dalles Pool – New Format! 2017
Middle Columbia River – John Day Pool – New Format! 2017
Middle Columbia River – McNary Pool – New Format! October 2023 2017
Moses Lake/Crab Creek – New Format! April 2023 2015
Nisqually River – New Format! 2015
Nooksack River – New Format! July 2023 2017
North Central Puget Sound – New Format! 2020
North Puget Sound – New Format! July 2023 2021
Outer Coast – New Format! Yes July 2017 1996
Palouse – New Format! 2017
Puyallup-White Rivers – New Format! July 2023 2017
Samish River – New Format! October 2023 2017
San Juan Islands – New Format! April 2023 2022
Snake River – Ice Harbor Pool Area – New Format 2017
Snake River – Lower Monumental Pool Area- New Format  Yes 1997
Snake River – Little Goose Pool Area – New Format  Yes 1997
Snake River – Lower Granite Pool Area- New Format  Yes 1997
Snohomish Basin (Formerly WRIA 7 ) – New Format! 2022
South Puget Sound – New Format! Yes 1994
Spokane River – New Format! October 2023 2020
Stillaguamish –New Format! 2017
Strait of Juan de Fuca – New Format!  Yes April 2022 1996
Sumas River – New Format! 2017
Upper Columbia River – New Format! October 2023 2017
Upper Green River – New Format! July 2023 2017
Upper Yakima – New Format! 2017
Warden Washington – New Format! 2017
Washington Deschutes – New Format! 2017
Wenatchee – New Format! 2017
Willapa Bay – New Format! 2020