The following are links to PDF files for GRPs. If you have any questions or comments, please email us at grps@ecy.wa.gov.

To see which GRPs are in your area, click here for the GRP Map.

To view GRP strategies in an interactive map, click here for the Spills Map.

Open for Update: These are plans that are currently open for a full review. Our goal is for every plan to undergo a full review every 5 years. We will post a link for public comments when a public comment period opens up.

Last Full Update: This date reflects the last time a plan was open for a full review.

GRP Open for Update Interim Update Last Full Update
Admiralty Inlet – New Format! NFO Update 2017
Hood Canal – New Format! 2017
Central Puget Sound – New Format! NFO Update, fall 2022 2021
Chehalis River – New Format! 2015
Clark, Cowlitz, SW Lewis – New Format! NFO Update 2022
Grays Harbor – New Format! Yes NFO Update, fall 2022 2013
Green River Duwamish New Format! NFO Update 2015
Lake Chelan – New Format! Yes 2015
Lake Washington –New Format! Yes 2014
Lower Columbia River – New Format! Yes NFO Update 2015
Lower Skagit – New Format! NFO Update 2017
Lower Yakima – New Format! 2017
Middle Columbia River – Bonneville Pool Area – New Format! NFO Update 2017
Middle Columbia River – John Day Pool – New Format! NFO Update 2017
Middle Columbia River – McNary Pool New Format! NFO Update, fall 2022 2017
Middle Columbia River – Dalles Pool – New Format! NFO Update 2017
Moses Lake/Crab CreekNew Format! 2015
Nisqually – New Format! NFO Update 2015
Nooksack River New Format! NFO Update 2017
North Central Puget SoundNew Format! NFO Update 2020
North Puget Sound – New Format! NFO Update 2021
Outer Coast New Format! Yes NFO Update 1996
Palouse – New Format! 2017
Puyallup-White – New Format! NFO Update 2017
Samish River – New Format! NFO Update 2017
San Juan Islands – New Format! NFO Update 2022
Snake River – Ice Harbor Pool AreaNew Format NFO Update 2017
Snake River – Little Goose Pool Area – New Format  Yes 1997
Snake River – Lower Granite Pool Area- New Format  Yes 1997
Snake River – Lower Monumental Pool Area- New Format  Yes NFO Update 1997
Snohomish Basin (Formerly WRIA 7 ) – New Format! NFO Update 2022
South Puget Sound – New Format! Yes NFO Update 1994
Spokane River New Format! NFO Update 2020
Stillaguamish –New Format! NFO Update 2017
Strait of Juan de FucaNew Format!  Yes NFO Update 1996
Sumas River – New Format! NFO Update 2017
Upper Columbia River – New Format! 2017
Upper Green River – New Format! 2017
Upper Yakima – New Format! 2017
Warden Washington – New Format! NFO Update 2017
Washington Deschutes – New Format! 2017
Wenatchee – New Format! 2017
Willapa Bay – New Format! 2020