Geographic Response Plans

State Geographic Response Plan (GRP) Sites

Washington: Coastal and inland Geographic Response Plans (GRPs) for Washington State including the lower Columbia River are maintained by Washington Department of Ecology. The Spokane River GRP, Snake River GRPs, and Middle Columbia River GRP are jointly maintained by Ecology and the U.S. Environmental Protection Agency (Region 10).
Oregon: Coastal GRPs for Oregon are maintained by Oregon Department of Environmental Quality. The Lower Deschutes River GRP is maintained by the U.S. Environmental Protection Agency.
Idaho: Maintained by the Environmental Protection Agency (EPA)

Geographic Response Plans (GRPs) Table:

GRP Name	State	Maintained by Agency
Clearwater/Lochsa River GRP	Idaho	US - EPA
Kootenai River	Idaho	US - EPA
Pend Oreille	Idaho	US - EPA
Treasure Valley	Idaho	US - EPA
Coos Bay	Oregon	OR - DEQ
Lower Deschutes River	Oregon	US - EPA
North Oregon Coast	Oregon	OR - DEQ
South Oregon Coast	Oregon	OR - DEQ
Tillamook Bay	Oregon	OR - DEQ
Yaquina Bay	Oregon	OR - DEQ
Admiralty Inlet	Washington	WA - Ecology
Central Puget Sound	Washington	WA - Ecology
Chehalis River	Washington	WA - Ecology
Clark, Cowlitz, SW Lewis	Washington	WA - Ecology
Grays Harbor	Washington	WA - Ecology
Green River/Duwamish	Washington	WA - Ecology
Hood Canal	Washington	WA - Ecology
Lake Chelan	Washington	WA - Ecology
Lake Washington	Washington	WA - Ecology
Lower Columbia River	Washington	WA - Ecology
Lower Skagit River	Washington	WA - Ecology
Lower Yakima River	Washington	WA - Ecology
Middle Columbia River – Bonneville Pool Area	Washington	WA - Ecology
Middle Columbia River – The Dalles Pool Area	Washington	WA - Ecology
Middle Columbia River – John Day Pool Area	Washington	WA - Ecology
Middle Columbia River – McNary Pool Area	Washington	WA - Ecology
Moses Lake/Crab Creek	Washington	WA - Ecology
Nisqually River	Washington	WA - Ecology
Nooksack River	Washington	WA - Ecology
North Central Puget Sound	Washington	WA - Ecology
North Puget Sound	Washington	WA - Ecology
Outer Coast	Washington	WA - Ecology
Palouse	Washington	WA - Ecology
Puyallup-White	Washington	WA - Ecology
Samish River	Washington	WA - Ecology
San Juan Islands	Washington	WA - Ecology
Snake River Ice Harbor Pool Area	Washington	WA - Ecology
Snake River Little Goose Pool	Washington	WA - Ecology
Snake River Lower Granite Pool	Washington	WA - Ecology
Snake River Lower Monumental Pool Area	Washington	WA - Ecology
Snohomish & Skykomish Rivers	Washington	WA - Ecology
South Puget Sound	Washington	WA - Ecology
Spokane River	Washington	WA - Ecology
Stillaguamish	Washington	WA - Ecology
Strait of Juan de Fuca	Washington	WA - Ecology
Sumas River	Washington	WA - Ecology
Upper Columbia River	Washington	WA - Ecology
Upper Green River	Washington	WA - Ecology
Upper Yakima River	Washington	WA - Ecology
Warden Washington	Washington	WA - Ecology
Washington Deschutes	Washington	WA - Ecology
Wenatchee	Washington	WA - Ecology
Willapa Bay	Washington	WA - Ecology