In your watershed

Washington is divided into 62 Water Resource Inventory Areas (WRIAs) based on natural watersheds. Due to Washington’s varied land uses, hydrology, and precipitation levels, the amount of water available for new water right permits varies dramatically across the state.

What is a WRIA?

WRIAs are areas defined by higher elevation that capture precipitation and funnel rain and snowmelt through smaller subbasins into streams, tributaries, and rivers. Due to Washington’s varied terrain and precipitation levels, water availability is different in each location.

On the WRIA pages found below, you can learn more about the key factors affecting water availability in your WRIA. Note: Some of these pages are still being developed. If you don’t see a link to information for the WRIA you’re looking for, check back soon.

1–22	23–44	45–62
1 Nooksack 2 San Juan 3 Lower Skagit 4 Upper Skagit 5 Stillaguamish 6 Island 7 Snohomish 8 Cedar/Sammamish 9 Duwamish-Green 10 Puyallup-White 11 Nisqually 12 Chambers-Clover 13 Deschutes 14 Kennedy-Goldsborough 15 Kitsap 16 Skokomish-Dosewallips 17 Quilcene-Snow 18 Elwha-Dungeness 19 Lyre-Hoko 20 Soleduc-Hoh 21 Queets-Quinault 22 Lower Chehalis	23 Upper Chehalis 24 Willapa 25 Grays-Elochoman 26 Cowlitz 27 Lewis 28 Salmon-Washougal 29 Wind-White Salmon 30 Klickitat 31 Rock-Glade 32 Walla Walla 33 Lower Snake 34 Palouse 35 Middle Snake 36 Esquatzel-Coulee 37 Lower Yakima 38 Naches 39 Upper Yakima 40 Alkali-Squilchuck 41 Lower Crab 42 Grand Coulee 43 Upper Crab 44 Moses Coulee	45 Wenatchee 46 Entiat 47 Chelan 48 Methow 49 Okanogan 50 Foster 51 Nespelem 52 Sanpoil 53 Lower Lake Roosevelt 54 Lower Spokane 55 Little Spokane 56 Hangman 57 Middle Spokane 58 Middle Lake Roosevelt 59 Colville 60 Kettle 61 Upper Lake Roosevelt 62 Pend Oreille

Note: Some counties have multiple watersheds (WRIA's) and will have links to more than one water availability page.

A–D	D–K	L–S	T–Z
Adams Asotin Benton Chelan Clallam Clark Columbia Cowlitz Upper Chehalis Douglas	Ferry Middle Lake Roosevelt Franklin Garfield Grant Grays Harbor Lower Chehalis Upper Chehalis Island Jefferson Lower Chehalis King Puyallup-White Kitsap Kittitas Klickitat Klickitat	Lewis Upper Chehalis Lincoln Mason Lower Chehalis Okanogan Okanogan Pacific Lower Chehalis Upper Chehalis Pend Oreille Little Spokane Pierce Puyallup-White San Juan Skagit Nooksack Skamania Snohomish Spokane Little Spokane Stevens Little Spokane Middle Lake Roosevelt	Thurston Lower Chehalis Upper Chehalis Wahkiakum Walla Walla Whatcom Nooksack Whitman Yakima Klickitat Statewide

A–D

D–K

L–S

T–Z

Adams
Asotin
Benton
Chelan
Clallam
Clark
Columbia
Cowlitz

Upper Chehalis

Douglas

Ferry

Middle Lake Roosevelt

Franklin
Garfield
Grant
Grays Harbor

Island
Jefferson

Lower Chehalis

King

Puyallup-White

Kitsap
Kittitas

Klickitat

Klickitat

Lewis

Upper Chehalis

Lincoln
Mason

Lower Chehalis

Okanogan

Okanogan

Pacific

Pend Oreille

Little Spokane

Pierce

Puyallup-White

San Juan
Skagit

Nooksack

Skamania
Snohomish
Spokane

Little Spokane

Stevens

Thurston

Wahkiakum
Walla Walla
Whatcom

Nooksack

Whitman
Yakima

Klickitat

Statewide

Contact information

Central Region

(Benton, Chelan, Douglas, Kittitas, Klickitat, Okanogan and Yakima)
Help desk: 509-575-2597

Eastern Region

(Adams, Asotin, Columbia, Ferry, Franklin, Garfield, Grant, Lincoln, Pend Oreille, Spokane, Stevens, Walla Walla and Whitman)
Help desk: 509-329-3400

Northwest Region

(Island, King, Kitsap, San Juan, Skagit, Snohomish and Whatcom)
Help desk: 206-594-0193

Southwest Region

(Clallam, Clark, Cowlitz, Grays Harbor, Jefferson, Mason, Lewis, Pacific, Pierce, Skamania, Thurston and Wahkiakum)
Help desk: 360-407-0278

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