Non-Federal Waters

Federal Navigable Waters in Washington State

Body of Water and Location Navigable Non-navigable REMARKS Bachelor Island Side channel of Columbia River. Mouth X Slough 14 miles S of Vancouver, WA (tidal). Part of Columbia Estuary. Chinook to Ilwaco Baker Bay X (including West Channel). Bear Creek X At mile 0.8. Flows into Willapa Bay. Navigable to head of Bear River X tidewater, about 4 miles above mouth. (Hood Canal) Navigable to mouth of Big Beef Big Beef Harbor X Creek (tidal). Bingen Channel X Columbia River, Bonneville Pool Backwater. Side channel of Columbia River. 1 mile S of Birnie Slough X Cathlamet on Puget Island (tidal). Bogachiel River X Tributary of Quillayute River. Tributary of Skamokawa Creek. Mouth at Brooks Slough X Skamokawa. Budd Inlet X Puget Sound. Near Olympia. Side channel of Columbia River. Mouth 5 miles Burke Slough X upstream from Kalama (tidal). Southwestern Clark County; originates Mill Burnt Bridge Creek X Plains area, 7 miles to Vancouver Lake. Near Olympia. Formed by dam at mouth of Capitol Lake X Deschutes River. Carr Inlet X Puget Sound. Pierce County. Side channel of Columbia River near Longview Carrol’s Channel X (tidal). Case Inlet X Puget Sound. Mason County. Side channel of Columbia River at Cathlamet Cathlamet Channel X (tidal). Flows into Lake Washington at Renton. Cedar River X Navigable to mile 1.3. Flows into Puget Sound near Steilacoom. See Chambers Creek X Steilacoom Waterway. Charlton Channel X Navigable to mile 4. Chehalis River X Flows into Grays Harbor. Navigable to mile 68. Chelan, Lake X Only outlet is Chelan River. Tributary of Columbia River. Navigable at mile Chelan River X 0.05 (Columbia River backwater). Flows into Baker Bay. Mouth 3 miles E of Chinook River X Ilwaco (tidal). Navigable to mile 0.6.

Body of Water and Location Navigable Non-navigable REMARKS Tributary of Columbia River, mouth 10 miles Coalcreek Slough X downstream from Longview. Navigable for entire distance in the United Columbia River X States. Columbia River From Grand Coulee Dam to Canadian border X Reservoir (see Lake Roosevelt). Tributary of Cowlitz River. Mouth at Longview. Coweeman River X Navigable at mile 4. Tributary of Columbia River. Mouth at Cowlitz River X Longview. Navigable to mile 34. Tributary of Columbia River. Mouth 7 miles NE Deep River X of Astoria, OR (tidal). Navigable to mile 5. Dell Creek X Tributary of Naselle River near Naselle. Deschutes Basin See Capitol Lake. Flows into Capitol Lake at Olympia. Coast Deschutes River X Guard considers non-navigable at mile 11. Diablo Lake X Skagit River. Flows into Quillayute River near La Push. Dickey River X Navigable to head of tidewater 1 mile above mouth. Duck Creek X Tributary of Elochman River. Dungeness River X Flows into Strait of Juan de Fuca at Dungeness. River mouth is considered the head of West Waterway, Seattle Harbor, about 0.3 mile downstream of the Spokane Street Bridge. The head of navigation is the mouth of Black River, Duwamish River former outlet of Lake Washington. This is also the approximate head of the tide and the point of which the Duwamish becomes the Green. See also Green River. Side channel of Snohomish River North of Ebey Slough X Everett. Edison Slough X Flows into Samish Bay (tidal). Tributary of Columbia River. Flows into Elochoman River X Elochoman Slough (tidal at mile 3). Side channel of Columbia River at Cathlamet Elochoman Slough X (tidal). Elwell Creek X Tributary of Skyomish River. Entiat River X Tributary of Columbia River. Falk Creek X Tributary of Skamokawa Creek. Side channel of Nooksack River (tidal). Also Ferndale Slough X known as Portage Slough. Fifth Street Navigable at bridge over 5th Street Waterway X Waterway at Steilacoom (tidal).

Body of Water and Location Navigable Non-navigable REMARKS Side channel of Columbia River at Island Fisher Island Slough Channel. Downstream end X (Fisher) 6 miles downstream from Longview, (tidal). Navigable to mile 2. Franklin D. Roosevelt, X See Columbia River. Lake Germany Creek X Tidal at State Route 4 bridge. Governors Lake X See Capitol Lake. At Aberdeen (tidal) from U.P.P.R. Bridge at Aberdeen to seaward end of bar channel, Grays Harbor X including all bays and sloughs to the elevation of mean high water. Tributary of Lower Columbia River. Mouth Grays River X 7 miles NE of Astoria, OR (tidal at town of Grays River, mile 8). Green Lake X Seattle. Becomes Duwamish River at mouth of Black River (head of tidewater), mile 11. Navigable to mile 23 at Kent. Non-navigable upstream of Green River X State Highway 516 Bridge in existence on October 26, 1981. Act of Congress, 33 U.S.C. 59s. Flows into Hood Canal near Eldon (tidal to Hama Hama River X mile 1). Tributary of Columbia River. Navigable to limit Hamilton Creek X of Columbia River backwater elevation of 28.5 MSL. Flows out of Stillaguamish River near mile 8. Hat Slough X Mileage shown is from head to mouth in Port Susan (tidal). Flows into Pacific Ocean near Forks (tidal to Hoh River X about mile 1). Flows into Strait of Juan de Fuca near Sekiu Hoko River X (tidal to about mile 1). Hood Canal X Near Port Gamble. Flows into Grays Harbor at Hoquiam (tidal to Hoquiam River X about mile 7). Navigable to mile 8. Hoquiam River (East Flows into Hoquiam River at Hoquiam (tidal to X Fork) about mile 6.5). Horse Shoe Lake X Old channel of Lewis River at Woodland. Horse Thief Lake X Klickitat County. Flows into Grays Harbor near Hoquiam (tidal Humptulips River X at mile 1).

Body of Water and Location Navigable Non-navigable REMARKS Flows into Grays Harbor near Markham (tidal). Johns River X Navigable to mile 4. Johnson Creek X Flows into Sequim Bay at Pitship Point. Jump Off Joe Lake X Near Chewelah. Tributary of Columbia River. Mouth Kalama River X 2 miles downstream from Kalama. Navigable at mile 3.4. Tributary to Columbia River. Bonneville Pool Klickitat River X Backwater extends upstream to about mile 1. Located entirely within Olympic National Park. Lake Crescent X While not navigable, entire lake is “water subject to the jurisdiction of the U.S.” Lake River X Tributary of Columbia River (tidal at mile 3.3). Formed by Grand Coulee Dam. See Columbia Lake Roosevelt X River. Lake Union X Between Lake Washington and Puget Sound. Lake Washington X At Seattle. Lake Washington At Seattle. Joins Lake Washington with Puget X Ship Canal Sound at Shilshole Bay. Includes Lake Union. Latah Creek X Tributary of Spokane River. Tributary of Columbia River. Across Columbia Lewis River X River from Saint Helens, OR. Navigable to mile 7.7. Lewis River (East Tributary of Lewis River. Navigable to La X Fork) Center, mile 3. Flows into Hoquiam River near Hoquiam (tidal Little Hoquiam River X to mile 2). Little Pend Oreille Tributary to Colville River. Flows from Little X River Pend Oreille Lakes SW to Colville River. Side channel of Columbia River. 4 miles Martin Island Slough X upstream from Kalama. Flows into Nisqually Reach of Puget Sound McAllister Creek X (tidal at mile 3). McNary Reservoir X See Columbia River. Methow River X Near Winthrop. Methow River X Tributary of Columbia River at Pateros. Flows into Hammersley Inlet of Puget Sound Mill Creek X (tidal at mile 0.5). Tributary of Columbia River near Stella (tidal Mill Creek X to mile 0.8). Moses Lake X Formed by O’Sullivan Dam on Crab Creek. Mullen Slough X Tributary of Green River at Kent. Flows into Willapa Bay near Naselle. Navigable Naselle River X at mile 15.3.

Body of Water and Location Navigable Non-navigable REMARKS Nemah River (Middle Flows into Willapa Bay near Nemah (tidal at X Fork) confluence of South Nemah). Nemah River (North Flows into Willapa Bay near Nemah (tidal at X Fork) mile 1.5). Nemah River (South Tributary of Middle Nemah (tidal at bridge X Fork) above confluence with Middle Nemah). Flows into Nisqually Reach of Puget Sound Nisqually River X (tidal at Interstate 5 Freeway Bridge; mile 2.4). Nookachamps Creek X Tributary to Skagit River. Flows into Bellingham Bay near Bellingham. Nooksack River X Navigable to mile 26. North Creek X Tributary to Sammamish River. Flows into Willapa Bay near South Bend. North River X Navigable to falls 5 miles above mouth. Tributary to Columbia River near Brewster. Okanogan River X Navigable from mouth to McLaughlin Falls, about 50 miles above mouth near Riverside. Ollala Bay X Puget Sound. Palix, River X Flows into Willapa Bay near Bay Center (tidal). Palix River (Middle X Tributary of Palix River (tidal to mile 2). Fork) Palix River (North X Tributary of Palix River (tidal to mile 1.5). Fork) Palix River (South X Tributary of Palix River (tidal to mile 3.5). Fork) Mouth halfway between Lower Monumental Palouse River X Dam and Little Goose Dam. Palouse River (South X At North Grand Avenue bridge, Pullman. Fork) Navigable from the Canadian boundary at mile Pend Oreille River X 16 to Lake Pend Oreille. From Black Lake near Olympia to Capitol Lake Percival Creek X at Olympia. Pickering Passage X Puget Sound. Portage Slough See Ferndale Slough. Purdy Creek X Tributary of Skokomish River at mile 3.9. Flows into Commencement Bay of Puget Puyallup River X Sound at Tacoma (tidal at mile 3). Flows into Strait of Juan de Fuca near Sekiu Pysht River X (tidal to mile 2.5). Flows into Pacific Ocean near Queets (tidal to Queets River X mile 1). Tributary of Snohomish River (tidal at Quilceda Creek X mile 2.3).

Body of Water and Location Navigable Non-navigable REMARKS Flows into Pacific Ocean at La Push (tidal to Quillayute River X mile 2.5). Rock Creek X Backwater of Lake Umatilla to mile 1. Roosevelt, Lake X See Columbia River. Ross Lake (Upper X Navigable to Canadian Border. Skagit River) Salmon Creek X Tributary to Naselle River, Pacific County. Salmon Creek X Flows into Lake River at mile 9.5, Clark County. Flows into Samish Bay near Edison (tidal to Samish River X X about mile 7). Non-navigable at mile 8. Sammamish, Lake X Source of Sammamish River. Flows from Lake Sammamish to Lake Sammamish River X Washington near Seattle. Flows into Strait of Juan de Fuca near Sekiu Sekiu River X (tidal at mile 0.1). Flows into Skagit Bay near Stanwood. Skagit River Department of Agriculture has jurisdiction (including South X over parts of the Skagit River pursuant to the Fork) Wild and Scenic Rivers Act. Navigable to mile 80. Flows out of Skagit River at mile 9.5 near Skagit River (North X Mount Vernon into Skagit Bay. Navigable to Fork) mile 7. Tributary of Columbia River. Mouth at Skamokawa Creek X Skamokawa. Skamokawa Creek Tributary of Columbia River. Mouth at X (Left Fork) Skamokawa. Flows into Willapa River near South Bend Skidmore Slough X (tidal at mile 0.2). Flows into Hood Canal near Union (tidal to Skokomish River X mile 3). Navigable to Guffy Dam Site, ID, mile 450, Snake River X between Murphy and Melba, ID. Navigable throughout. Formed by confluence Snohomish River X of Skykomish and Snoqualmie Rivers near Monroe. Flows out of Snohomish River near mile 10 at Snohomish River Everett into Port Gardner. Mileage shown is X (Ebey Slough) from head to Burlington Northern Railway bridge near mouth (tidal). Flows out of Snohomish River near mile 6 at Snohomish River Everett into Port Gardner. Mileage shown X (Steamboat Slough) from head to Burlington Northern Railway bridge near mouth (tidal).

Body of Water and Location Navigable Non-navigable REMARKS Flows out of Snohomish River near mile 6 at Snohomish River Everett into Port Gardner. Mileage shown is X (Union Slough) from head to Burlington Northern Railway bridge near mouth (tidal). At point of confluence with Skykomish River, Snoqualmie River X forms the Snohomish River near Monroe. Navigable to at least mile 24.9. Considered navigable above mile 80.2 to Lake Spokane River X Coeur d’ Alene and below mile 29.1 to confluence with the Columbia River. Side channel of Columbia River. Mouth at Steamboat Slough X Skamokawa (tidal). Flows into Port Susan near Stanwood (tidal to Stillaguamish River X mile 11.5). Stillaguamish River Flows out of Stillaguamish River near mile 8 X (Hat Slough) from road to mouth in Port Susan (tidal). Stuck River X Tributary of Puyallup River. Sumas River X Flows through northern Whatcom County. Swinomish Slough X Connects Skagit Bay with Padilla Bay (tidal). (Channel) Tacoma Harbor X Puget Sound. Tacoma. Tapps, Lake X Pierce County. Tributary of Snoqualmie River. Not navigable Tolt River X at mile 0.6. Union River X Flows into Hood Canal at Belfair. Unnamed inlet tributary to Nisqually X Tidal. Reach at Tolmie State Park Unnamed inlet tributary to Pickering X Tidal. Passage, about 14 miles NE of Shelton Unnamed slough running in NW direction off its X Tidal. intersection with Johnson Slough near Raymond Flows into Baker Bay. Mouth 1 mile NE of Wallacut River X Ilwaco (tidal at mile 0.5). Tributary of Columbia River McNary Pool Walla Walla River X backwater extends to mile 15.8. Wanapum Reservoir X Columbia River.

Body of Water and Location Navigable Non-navigable REMARKS Tributary of Columbia River. 2 miles S of Welcome Slough X Cathlamet. Wenatchee River X Tributary to Columbia River. Whatcom, Lake X Near Bellingham. Whatcom Waterway X Near Bellingham (tidal). Tributary of Columbia River. Mouth 2 miles downstream from White Salmon. White Salmon River X Navigable to head of Bonneville Pool Backwater (See Drano Lake). Willapa Bay X Estuary of Pacific Ocean. Formed by confluence of North and South Willapa River X Forks at Raymond. Flows into Willapa Bay near South Bend (tidal). Willapa River (North At confluence with South Fork, forms Willapa X Fork) River at Raymond (tidal at mile 14.6). Willapa River (South At confluence with North Fork, forms Willapa X Fork) River at Raymond (tidal at mile 0.9). Tributary of Columbia River. Mouth Wind River X 4 miles upstream from Stevenson. Navigable to head of Bonneville Pool Backwater. Flows into Chehalis River at Aberdeen (tidal to Wishkah River X about 11 miles above mouth). Tributary of Columbia River near North Woodard Creek X Bonneville. Tributary of Columbia River. McNary Pool Yakima River X backwater extends upstream to mile 8.4.