BODY OF WATER & LOCATION NAV CG NON-NAV CG REMARKS yellow highlight = apply to USCG for permit up to RM stipulated Alsea Bay, OR X Estuary of Pacific Ocean. Alsea River, OR X Flows into Alsea Bay, Waldport, OR. Navigable to mile 13. Ash Creek, OR X Tributary of Willamette River at Independence, OR. Barrett Slough, OR X Tributary of Lewis and Clark River.

Bayou St. John, OR X Court decision, 1935 AMC 594, 10 Mile Lake, Coos County, OR. Bear Creek (Coos County), OR X Tributary of Coquille River (tidal at mile 0.5) Beaver Creek, OR X Tributary of Nestucca River. Beaver Slough, OR X See Clatskanie River. Big Creek (Lane County), OR X At U.S. 101 bridge (tidal). Big Creek (Lincoln County), OR X Flows into Pacific Ocean. Big Creek Slough, OR X Upstream end at Knappa, OR (tidal). At site of Birch Creek (Sparks) Bridge on Canyon Road near Birch Creek, OR X Pendleton, OR. Side channel of Yaquina River. 3 mi. downstream from Toledo, Blind Slough, OR X OR (tidal). Tributary of Knappa Slough. 10 mi. upstream from Astoria, OR Blind Slough/ Gnat Creek, OR X (tidal at mile 2.0).

Boone Slough, OR X Tributary of Yaquina River between Newport and Toledo, OR. Side channel of Willamette River. 3 miles upstream from Booneville Channel, OR X Corvallis, OR. Boulder Creek, OR X 7 miles N of Lake Quinalt. Side channel of Columbia River. 5 miles N of Clatskanie, OR Bradbury Slough, OR X (tidal). Brownlee Reservoir, ID /OR X See Snake River. Also known as South Channel. Side channel of Columbia River, Burnside Channel, OR X SE of Tongue Point (tidal). Tributary of Willamette River. Mouth at Albany, OR. Navigable Calapooya River, OR X to mile 0.3. Side channel of Columbia River. Upstream end 1 mile Calender Slough, OR X downstream from Knappa, OR (tidal). Tributary of Alsea River. Navigable from mouth to bridge at Canal Creek, OR X 0.06 mile. Tributary of Coos River. Mouth 2 miles E of Coos Bay, OR. Catching Slough, OR X Navigable to mile 6.0. Part of Columbia River, 3 miles upstream from Astoria, OR Cathlamet Bay, OR X (tidal). Chetco Cove, OR X Pacific Ocean Chetco River, OR X At Brookings, OR. Flows into Pacific Ocean. Clackamas River, OR X Tributary of Willamette River at Oregon City, OR. Navigable at Park Street Bridge, mile 1.6 at Clatskanie, OR Clatskanie River, OR X (tidal). Clifton Channel, OR X Side channel of Columbia River, at Clifton, OR (tidal). Coalbank Slough, OR X Tributary of Isthmus Slough at Coos Bay, OR (tidal). Colorado Lake, OR X Near Corvallis, OR. Columbia River, WA/OR X Navigable for entire distance in the United States. Tributary of Willamette River. CG considers navigable to Columbia Slough, OR X source. Coos Bay, OR X Estuary of Pacific Ocean. Coos River, OR X Flows into Coos Bay, OR (tidal). Navigable to mile 5.5. Coos River, South Fork, OR X Tributary of Coos River. Navigable to mile 9.5. Cooston Channel, OR X See Coos Bay.

Coquille River, OR X Flows into Pacific Ocean at Bandon, OR. (tidal at mile 36.3). Tributary of Coquille River. Enters at mile 36.3 (tidal at mile Coquille River (North Fork), OR X 0.2). Cozine Creek, OR X Tributary of South y Yamhill River. Crater Lake, OR X navigable, entire lake is “water subject to the jurisdiction of the Dairy Creek, OR X Tributary of Tualatin River. Dean Creek, OR X Tributary of Umpqua River (tidal at mile 0.01). Depoe Bay, OR X Cove of Pacific Ocean at Depoe Bay, OR.

Depoe Slough, OR X Tributary of Yaquina River at Toledo, OR (tidal at mile 0.05). Tributary to Columbia River. CG considers non-navigable at Deschutes River, OR X Sherars Bridge at mile 67.6. Detroit Reservoir, OR X North Santiam River. On Middle Fork of Willamette River, below Lookout Point Dexter Reservoir, OR X Reservoir. Side channel of Siuslaw River, 5 mi. upstream from Florence, Duncan Slough, OR X OR (Tidal). CG considers navigable to mile 19.0. Navigable at mile 4.8 near Port Orford, OR. Flows into Pacific Elk River, OR X Ocean. Eslick Creek, OR X Near Reedsport, OR (tidal). Ewauna, Lake, OR X See Klamath River.

Gales Creek, OR X Tributary of Tualatin River at mile 58.6 near Forest Grove, OR. Gardiner Channel, OR X Side channel of Umpqua River at Gardiner, OR (tidal). Side channel of Columbia River. Downstream end at Goble, OR Goble Channel, OR X (tidal). Columbia River side channel S of Government Island. Government Island Channel, OR X Downstream end at International Airport, Portland, OR. Grande Ronde River, OR X Tributary of Snake River. Non-navigable at mile 163.3. Tributary of Coos Bay. Mouth 2 miles N of North Bend, OR. Haynes Slough, OR X Navigable to mile 2.0. Tributary of Columbia River. Navigable to upper limit of Hood River, OR X Bonneville Pool Backwater. Tributary of Smith River. Mouth (Farey Creek) 3 miles Hudson Slough, OR X northwest of Reedsport, OR (tidal to about mile 1.0). Imnaha River, OR X Tributary of Snake River. Non-navigable at mile 29.4. Tributary of Coos Bay with mouth at Coos Bay, OR. Non- Isthmus Slough, OR X navigable at mile 9.0. Tributary of South Slough (Coos Bay). Mouth at Charleston, OR Joe Ney Slough, OR X (tidal). John Day River, OR X Tributary of Lower Columbia River, near Astoria, OR. Tributary of Columbia River near The Dalles, OR. Lake Umatilla John Day River, OR X backwater extends upstream for about 15 mi. Johnson Creek, OR X Tributary of Willamette River, near Gresham, OR.

Kentucky Slough, OR X Tributary of Coos Bay. Mouth opposite North Bend, OR (tidal). Kilchis River, OR X Tributary of Tillamook Bay (tidal at mile 1.0). Klamath River, OR X Non-navigable at bridge site Lake Ewauna. Side channel of Columbia River. Mouth 9 miles E of Astoria, OR Knappa Slough, OR X (tidal). Tributary to Haynes Slough near North Bend, OR. Navigable at Larson Slough, OR X mile 1.0. Lewis and Clark, OR X Navigable at the Oregon State Highway Bridge at mile 1.0. Little Creek, OR X Flows into Pacific Ocean near Newport, OR. Little Lake, OR X Little Schooner Creek, OR X Flows into Pacific Ocean near Newport, OR.

Long Tom River, OR X Tributary of Fern Ridge Reservoir, flows into Willamette River.

Lookout Point Reservoir, OR X Above Dexter Reservoir on Middle Fork of Willamette River. Lucky Gap Creek, OR X Flows into Pacific Ocean near Newport, OR. McClellan Creek, OR X Tributary of John Day River near Mount Vernon, OR. McFee, Creek, OR X Tributary of Tualatin River at mile 28.2. McIntosh Slough, OR X Tributary of Umpqua River at Reedsport, OR (tidal). McKenzie River, OR X Tributary of Willamette River. Navigable to mile 64.5. Tributary of Umpqua River near Scottsburg, OR (tidal to mile Mill Creek, OR X 1.0). Mill Creek, OR X Tributary of Willamette River. Mouth at Salem, OR. Tidal tributary of Coos Bay, lying within the limits of Mill Slough, OR X Marshfield, OR. Act of Congress, 33 U.S.C. 34. Millican Creek, OR X Tributary of Yamhill River near Lafayette, OR. Tributary of Coos River (tidal at mile 8.5 confluence of West Millicoma River, OR X and East Forks). Millicoma River (West Fork), OR X At mile 2.4 near Allegany, OR. Millport Slough, OR X Side channel of Siletz River (tidal). Molalla River, OR X Tributary of Willamette River. Navigable at mile 6.0. Tributary of Columbia River. Upstream end at Portland west Multnomah Channel, OR X city limits. Navigable at mile 21.0.

Neawanna River, OR. X Tributary of Necanicum River at Seaside, OR (tidal at mile 0.8). Tributary of the Neawanna River 600 feet upstream (southeast) of the Neawanna River’s confluence with Neacoxie Neawanna River (Unnamed Tributary), OR X Creek. Necanicum River, OR X Flows into Pacific Ocean at Seaside, OR (tidal at mile 2.0). Nehalem Bay, OR X Estuary of Pacific Ocean at Nehalem, OR. Tidal, to mile 7.3 at County Road Bridge. Flows into Nehalem Nehalem River, OR X Bay. Tributary of Nehalem River. Mouth 1.0 mile from Nehalem, OR Nehalem River (North Fork), OR X (tidal at mile 3.9). Nestucca Bay, OR X Estuary of Pacific Ocean 2 miles S of Pacific City, OR. Flows into Nestucca Bay near Pacific City, OR. Navigable to Nestucca River (Big), OR X Cloverdale, OR, mile 6.0. Flows into Nestucca Bay 2 miles SE of Pacific City, OR. Nestucca River (Little), OR X Navigable at mile 2.0.

Netarts Bay, OR X Estuary of Pacific Ocean at Netarts, OR. Navigable at mile 5.0. Tributary to Smith River near Reedsport, OR (tidal at County Noel Creek, OR X Road Bridge; mile 0.4). Tributary to Coos Bay. Mouth 2 miles N of North Bend, OR. North Slough, OR X Navigable to mile 3.0. Tributary to Tualatin River in Tualatin, OR. Not navigable at Nyberg Creek, OR X Nyberg Creek Bridge, Tualatin, OR. Ochoco Creek, OR X Tributary to Crooked River. “All of that portion of Ollala Slough in Lincoln County, Oregon, above a point where a line that is one hundred and twenty rods south and running east and west and parallel with the section line between sections 8 and 17 in township 11 south, range 10 west of the Willamette meridian, crosses said stream, is declared to be a non-navigable stream.” Act of Congress, 33 Ollala Slough, OR X U.S.C. 39.

Side Channel of Columbia River. 1 mile S of Vancouver, WA. Oregon Slough, OR (North Portland Harbor) X Also known as North Portland Harbor. Navigable to mile 4.5. Oswego Canal, OR X Links Lake Oswego with Tualatin River. Water Resources Development Act of 1976 declared non- navigable for 33 U.S.C. 404. Navigable for bridge permits and Oswego, Lake, OR X drawbridge operating regulations. Palouse Slough, OR X Tributary to Haynes Inlet of Coos Bay (tidal). Pelton Dam Reservoir (Lake Simtustus), OR X Deschutes River near Madras, OR. Pony Slough, OR X Tributary of Coos Bay at North Bend, OR (tidal). Poodle Creek, OR X Tributary of Elk Creek and Long Tom River. Port Orford, OR X Bay on Pacific Ocean at Port Orford, OR. Side channel of Columbia River. 3 miles east of Astoria, OR. Prairie Channel, OR X Navigable to mile 10.0. Pulaski Creek, OR X Tributary of Coquille River (tidal at mile 0.5). Randolph Slough, OR X Side channel of Coquille River. 4 miles NE of Bandon, OR. Flows into Pacific Ocean at Gold Beach, OR. OSMB per RBS Rogue River, OR X agreement. Salmon River, OR X Clackamas County, OR Sand Lake, OR X Tidal inlet of Pacific Ocean near Hebo, OR. Tributary of Willamette River. Mouth 23.0 miles upstream Santiam River, OR X from Salem, OR. Navigable to mile 9.0. Santiam River (North Fork), OR X Tributary to Santiam River. Santiam River (South Fork), OR X Tributary to Santiam River. Siletz Bay, OR X Estuary of Pacific Ocean at Taft, OR. Siletz River, OR X Flows into Siletz Bay at Dernville, OR. Simtustus, Lake, OR X Deschutes River. See Pelton Dam Reservoir. Flows into Pacific Ocean 5 mi. downstream from Florence, OR. Siuslaw River, OR X Navigable to mile 19.0. Tributary of Siuslaw River. Mouth 1.0 mile upstream from Siuslaw River (North Fork), OR X Florence, OR. Navigable to mile 2.0. Tributary of Lower Columbia River at Warrenton, OR (tidal at Skipanon River, OR X mile 4.5). Tributary of Umpqua River. Mouth is 1.0 mile N of Reedsport, Smith River, OR X OR. Non-navigable at mile 31.0. Department of Interior has jurisdiction within Hells Canyon National Park Dam area. Navigable to Guffy Dam Site, ID, mile Snake River, ID/OR/WA X 450.0, between Murphy and Melba, ID. Estuary of Lower Coos Bay. Mouth 1.0 mile N of Charleston, South Slough, OR X OR (tidal). Swan Island Lagoon, OR X Part of Willamette River in City of Portland, OR. Ten Mile Lake, OR. X Flows into Pacific Ocean near Lakeside, OR. Thornton, Lake, OR X Near Albany, OR. Tributary to Big Nestucca River. Not navigable at mile 5.4 near Three Rivers, OR X Hebo, OR. Flows into Tillamook Bay at Tillamook, OR. Non-navigable at Tillamook River, OR X mile 6.7. Tualatin River, OR X Tributary to Willamette River. Navigable to mile 56.8. Umatilla River, OR X Tributary of Columbia River at Umatilla, OR. Umatilla River, OR X Umatilla County. Navigable to I-5 bridge over South Fork at Roseburg, OR. South Umpqua River (incl. South Fork), OR X X Fork non-navigable at mile 119.85. Side channel of Columbia River. Upstream end 2 miles Walker Island Channel, OR X downstream of Rainier, OR (tidal). Side channel of Columbia River. Upstream end 3 miles N of Wallace Slough, OR X Clatskanine, OR (tidal). Wallowa River, OR X Tributary to Grande Ronde River. Tributary of Youngs River. Mouth 2 miles S of Astoria, OR (tidal Wallooskee River (Walluski River), OR X at mile 1.0). Warren Slough, OR X Side channel of Knappa Slough off Columbia River (tidal). Westport Slough, OR X Tributary of Columbia River at Westport, OR (tidal). Tributary of Columbia River at Portland, OR. OSMB above Willamette River, OR X Oregon City Falls per RBS agreement. Tributary of Coos Bay. Mouth opposite North Bend, OR (tidal Willanch Slough, OR X at mile 0.01). Winchester Bay, OR X Tributary of Umpqua River at Winchester Bay, OR.

Yachats River, OR X Flows into Pacific Ocean at Yachats, OR. Navigable at mile 0.5. Tributary of Willamette River approximately 25 miles SW of Yamhill River, OR X Portland, OR. Yamhill River (South Fork), OR X Non-navigable at mile 52.7 Yaquina Bay, OR X Estuary of Pacific Ocean at Newport, OR. Flows into Yaquina Bay. Mouth 3 miles SE of Newport, OR. Non- Yaquina River, OR X X navigable at mile 30.6, 39.1, and 42.2. Youngs Bay, OR X Estuary of Columbia River at Astoria, OR (tidal). Flows into Youngs Bay. Mouth at Astoria, OR. Navigable to Youngs River, OR X mile 10.0. BODY OF WATER & LOCATION NAV CG NON-NAV CG

Albeni Reservoir, ID X Alsea Bay, OR X Alsea River, OR X American Falls Reservoir, ID X Ash Creek, OR X

Bachelor Island Slough, WA X

Baker Bay, WA X Barrett Slough, OR X Bayou St. John, OR X Bear Creek (Coos County), OR X Bear Creek, WA X Bear Lake, ID/UT X

Bear River, WA X Beaver Creek, OR X Beaver Slough, OR X Big Beef Harbor, WA X Big Creek (Lane County), OR X Big Creek (Lincoln County), OR X Big Creek Slough, OR X Big Horn River, MT X Bingen Channel, WA X

Birch Creek, OR X

Birnie Slough, WA X

Blind Slough, OR X

Blind Slough/ Gnat Creek, OR X Blue Creek Bay, ID X Bogachiel River, WA X Boone Slough, OR X

Booneville Channel, OR X Boulder Creek, OR X

Bradbury Slough, OR X Brooks Slough, WA X Brownlee Reservoir, ID X Budd Inlet, WA X

Burke Slough, WA X Burnside Channel, OR X

Burnt Bridge Creek, WA X

Calapooya River, OR X

Calender Slough, OR X Callahan Creek, MT X

Canal Creek, OR X Canyon Ferry Reservoir, MT X

Capitol Lake, WA X Carr Inlet, WA X Carrol’s Channel, WA X Case Inlet, WA X

Catching Slough, OR X

Cathlamet Bay, OR X Cathlamet Channel, WA. X

Cedar River, WA X

Chambers Creek, WA X Charlton Channel, WA X Chatcolet Lake, ID X Chehalis River, WA X Chelan, Lake, WA X

Chelan River, WA X Chetco Cove, OR X Chetco River, OR X

Chinook River, WA X Clackamas River, OR X Clark Fork River, ID/MT X

Clatskanie River, OR X

Clearwater River, ID X Clearwater River, ID (North Fork) X Clifton Channel, OR X Coalbank Slough, OR X

Coalcreek Slough, WA X Coeur d’ Alene River, ID X Coeur d’ Alene Lake, ID Colorado Lake, OR X Columbia River, WA/OR X

Columbia River Reservoir, WA X

Columbia Slough, OR X Coos Bay, OR X Coos River, OR X Coos River, South Fork, OR X Cooston Channel, OR X Coquille River, OR X

Coquille River (North Fork), OR X

Coweeman River, WA X

Cowlitz River, WA X Cozine Creek, OR X

Crater Lake, OR X Dairy Creek, OR X Dean Creek, OR X

Deep River, WA X Dell Creek, WA X Depoe Bay, OR X Depoe Slough, OR X Deschutes Basin, WA

Deschutes River, WA X

Deschutes River, OR X Detroit Reservoir, OR X

Dexter Reservoir, OR X Diablo Lake, WA X

Dickey River, WA X Duck Creek, WA X

Duncan Slough, OR X Dungeness River, WA X Duwamish River, WA X Ebey Slough, WA X Edison Slough, WA X

Elk River, OR X

Elochoman River, WA X Elochoman Slough, WA X Elwell Creek, WA X Entiat River, WA X Eslick Creek, OR X Ewauna, Lake, OR X Falk Creek, WA X

Ferndale Slough, WA X

Fifth Street Waterway, WA X

Fisher Island Slough (Fisher) X Flathead Lake, MT X

Flathead River, MT X Fort Peck Reservoir, MT X Franklin D. Roosevelt, Lake, WA X Gales Creek, OR X Gardiner Channel, OR X Germany Creek, WA X

Goble Channel, OR X

Government Island Channel, OR X Governors Lake, WA X Grande Ronde River, OR X

Grays Harbor, WA X

Grays River, WA X Green Lake, WA X Green River, WA X Hama Hama River, WA X

Hamilton Creek, WA X

Hat Slough, WA X Hauser Dam Reservoir, MT X

Haynes Slough, OR X Hidden Lake, ID X

Hoh River, WA X

Hoko River, WA X Hood Canal, WA X

Hood River, OR X

Hoquiam River, WA X

Hoquiam River (East Fork), WA X Horse Shoe Lake, WA X Horse Thief Lake, WA X

Hudson Slough, OR X Humptulips River, WA X Imnaha River, OR X

Isthmus Slough, OR X

Joe Ney Slough, OR X John Day River, OR X

John Day River, OR X

Johns River, WA X Johnson Creek, WA X Johnson Creek, OR X Jump Off Joe Lake, WA X

Kalama River, WA X

Kentucky Slough, OR X Kilchis River, OR X Klamath River, OR X

Klickitat River, WA X

Knappa Slough, OR X Kootenai River, ID/MT X Lake Koocanusa, MT X

Lake Coeur d’ Alene, ID X Lake Creek, MT X

Lake Crescent, WA X

Lake Pend Oreille, ID X Lake River, WA X Lake Roosevelt, WA X Lake Union, WA X Lake Washington, WA X

Lake Washington Ship Canal, WA X

Larson Slough, OR X Latah Creek, WA X Latour Creek, ID X

Lewis River, WA X Lewis River (East Fork), WA X Lewis and Clark, OR X Little Creek, OR X Little Lake, OR X

Little Hoquiam River, WA X

Little Pend Oreille River, WA X Little Schooner Creek, OR X Long Tom River, OR X Lookout Point Reservoir, OR X Lucky Gap Creek, OR X

Martin Island Slough, WA X McAllister Creek, WA X McClellan Creek, OR X McDonald Lake, MT X McFee, Creek, OR X McIntosh Slough, OR X McKenzie, OR X McNary Reservoir, WA X Methow River, WA X Methow River, WA X

Mill Creek, OR X Mill Creek, OR X

Mill Creek, WA X Mill Creek, WA X

Mill Slough, OR X Millican Creek, OR X

Millicoma River, OR X Millicoma River (West Fork), OR X Millport Slough, OR X

Missouri River, MT X Molalla River, OR X Moses Lake, WA X

Moyie River, ID X Mullen Slough, WA X

Multnomah Channel, OR X

Naselle River, WA X Neawanna River, OR. X

Neawanna River (Unnamed Tributary), OR X Necanicum River, OR X Nehalem Bay, OR X

Nehalem River, OR X

Nehalem River (North Fork), OR X

Nemah River (Middle Fork), WA X Nemah River (North Fork), WA X

Nemah River (South Fork), WA X Nestucca Bay, OR X

Nestucca River (Big), OR X Nestucca River (Little), OR X Netarts Bay, OR X

Nisqually River, WA X

Noel Creek, OR X Nookachamps Creek, WA X

Nooksack River, WA X North Creek, WA X

North River, WA X

North Slough, OR X

Nyberg Creek, OR X Ochoco Creek, OR X

Okanogan River, WA X Ollala Bay, WA X

Ollala Slough, OR X

Oregon Slough, OR (North Portland Harbo X Oswego Canal, OR X

Oswego, Lake, OR X Pack River, ID X Palix, River, WA X Palix River (Middle Fork), WA X Palix River (North Fork), WA X Palix River (South Fork), WA X

Palouse River, WA X Palouse River (South Fork), WA X Palouse Slough, OR X Payette Lake, ID X Payette River, ID X Payette River (North Fork), ID X Pelton Dam Reservoir (Lake Simtustus), O X

Pend Oreille River, WA/ID X Percival Creek, WA X Pickering Passage, WA X Pony Slough, OR X Poodle Creek, OR X Port Orford, OR X Portage Slough

Prairie Channel, OR X Priest Lake, ID X

Priest River, ID X Pulaski Creek, OR X Purdy Creek, WA X

Puyallup River, WA X

Pysht River, WA X Queets River, WA X Quilceda Creek, WA X Quillayute River, WA X Randolph Slough, OR X Rock Creek, WA X

Rogue River, OR X Roosevelt, Lake, WA X Ross Lake (Upper Skagit River), WA X Round Lake, ID X

St. Joe River, ID X St. Maries River, ID X St. Mary’s River and Lake, MT X St. Regis River, MT X Salmon Creek, WA X Salmon Creek, WA X

Salmon River, ID X Salmon River (Middle Fork), ID X Salmon River, OR X

Samish River, WA X X Sammamish, Lake, WA X

Sammamish River, WA X Sand Creek, ID X Sand Lake, OR X

Santiam River, OR X Santiam River (North Fork), OR X Santiam River (South Fork), OR X

Sekiu River, WA X Sewell, Lake, MT X Siletz Bay, OR X Siletz River, OR X Simtustus, Lake, OR X

Siuslaw River, OR X

Siuslaw River (North Fork), OR X

Skagit River (incl. South Fork), WA X

Skagit River (North Fork), WA X Skamokawa Creek, WA X Skamokawa Creek (Left Fork), WA X

Skidmore Slough, WA X

Skipanon River, OR X Skokomish River, WA X

Smith River, OR X

Snake River, ID/OR/WA X

Snohomish River, WA X

Snohomish River (Ebey Slough), WA X

Snohomish River (Steamboat Slough), WA X

Snohomish River (Union Slough), WA X Snoqualmie River, WA X

South Slough, OR X

Spokane River, WA X Squaw Creek, ID X

Steamboat Slough, WA X Stillaguamish River, WA X

Stillaguamish River (Hat Slough), WA X Stillwater River, MT X Stuck River, WA X Sumas River, WA X Swan Island Lagoon, OR X Swinomish Slough (Channel), WA X Tacoma Harbor, WA X Tapps, Lake, WA X Ten Mile Lake, OR. X Teton River, ID X Thornton, Lake, OR X

Three Rivers, OR X Tiber Reservoir, MT X

Tillamook River, OR X Tolt River, WA X Tongue River, MT X Tualatin River, OR X Umatilla River, OR X Umatilla River, OR X

Umpqua River (incl. South Fork), OR X X Union River, WA X Unnamed inlet tributary to Nisqually Reac X Unnamed inlet tributary to Pickering Pass X Unnamed slough running in NW direction X

Walker Island Channel, OR X

Wallace Slough, OR X

Wallacut River, WA X

Walla Walla River, WA X Wallowa River, OR X

Wallooskee River (Walluski River), OR X Wanapum Reservoir, WA X Warren Slough, OR X Welcome Slough, WA X Wenatchee River, WA X Westport Slough, OR X Whatcom, Lake, WA X Whatcom Waterway, WA X

White Salmon River, WA X Willapa Bay, WA X

Willamette River, OR X

Willanch Slough, OR X

Willapa River, WA X

Willapa River (North Fork), WA X

Willapa River (South Fork), WA X Winchester Bay, OR X

Wind River, WA X

Wishkah River, WA X Woodard Creek, WA X Yachats River, OR X

Yakima River, WA X

Yamhill River, OR X Yamhill River (South Fork), OR X Yaquina Bay, OR X

Yaquina River, OR X X Yellowstone River, MT X Yellowtail Reservoir, MT X Youngs Bay, OR X

Youngs River, OR X REMARKS

See Pend Oreille Lake. Estuary of Pacific Ocean. Flows into Alsea Bay, Waldport, OR. Navigable to mile 13. Snake River. Tributary of Willamette River at Independence, OR. Side channel of Columbia River. Mouth 14 miles S of Vancouver, WA (tidal). Part of Columbia Estuary. Chinook to Ilwaco, WA (including West Channel). Tributary of Lewis and Clark River. Court decision, 1935 AMC 594, 10 Mile Lake, Coos County, OR. Tributary of Coquille River (tidal at mile 0.5) At mile 0.8. Court decision Utah v. U.S., 403 U.S. 9, (1971). Flows into Willapa Bay. Navigable to head of tidewater, approximately 4 mi. above mouth. Tributary of Nestucca River. See Clatskanie River. (Hood Canal) Navigable to mouth of Big Beef Creek (tidal). At U.S. 101 bridge (tidal). Flows into Pacific Ocean. Upstream end at Knappa, OR (tidal). Navigable in its entirety (includes Yellowtail Reservoir). Columbia River, Bonneville Pool Backwater. At site of Birch Creek (Sparks) Bridge on Canyon Road near Pendleton, OR. Side channel of Columbia River. 1 mile S of Cathlamet, WA on Puget Island (tidal). Side channel of Yaquina River. 3 mi. downstream from Toledo, OR (tidal). Tributary of Knappa Slough. 10 mi. upstream from Astoria, OR (tidal at mile 2.0). See Lake Coeur d’ Alene, ID. Tributary of Quillayute River. Tributary of Yaquina River between Newport and Toledo, OR. Side channel of Willamette River. 3 miles upstream from Corvallis, OR. 7 miles N of Lake Quinalt.

Side channel of Columbia River. 5 miles N of Clatskanie, OR (tidal). Tributary of Skamokawa Creek. Mouth at Skamokawa, WA. See Snake River. Puget Sound. Near Olympia, WA. Side channel of Columbia River. Mouth 5 miles upstream from Kalama, WA (tidal). Also known as South Channel. Side channel of Columbia River, SE of Tongue Point (tidal). Southwestern Clark County; originates Mill Plains area, 7.0 miles to Vancouver Lake. Tributary of Willamette River. Mouth at Albany, OR. Navigable to mile 0.3. Side channel of Columbia River. Upstream end 1 mile downstream from Knappa, OR (tidal). Tributary of Kootenai River. Tributary of Alsea River. Navigable from mouth to bridge at 0.06 mile. See Missouri River.

Near Olympia, WA. Formed by dam at mouth of Deschutes River. Puget Sound. Pierce County, WA. Side channel of Columbia River near Longview, WA (tidal). Puget Sound. Mason County, WA. Tributary of Coos River. Mouth 2 miles E of Coos Bay, OR. Navigable to mile 6.0.

Part of Columbia River, 3 miles upstream from Astoria, OR (tidal). Side channel of Columbia River at Cathlamet, WA (tidal).

Flows into Lake Washington at Renton, WA. Navigable to mile 1.3. Flows into Puget Sound near Steilacoom, WA. See Steliacoom Waterway. Navigable to mile 4.0. Lake Coeur d’ Alene on St. Joe River, ID. Flows into Grays Harbor. Navigable to mile 68.0. Only outlet is Chelan River. Tributary of Columbia River. Navigable at mile 0.05 (Columbia River backwater). Pacific Ocean At Brookings, OR. Flows into Pacific Ocean. Flows into Baker Bay. Mouth 3 miles E of Ilwaco, WA (tidal). Navigable to mile 0.6. Tributary of Willamette River at Oregon City, OR. Flows into Lake Pend Oreille. Navigable to mile 4.0.

Navigable at Park Street Bridge, mile 1.6 at Clatskanie, OR (tidal). Tributary of Snake River entering at Lewiston, ID. Navigable to mile 40.0 and at mile 44.6 Navigable to upstream limit Dworsak Reservoir backwater. Side channel of Columbia River, at Clifton, OR (tidal). Tributary of Isthmus Slough at Coos Bay, OR (tidal). Tributary of Columbia River, mouth 10 miles downstream from Longview, WA. Near Rose Lake, ID. See Lake Coeur d’ Alene. Near Corvallis, OR. Navigable for entire distance in the United States.

From Grand Coulee Dam to Canadian border (see Lake Roosevelt).

Tributary of Willamette River. CG considers navigable to source. Estuary of Pacific Ocean. Flows into Coos Bay, OR (tidal). Navigable to mile 5.5. Tributary of Coos River. Navigable to mile 9.5. See Coos Bay. Flows into Pacific Ocean at Bandon, OR. (tidal at mile 36.3).

Tributary of Coquille River. Enters at mile 36.3 (tidal at mile 0.2). Tributary of Cowlitz River. Mouth at Longview, WA. Navigable at mile 4.0. Tributary of Columbia River. Mouth at Longview, WA. Navigable to mile 34.0. Tributary of South Yamhill River. Located entirely within Crater Lake National Park. While not navigable, entire lake is “water subject to the jurisdiction of the U.S.” Tributary of Tualatin River. Tributary of Umpqua River (tidal at mile 0.01). Tributary of Columbia River. Mouth 7 mi. NE of Astoria, OR (tidal). Navigable to mile 5.0. Tributary of Naselle River near Naselle, WA. Cove of Pacific Ocean at Depoe Bay, OR. Tributary of Yaquina River at Toledo, OR (tidal at mile 0.05). See Capitol Lake. Flows into Capitol Lake at Olympia, WA. CG considers non- navigable at mile 11.0. Tributary to Columbia River. CG considers non-navigable at Sherars Bridge at mile 67.6. North Santiam River. On Middle Fork of Willamette River, below Lookout Point Reservoir. Skagit River. Flows into Quillayute River near La Push, WA. Navigable to head of tidewater 1 mile above mouth. Tributary of Elochman River. Side channel of Siuslaw River, 5 mi. upstream from Florence, OR (Tidal). CG considers navigable to mile 19.0. Flows into Strait of Juan de Fuca at Dungeness. River mouth is considered the head of West Waterway, Seattle Harbor, about 0.3 miles downstream of the Spokane Street Bridge. The head of navigation is the mouth of Black 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 Everett, WA. Flows into Samish Bay (tidal). Navigable at mile 4.8 near Port Orford, OR. Flows into Pacific Ocean. Tributary of Columbia River. Flows into Elochoman Slough (tidal at mile 3.0). Side channel of Columbia River at Cathlamet, WA (tidal). Tributary of Skyomish River. Tributary of Columbia River. Near Reedsport, OR (tidal). See Klamath River. Tributary of Skamokawa Creek. Side channel of Nooksack River (tidal). Also known as Portage Slough. Navigable at bridge over 5th Street Waterway at Steilacoom, WA (tidal). Side channel of Columbia River at Island Channel, WA. Downstream end 6 miles downstream from Longview, WA (tidal). Navigable to mile 2.0. Near Kalispell, MT. At mile 129.2 near Kalispell, MT. No decision made as to waters adjacent to Canadian border. Missouri River. See Columbia River. Tributary of Tualatin River at mile 58.6 near Forest Grove, OR. Side channel of Umpqua River at Gardiner, OR (tidal). Tidal at SR-4 bridge. Side channel of Columbia River. Downstream end at Goble, OR (tidal). Columbia River side channel S of Government Island. Downstream end at International Airport, Portland, OR. See Capitol Lake. Tributary of Snake River. Non-navigable at mile 163.3. At Aberdeen, WA (tidal) from U.P.P.R. Bridge at Aberdeen to seaward end of bar channel, including all bays and sloughs to the elevation of mean high water. Tributary of Lower Columbia River. Mouth 7 miles NE of Astoria, OR (tidal at town of Grays River, mile 8.0). Seattle, WA. Becomes Duwamish River at mouth of Black River (head of tidewater), mile 11.0. Navigable to mile 23.0 at Kent, WA. Non- navigable upstream of State Highway 516 Bridge in existence on October 26, 1981. Act of Congress, 33 U.S.C. 59s. Flows into Hood Canal near Eldon, WA (tidal to mile 1.0). Tributary of Columbia River. Navigable to limit of Columbia River backwater elevation of 28.5 MSL. Flows out of Stillaguamish River near mile 8.0. Mileage shown is from head to mouth in Port Susan (tidal). Missouri River. Tributary of Coos Bay. Mouth 2 miles N of North Bend, OR. Navigable to mile 2.0. See Lake Coeur d’ Alene.

Flows into Pacific Ocean near Forks, WA (tidal to about mile 1.0). Flows into Strait of Juan de Fuca near Sekiu, WA (tidal to about mile 1.0). Near Port Gamble, WA. Tributary of Columbia River. Navigable to upper limit of Bonneville Pool Backwater. Flows into Grays Harbor at Hoquiam, WA (tidal to about mile 7.0). Navigable to mile 8.0. Flows into Hoquiam River at Hoquiam, WA (tidal to about mile 6.5). Old channel of Lewis River at Woodland, WA. Klickitat County. Tributary of Smith River. Mouth (Farey Creek) 3 miles northwest of Reedsport, OR (tidal to about mile 1.0). Flows into Grays Harbor near Hoquiam, WA (tidal at mile 1.0). Tributary of Snake River. Non-navigable at mile 29.4. Tributary of Coos Bay with mouth at Coos Bay, OR. Non-navigable at mile 9.0. Tributary of South Slough (Coos Bay). Mouth at Charleston, OR (tidal). Tributary of Lower Columbia River, near Astoria, OR. Tributary of Columbia River near The Dalles, OR. Lake Umatilla backwater extends upstream for about 15 mi. Flows into Grays Harbor near Markham, WA (tidal). Navigable to mile 4.0. Flows into Sequim Bay at Pitship Point. Tributary of Willamette River, near Gresham, OR. Near Chewelah, WA. Tributary of Columbia River. Mouth 2 miles downstream from Kalama, WA. Navigable at mile 3.4

Tributary of Coos Bay. Mouth opposite North Bend, OR (tidal). Tributary of Tillamook Bay (tidal at mile 1.0). Non-navigable at bridge site Lake Ewauna. Tributary to Columbia River. Bonneville Pool Backwater extends upstram to about mile 1.0. Side channel of Columbia River. Mouth 9 miles E of Astoria, OR (tidal). Navigable for entire distance within the United States. Libby Dam on Kootenai River. Water Resources Development Act of 1976. Lake is non-navigable for purposes of 33 U.S.C. 403. Navigable for drawbridge operating regulations and bridge permits. Tributary of Kootenai River near Troy, MT. Located entirely within Olympic National Park. While not navigable, entire lake is “water subject to the jurisdiction of the U.S.” Navigable, together with all its bays and tributary sloughs, to water elevation 2,062.5 feet. Tributary of Columbia River (tidal at mile 3.3). Formed by Grand Coulee Dam. See Columbia River. Between Lake Washington and Puget Sound. At Seattle, WA. At Seattle, WA. Joins Lake Washington with Puget Sound at Shilshole Bay. Includes Lake Union. Tributary to Haynes Slough near North Bend, OR. Navigable at mile 1.0. Tributary of Spokane River. Tributary of Coeur d’ Alene River. Tributary of Columbia River. Across Columbia River from St. Helens, OR. Navigable to mile 7.7. Tributary of Lewis River. Navigable to La Center, WA, mile 3.0. Navigable at the Oregon State Highway Bridge at mile 1.0. Flows into Pacific Ocean near Newport, OR.

Flows into Hoquiam River near Hoquiam, WA (tidal to mile 2.0). Tributary to Colville River. Flows from Little Pend Oreille Lakes SW to Colville River. Flows into Pacific Ocean near Newport, OR. Tributary of Fern Ridge Reservoir, flows into Willamette River. Above Dexter Reservoir on Middle Fork of Willamette River. Flows into Pacific Ocean near Newport, OR. Side channel of Columbia River. 4 miles upstream from Kalama, WA. Flows into Nisqually Reach of Puget Sound (tidal at mile 3.0). Tributary of John Day River near Mount Vernon, OR. In Glacier National Park. Tributary of Tualatin River at mile 28.2. Tributary of Umpqua River at Reedsport, OR (tidal). Tributary of Willamette River. Navigable to mile 64.5. See Columbia River. Near Winthrop, WA. Tributary of Columbia River at Pateros, WA.

Tributary of Umpqua River near Scottsburg, OR (tidal to mile 1.0). Tributary of Willamette River. Mouth at Salem, OR.

Flows into Hammersley Inlet of Puget Sound (tidal at mile 0.5). Tributary of Columbia River near Stella, WA (tidal to mile 0.8). Tidal tributary of Coos Bay, lying within the limits of Marshfield, OR. Act of Congress, 33 U.S.C. 34. Tributary of Yamhill River near Lafayette, OR. Tributary of Coos River (tidal at mile 8.5 confluence of West and East Forks). At mile 2.4 near Allegany, OR. Side channel of Siletz River (tidal).

Navigable to a point 263.0 miles upriver from Fort Benton, MT. Tributary of Willamette River. Navigable at mile 6.0. Formed by O’Sullivan Dam on Crab Creek. Navigable from Canadian border to confluence with Kootenai River. Tributary of Green River at Kent, WA. Tributary of Columbia River. Upstream end at Portland west city limits. Navigable at mile 21.0.

Flows into Willapa Bay near Naselle, WA. Navigable at mile 15.3. Tributary of Necanicum River at Seaside, OR (tidal at mile 0.8).

Tributary of the Neawanna River 600 feet upstream (southeast) of the Neawanna River’s confluence with Neacoxie Creek. Flows into Pacific Ocean at Seaside, OR (tidal at mile 2.0). Estuary of Pacific Ocean at Nehalem, OR.

Tidal, to mile 7.3 at County Road Bridge. Flows into Nehalem Bay. Tributary of Nehalem River. Mouth 1.0 mile from Nehalem, OR (tidal at mile 3.9). Flows into Willapa Bay near Nemah, WA (tidal at confluence of South Nemah). Flows into Willapa Bay near Nemah, WA (tidal at mile 1.5). Tributary of Middle Nemah (tidal at bridge above confluence with Middle Nemah). Estuary of Pacific Ocean 2 miles S of Pacific City, OR. Flows into Nestucca Bay near Pacific City, OR. Navigable to Cloverdale, OR, mile 6.0. Flows into Nestucca Bay 2 miles SE of Pacific City, OR. Navigable at mile 2.0. Estuary of Pacific Ocean at Netarts, OR. Navigable at mile 5.0. Flows into Nisqually Reach of Puget Sound (tidal at I-5 Freeway Bridge; mile 2.4). Tributary to Smith River near Reedsport, OR (tidal at County Road Bridge; mile 0.4). Tributary to Skagit River. Flows into Bellingham Bay near Bellingham, WA. Navigable to mile 26.0. Tributary to Sammamish River. Flows into Willapa Bay near South Bend, WA. Navigable to falls 5 miles above mouth. Tributary to Coos Bay. Mouth 2 miles N of North Bend, OR. Navigable to mile 3.0. Tributary to Tualatin River in Tualatin, OR. Not navigable at Nyberg Creek Bridge, Tualatin, OR. Tributary to Crooked River. Tributary to Columbia River near Brewster, WA. Navigable from mouth to McLaughlin Falls, approximately 50 miles above mouth near Riverside, WA. Puget Sound.

“All of that portion of Ollala Slough in Lincoln County, Oregon, above a point where a line that is one hundred and twenty rods south and running east and west and parallel with the section line between sections 8 and 17 in township 11 south, range 10 west of the Willamette meridian, crosses said stream, is declared to be a non-navigable stream.” Act of Congress, 33 U.S.C. 39. Side Channel of Columbia River. 1 mile S of Vancouver, WA. Also known as North Portland Harbor. Navigable to mile 4.5. Links Lake Oswego with Tualatin River. Water Resources Development Act of 1976 declared non- navigable for 33 U.S.C. 404. Navigable for bridge permits and drawbridge operating regulations. Flows into Lake Pend Oreille. Flows into Willapa Bay near Bay Center, WA (tidal). Tributary of Palix River (tidal to mile 2.0). Tributary of Palix River (tidal to mile 1.5). Tributary of Palix River (tidal to mile 3.5). Mouth halfway between Lower Monumental Dam, and Little Goose Dam. At North Grand Avenue bridge, Pullman, WA. Tributary to Haynes Inlet of Coos Bay (tidal). Headwater of Payette River. Tributary of Snake River. Tributary of Payette River. Non-navigable at mile 2.8. Deschutes River near Madras, OR. Navigable from the Canadian boundary at mile 16 to Lake Pend Oreille. From Black Lake near Olympia to Capitol Lake at Olympia. Puget Sound. Tributary of Coos Bay at North Bend, OR (tidal). Tributary of Elk Creek and Long Tom River. Bay on Pacific Ocean at Port Orford, OR. See Ferndale Slough. Side channel of Columbia River. 3 miles east of Astoria, OR. Navigable to mile 10.0. Headwater of Priest River. Tributary to Pend Oreille River. Navigable from mouth to Priest Lake. Tributary of Coquille River (tidal at mile 0.5). Tributary of Skokomish River at mile 3.9. Flows into Commencement Bay of Puget Sound at Tacoma, WA (tidal at mile 3.0).

Flows into Strait of Juan de Fuca near Sekiu, WA (tidal to mile 2.5). Flows into Pacific Ocean near Queets, WA (tidal to mile 1.0). Tributary of Snohomish River (tidal at mile 2.3). Flows into Pacific Ocean at La Push, WA (tidal to mile 2.5). Side channel of Coquille River. 4 miles NE of Bandon, OR. Backwater of Lake Umatilla to mile 1.0. Flows into Pacific Ocean at Gold Beach, OR. OSMB per RBS agreement. See Columbia River. Navigable to Canadian Border. See Lake Coeur d’ Alene, ID. Tributary of Lake Coeur d’ Alene. Navigable from Lake Coeur d’ Alene to Hwy. bridge 0.75 mi. E of St. Joe, ID for bridge permits and drawbridge operating regulations. Tributary of Lake Coeur d’ Alene. Crosses Canadian border near St. Mary, MT. Tributary to Clark Fork River. Tributary to Naselle River, Pacific County. Flows into Lake River at mile 9.5, Clark County. Tributary to Snake River. Navigable from its mouth to Salmon City, ID. Tributary to Salmon River. Clackamas County, OR Flows into Samish Bay near Edison, WA (tidal to about mile 7.0). Non-navigable at mile 8.0. Source of Sammamish River. Flows from Lake Sammamish to Lake Washington near Seattle, WA. Tributary to Pend Oreille River. Lake Pend Oreille backwater to mile 2.0. Tidal inlet of Pacific Ocean near Hebo, OR. Tributary of Willamette River. Mouth 23.0 miles upstream from Salem, OR. Navigable to mile 9.0. Tributary to Santiam River. Tributary to Santiam River.

Flows into Strait of Juan de Fuca near Sekiu, WA (tidal at mile 0.1). Canyon Ferry Dam, Missouri River. Estuary of Pacific Ocean at Taft, OR. Flows into Siletz Bay at Dernville, OR. Deschutes River. See Pelton Dam Reservoir. Flows into Pacific Ocean 5 mi. downstream from Florence, OR. Navigable to mile 19.0. Tributary of Siuslaw River. Mouth 1.0 mile upstream from Florence, OR. Navigable to mile 2.0.

Flows into Skagit Bay near Stanwood, WA. Department of Agriculture now has jurisdiction over parts of the Skagit River pursuant to the Wild and Scenic Rivers Act. Navigable to mile 80.0. Flows out of Skagit River at mile 9.5 near Mount Vernon, WA into Skagit Bay. Navigable to mile 7.0. Tributary of Columbia River. Mouth at Skamokawa, WA. Tributary of Columbia River. Mouth at Skamokawa, WA.

Flows into Willapa River near South Bend, WA (tidal at mile 0.2). Tributary of Lower Columbia River at Warrenton, OR (tidal at mile 4.5). Flows into Hood Canal near Union, WA (tidal to mile 3.0). Tributary of Umpqua River. Mouth is 1.0 mile N of Reedsport, OR. Non-navigable at mile 31.0. Department of Interior has jurisdiction within Hells Canyon National Park Dam area. Navigable to Guffy Dam Site, ID, mile 450.0, between Murphy and Melba, ID. Navigable throughout. Formed by confluence of Skykomish and Snoqualmie Rivers near Monroe, WA. Flows out of Snohomish River near mile 10.0 at Everett into Port Gardner. Mileage shown is from head to Burlington Northern Railway bridge near mouth (tidal). Flows out of Snohomish River near mile 6 at Everett into Port Gardner. Mileage shown from head to Burlington Northern Railway bridge near mouth (tidal). Flows out of Snohomish River near mile 6.0 at Everett into Port Gardner. Mileage shown is from head to Burlington Northern Railway bridge near mouth (tidal). At point of confluence with Skykomish River, forms the Snohomish River near Monroe, WA. Navigable to at least mile 24.9. Estuary of Lower Coos Bay. Mouth 1.0 mile N of Charleston, OR (tidal). Considered navigable above mile 80.2 to Lake Coeur d’ Alene and below mile 29.1 to confluence with the Columbia River. Tributary to Payette River at mile 43.8.

Side channel of Columbia River. Mouth at Skamokawa, WA (tidal). Flows into Port Susan near Stanwood, WA (tidal to mile 11.5). Flows out of Stillaguamish River near mile 8.0 from road to mouth in Port Susan (tidal). At Kalispell, MT. Tributary of Puyallup River. Flows through northern Whatcom County. Part of Willamette River in City of Portland, OR. Connects Skagit Bay with Padilla Bay (tidal). Puget Sound. Tacoma, WA. Pierce County. Flows into Pacific Ocean near Lakeside, OR. Tributary to Snake River. Near Albany, OR. Tributary to Big Nestucca River. Not navigable at mile 5.4 near Hebo, OR. On Marias River. Flows into Tillamook Bay at Tillamook, OR. Non-navigable at mile 6.7. Tributary of Snoqualmie River. Not navigable at mile 0.6. Tributary of Yellowstone River. Tributary to Willamette River. Navigable to mile 56.8. Tributary of Columbia River at Umatilla, OR. Umatilla County. Navigable to I-5 bridge over South Fork at Roseburg, OR. South Fork non-navigable at mile 119.85. Flows into Hood Canal at Belfair, WA. Tidal. Tidal. Tidal. Side channel of Columbia River. Upstream end 2 miles downstream of Rainier, OR (tidal). Side channel of Columbia River. Upstream end 3 miles N of Clatskanine, OR (tidal). Flows into Baker Bay. Mouth 1.0 mile NE of Ilwaco, WA (tidal at mile 0.5). Tributary of Columbia River McNary Pool backwater extends to mile 15.8. Tributary to Grande Ronde River. Tributary of Youngs River. Mouth 2 miles S of Astoria, OR (tidal at mile 1.0). Columbia River. Side channel of Knappa Slough off Columbia River (tidal). Tributary of Columbia River. 2 miles S of Cathlamet, WA. Tributary to Columbia River. Tributary of Columbia River at Westport, OR (tidal). Near Bellingham, WA. Near Bellingham, WA (tidal). Tributary of Columbia River. Mouth 2 miles downstream from White Salmon, WA. Navigable to head of Bonneville Pool Backwater (See Drano Lake). Estuary of Pacific Ocean. Tributary of Columbia River at Portland, OR. OSMB above Oregon City Falls per RBS agreement. Tributary of Coos Bay. Mouth opposite North Bend, OR (tidal at mile 0.01). Formed by confluence of North and South Forks at Raymond, WA. Flows into Willapa Bay near South Bend, WA (tidal). At confluence with South Fork, forms Willapa River at Raymond, WA (tidal at mile 14.6). At confluence with North Fork, forms Willapa River at Raymond, WA (tidal at mile 0.9). Tributary of Umpqua River at Winchester Bay, OR.

Tributary of Columbia River. Mouth 4 miles upstream from Stevenson, WA. Navigable to head of Bonneville Pool Backwater. Flows into Chehalis River at Aberdeen, WA (tidal to approximately 11 miles above mouth). Tributary of Columbia River near North Bonneville, WA. Flows into Pacific Ocean at Yachats, OR. Navigable at mile 0.5. Tributary of Columbia River. McNary Pool backwater extends upstream to mile 8.4. Tributary of Willamette River approximately 25 miles SW of Portland, OR. Non-navigable at mile 52.7 Estuary of Pacific Ocean at Newport, OR. Flows into Yaquina Bay. Mouth 3 miles SE of Newport, OR. Non- navigable at mile 30.6, 39.1, and 42.2. Navigable from mouth at Missouri River to Intake, MT. See Big Horn River. Estuary of Columbia River at Astoria, OR (tidal). Flows into Youngs Bay. Mouth at Astoria, OR. Navigable to mile 10.0. BODY OF WATER & LOCATION NAV CG NON-NAV CG

Bachelor Island Slough, WA X

Baker Bay, WA X Bear Creek, WA X

Bear River, WA X Big Beef Harbor, WA X Big Creek Slough, OR X Bingen Channel, WA X

Birnie Slough, WA X Bogachiel River, WA X Brooks Slough, WA X Budd Inlet, WA X

Burke Slough, WA X

Burnt Bridge Creek, WA X

Capitol Lake, WA X Carr Inlet, WA X Carrol’s Channel, WA X Case Inlet, WA X Cathlamet Channel, WA. X

Cedar River, WA X

Chambers Creek, WA X Charlton Channel, WA X Chehalis River, WA X Chelan, Lake, WA X

Chelan River, WA X

Chinook River, WA X

Coalcreek Slough, WA X Columbia River, WA/OR X

Columbia River Reservoir, WA X

Coweeman River, WA X

Cowlitz River, WA X Deep River, WA X Dell Creek, WA X Deschutes Basin, WA

Deschutes River, WA X Diablo Lake, WA X

Dickey River, WA X Duck Creek, WA X Dungeness River, WA X

Duwamish River, WA X Ebey Slough, WA X Edison Slough, WA X

Elochoman River, WA X Elochoman Slough, WA X Elwell Creek, WA X Entiat River, WA X Falk Creek, WA X

Ferndale Slough, WA X

Fifth Street Waterway, WA X

Fisher Island Slough (Fisher) X Franklin D. Roosevelt, Lake, WA X Germany Creek, WA X Governors Lake, WA X

Grays Harbor, WA X

Grays River, WA X Green Lake, WA X

Green River, WA X Hama Hama River, WA X Hamilton Creek, WA X

Hat Slough, WA X

Hoh River, WA X

Hoko River, WA X Hood Canal, WA X

Hoquiam River, WA X

Hoquiam River (East Fork), WA X Horse Shoe Lake, WA X Horse Thief Lake, WA X Humptulips River, WA X

Johns River, WA X Johnson Creek, WA X Jump Off Joe Lake, WA X

Kalama River, WA X

Klickitat River, WA X

Lake Crescent, WA X Lake River, WA X Lake Roosevelt, WA X Lake Union, WA X Lake Washington, WA X

Lake Washington Ship Canal, WA X Latah Creek, WA X

Lewis River, WA X Lewis River (East Fork), WA X

Little Hoquiam River, WA X

Little Pend Oreille River, WA X

Martin Island Slough, WA X McAllister Creek, WA X McNary Reservoir, WA X Methow River, WA X Methow River, WA X Mill Creek, WA X Mill Creek, WA X Moses Lake, WA X

Moyie River, ID X Mullen Slough, WA X

Naselle River, WA X

Nemah River (Middle Fork), WA X Nemah River (North Fork), WA X

Nemah River (South Fork), WA X

Nisqually River, WA X Nookachamps Creek, WA X

Nooksack River, WA X North Creek, WA X

North River, WA X

Okanogan River, WA X Ollala Bay, WA X Palix, River, WA X Palix River (Middle Fork), WA X Palix River (North Fork), WA X Palix River (South Fork), WA X

Palouse River, WA X Palouse River (South Fork), WA X

Pend Oreille River, WA/ID X Percival Creek, WA X Pickering Passage, WA X Portage Slough Purdy Creek, WA X

Puyallup River, WA X

Pysht River, WA X Queets River, WA X Quilceda Creek, WA X Quillayute River, WA X Rock Creek, WA X Roosevelt, Lake, WA X Ross Lake (Upper Skagit River), WA X Salmon Creek, WA X Salmon Creek, WA X

Samish River, WA X X Sammamish, Lake, WA X

Sammamish River, WA X

Sekiu River, WA X

Skagit River (incl. South Fork), WA X

Skagit River (North Fork), WA X Skamokawa Creek, WA X Skamokawa Creek (Left Fork), WA X

Skidmore Slough, WA X Skokomish River, WA X

Snake River, ID/OR/WA X

Snohomish River, WA X

Snohomish River (Ebey Slough), WA X

Snohomish River (Steamboat Slough), W X

Snohomish River (Union Slough), WA X

Snoqualmie River, WA X

Spokane River, WA X

Steamboat Slough, WA X Stillaguamish River, WA X

Stillaguamish River (Hat Slough), WA X Stuck River, WA X Sumas River, WA X Swinomish Slough (Channel), WA X Tacoma Harbor, WA X Tapps, Lake, WA X Tolt River, WA X Union River, WA X Unnamed inlet tributary to Nisqually Rea X Unnamed inlet tributary to Pickering Pas X Unnamed slough running in NW directio X

Wallacut River, WA X

Walla Walla River, WA X Wanapum Reservoir, WA X Welcome Slough, WA X Wenatchee River, WA X Whatcom, Lake, WA X Whatcom Waterway, WA X

White Salmon River, WA X Willapa Bay, WA X

Willapa River, WA X

Willapa River (North Fork), WA X

Willapa River (South Fork), WA X Winchester Bay, OR X

Wind River, WA X

Wishkah River, WA X Woodard Creek, WA X Yachats River, OR X

Yakima River, WA X REMARKS Side channel of Columbia River. Mouth 14 miles S of Vancouver, WA (tidal). Part of Columbia Estuary. Chinook to Ilwaco, WA (including West Channel). At mile 0.8. Flows into Willapa Bay. Navigable to head of tidewater, approximately 4 mi. above mouth. (Hood Canal) Navigable to mouth of Big Beef Creek (tidal). Upstream end at Knappa, OR (tidal). Columbia River, Bonneville Pool Backwater. Side channel of Columbia River. 1 mile S of Cathlamet, WA on Puget Island (tidal). Tributary of Quillayute River. Tributary of Skamokawa Creek. Mouth at Skamokawa, WA. Puget Sound. Near Olympia, WA. Side channel of Columbia River. Mouth 5 miles upstream from Kalama, WA (tidal). Southwestern Clark County; originates Mill Plains area, 7.0 miles to Vancouver Lake.

Near Olympia, WA. Formed by dam at mouth of Deschutes River. Puget Sound. Pierce County, WA. Side channel of Columbia River near Longview, WA (tidal). Puget Sound. Mason County, WA. Side channel of Columbia River at Cathlamet, WA (tidal).

Flows into Lake Washington at Renton, WA. Navigable to mile 1.3. Flows into Puget Sound near Steilacoom, WA. See Steliacoom Waterway. Navigable to mile 4.0. Flows into Grays Harbor. Navigable to mile 68.0. Only outlet is Chelan River. Tributary of Columbia River. Navigable at mile 0.05 (Columbia River backwater). Flows into Baker Bay. Mouth 3 miles E of Ilwaco, WA (tidal). Navigable to mile 0.6. Tributary of Columbia River, mouth 10 miles downstream from Longview, WA. Navigable for entire distance in the United States.

From Grand Coulee Dam to Canadian border (see Lake Roosevelt). Tributary of Cowlitz River. Mouth at Longview, WA. Navigable at mile 4.0. Tributary of Columbia River. Mouth at Longview, WA. Navigable to mile 34.0. Tributary of Columbia River. Mouth 7 mi. NE of Astoria, OR (tidal). Navigable to mile 5.0. Tributary of Naselle River near Naselle, WA. See Capitol Lake. Flows into Capitol Lake at Olympia, WA. CG considers non- navigable at mile 11.0. Skagit River. Flows into Quillayute River near La Push, WA. Navigable to head of tidewater 1 mile above mouth. Tributary of Elochman River. Flows into Strait of Juan de Fuca at Dungeness. River mouth is considered the head of West Waterway, Seattle Harbor, about 0.3 miles downstream of the Spokane Street Bridge. The head of navigation is the mouth of Black 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 Everett, WA. Flows into Samish Bay (tidal). Tributary of Columbia River. Flows into Elochoman Slough (tidal at mile 3.0). Side channel of Columbia River at Cathlamet, WA (tidal). Tributary of Skyomish River. Tributary of Columbia River. Tributary of Skamokawa Creek. Side channel of Nooksack River (tidal). Also known as Portage Slough. Navigable at bridge over 5th Street Waterway at Steilacoom, WA (tidal). Side channel of Columbia River at Island Channel, WA. Downstream end 6 miles downstream from Longview, WA (tidal). Navigable to mile 2.0. See Columbia River. Tidal at SR-4 bridge. See Capitol Lake. At Aberdeen, WA (tidal) from U.P.P.R. Bridge at Aberdeen to seaward end of bar channel, including all bays and sloughs to the elevation of mean high water. Tributary of Lower Columbia River. Mouth 7 miles NE of Astoria, OR (tidal at town of Grays River, mile 8.0). Seattle, WA. Becomes Duwamish River at mouth of Black River (head of tidewater), mile 11.0. Navigable to mile 23.0 at Kent, WA. Non- navigable upstream of State Highway 516 Bridge in existence on October 26, 1981. Act of Congress, 33 U.S.C. 59s. Flows into Hood Canal near Eldon, WA (tidal to mile 1.0). Tributary of Columbia River. Navigable to limit of Columbia River backwater elevation of 28.5 MSL. Flows out of Stillaguamish River near mile 8.0. Mileage shown is from head to mouth in Port Susan (tidal).

Flows into Pacific Ocean near Forks, WA (tidal to about mile 1.0). Flows into Strait of Juan de Fuca near Sekiu, WA (tidal to about mile 1.0). Near Port Gamble, WA. Flows into Grays Harbor at Hoquiam, WA (tidal to about mile 7.0). Navigable to mile 8.0.

Flows into Hoquiam River at Hoquiam, WA (tidal to about mile 6.5). Old channel of Lewis River at Woodland, WA. Klickitat County. Flows into Grays Harbor near Hoquiam, WA (tidal at mile 1.0). Flows into Grays Harbor near Markham, WA (tidal). Navigable to mile 4.0. Flows into Sequim Bay at Pitship Point. Near Chewelah, WA. Tributary of Columbia River. Mouth 2 miles downstream from Kalama, WA. Navigable at mile 3.4 Tributary to Columbia River. Bonneville Pool Backwater extends upstram to about mile 1.0.

Located entirely within Olympic National Park. While not navigable, entire lake is “water subject to the jurisdiction of the U.S.” Tributary of Columbia River (tidal at mile 3.3). Formed by Grand Coulee Dam. See Columbia River. Between Lake Washington and Puget Sound. At Seattle, WA. At Seattle, WA. Joins Lake Washington with Puget Sound at Shilshole Bay. Includes Lake Union. Tributary of Spokane River. Tributary of Columbia River. Across Columbia River from St. Helens, OR. Navigable to mile 7.7. Tributary of Lewis River. Navigable to La Center, WA, mile 3.0.

Flows into Hoquiam River near Hoquiam, WA (tidal to mile 2.0). Tributary to Colville River. Flows from Little Pend Oreille Lakes SW to Colville River. Side channel of Columbia River. 4 miles upstream from Kalama, WA. Flows into Nisqually Reach of Puget Sound (tidal at mile 3.0). See Columbia River. Near Winthrop, WA. Tributary of Columbia River at Pateros, WA. Flows into Hammersley Inlet of Puget Sound (tidal at mile 0.5). Tributary of Columbia River near Stella, WA (tidal to mile 0.8). Formed by O’Sullivan Dam on Crab Creek. Navigable from Canadian border to confluence with Kootenai River. Tributary of Green River at Kent, WA.

Flows into Willapa Bay near Naselle, WA. Navigable at mile 15.3. Flows into Willapa Bay near Nemah, WA (tidal at confluence of South Nemah). Flows into Willapa Bay near Nemah, WA (tidal at mile 1.5). Tributary of Middle Nemah (tidal at bridge above confluence with Middle Nemah). Flows into Nisqually Reach of Puget Sound (tidal at I-5 Freeway Bridge; mile 2.4). Tributary to Skagit River. Flows into Bellingham Bay near Bellingham, WA. Navigable to mile 26.0. Tributary to Sammamish River. Flows into Willapa Bay near South Bend, WA. Navigable to falls 5 miles above mouth. Tributary to Columbia River near Brewster, WA. Navigable from mouth to McLaughlin Falls, approximately 50 miles above mouth near Riverside, WA. Puget Sound. Flows into Willapa Bay near Bay Center, WA (tidal). Tributary of Palix River (tidal to mile 2.0). Tributary of Palix River (tidal to mile 1.5). Tributary of Palix River (tidal to mile 3.5). Mouth halfway between Lower Monumental Dam, and Little Goose Dam. At North Grand Avenue bridge, Pullman, WA. Navigable from the Canadian boundary at mile 16 to Lake Pend Oreille. From Black Lake near Olympia to Capitol Lake at Olympia. Puget Sound. See Ferndale Slough. Tributary of Skokomish River at mile 3.9. Flows into Commencement Bay of Puget Sound at Tacoma, WA (tidal at mile 3.0).

Flows into Strait of Juan de Fuca near Sekiu, WA (tidal to mile 2.5). Flows into Pacific Ocean near Queets, WA (tidal to mile 1.0). Tributary of Snohomish River (tidal at mile 2.3). Flows into Pacific Ocean at La Push, WA (tidal to mile 2.5). Backwater of Lake Umatilla to mile 1.0. See Columbia River. Navigable to Canadian Border. Tributary to Naselle River, Pacific County. Flows into Lake River at mile 9.5, Clark County. Flows into Samish Bay near Edison, WA (tidal to about mile 7.0). Non-navigable at mile 8.0. Source of Sammamish River. Flows from Lake Sammamish to Lake Washington near Seattle, WA.

Flows into Strait of Juan de Fuca near Sekiu, WA (tidal at mile 0.1).

Flows into Skagit Bay near Stanwood, WA. Department of Agriculture now has jurisdiction over parts of the Skagit River pursuant to the Wild and Scenic Rivers Act. Navigable to mile 80.0. Flows out of Skagit River at mile 9.5 near Mount Vernon, WA into Skagit Bay. Navigable to mile 7.0. Tributary of Columbia River. Mouth at Skamokawa, WA. Tributary of Columbia River. Mouth at Skamokawa, WA.

Flows into Willapa River near South Bend, WA (tidal at mile 0.2). Flows into Hood Canal near Union, WA (tidal to mile 3.0). Department of Interior has jurisdiction within Hells Canyon National Park Dam area. Navigable to Guffy Dam Site, ID, mile 450.0, between Murphy and Melba, ID. Navigable throughout. Formed by confluence of Skykomish and Snoqualmie Rivers near Monroe, WA. Flows out of Snohomish River near mile 10.0 at Everett into Port Gardner. Mileage shown is from head to Burlington Northern Railway bridge near mouth (tidal). Flows out of Snohomish River near mile 6 at Everett into Port Gardner. Mileage shown from head to Burlington Northern Railway bridge near mouth (tidal). Flows out of Snohomish River near mile 6.0 at Everett into Port Gardner. Mileage shown is from head to Burlington Northern Railway bridge near mouth (tidal).

At point of confluence with Skykomish River, forms the Snohomish River near Monroe, WA. Navigable to at least mile 24.9. Considered navigable above mile 80.2 to Lake Coeur d’ Alene and below mile 29.1 to confluence with the Columbia River.

Side channel of Columbia River. Mouth at Skamokawa, WA (tidal). Flows into Port Susan near Stanwood, WA (tidal to mile 11.5). Flows out of Stillaguamish River near mile 8.0 from road to mouth in Port Susan (tidal). Tributary of Puyallup River. Flows through northern Whatcom County. Connects Skagit Bay with Padilla Bay (tidal). Puget Sound. Tacoma, WA. Pierce County. Tributary of Snoqualmie River. Not navigable at mile 0.6. Flows into Hood Canal at Belfair, WA. Tidal. Tidal. Tidal. Flows into Baker Bay. Mouth 1.0 mile NE of Ilwaco, WA (tidal at mile 0.5). Tributary of Columbia River McNary Pool backwater extends to mile 15.8. Columbia River. Tributary of Columbia River. 2 miles S of Cathlamet, WA. Tributary to Columbia River. Near Bellingham, WA. Near Bellingham, WA (tidal). Tributary of Columbia River. Mouth 2 miles downstream from White Salmon, WA. Navigable to head of Bonneville Pool Backwater (See Drano Lake). Estuary of Pacific Ocean. Formed by confluence of North and South Forks at Raymond, WA. Flows into Willapa Bay near South Bend, WA (tidal). At confluence with South Fork, forms Willapa River at Raymond, WA (tidal at mile 14.6). At confluence with North Fork, forms Willapa River at Raymond, WA (tidal at mile 0.9). Tributary of Umpqua River at Winchester Bay, OR.

Tributary of Columbia River. Mouth 4 miles upstream from Stevenson, WA. Navigable to head of Bonneville Pool Backwater. Flows into Chehalis River at Aberdeen, WA (tidal to approximately 11 miles above mouth). Tributary of Columbia River near North Bonneville, WA. Flows into Pacific Ocean at Yachats, OR. Navigable at mile 0.5. Tributary of Columbia River. McNary Pool backwater extends upstream to mile 8.4. BODY OF WATER & LOCATION NAV CG NON-NAV CG

Albeni Reservoir, ID X American Falls Reservoir, ID X Bear Lake, ID/UT X Blue Creek Bay, ID X Brownlee Reservoir, ID X Chatcolet Lake, ID X Clark Fork River, ID/MT X

Clearwater River, ID X Clearwater River, ID (North Fork) X Coeur d’ Alene River, ID X Coeur d’ Alene Lake, ID Hidden Lake, ID X Kootenai River, ID/MT X

Lake Coeur d’ Alene, ID X

Lake Pend Oreille, ID X Latour Creek, ID X Moyie River, ID X Pack River, ID X Payette Lake, ID X Payette River, ID X Payette River (North Fork), ID X Pend Oreille River, WA/ID X Priest Lake, ID X Priest River, ID X Round Lake, ID X

St. Joe River, ID X St. Maries River, ID X Salmon River, ID X Salmon River (Middle Fork), ID X Sand Creek, ID X

Snake River, ID/OR/WA X Teton River, ID X REMARKS

See Pend Oreille Lake. Snake River. Court decision Utah v. U.S., 403 U.S. 9, (1971). See Lake Coeur d’ Alene, ID. See Snake River. Lake Coeur d’ Alene on St. Joe River, ID. Flows into Lake Pend Oreille. Navigable to mile 4.0. Tributary of Snake River entering at Lewiston, ID. Navigable to mile 40.0 and at mile 44.6 Navigable to upstream limit Dworsak Reservoir backwater. Near Rose Lake, ID. See Lake Coeur d’ Alene. See Lake Coeur d’ Alene. Navigable for entire distance within the United States. Water Resources Development Act of 1976. Lake is non-navigable for purposes of 33 U.S.C. 403. Navigable for drawbridge operating regulations and bridge permits. Navigable, together with all its bays and tributary sloughs, to water elevation 2,062.5 feet. Tributary of Coeur d’ Alene River. Navigable from Canadian border to confluence with Kootenai River. Flows into Lake Pend Oreille. Headwater of Payette River. Tributary of Snake River. Tributary of Payette River. Non-navigable at mile 2.8. Navigable from the Canadian boundary at mile 16 to Lake Pend Oreille. Headwater of Priest River. Tributary to Pend Oreille River. Navigable from mouth to Priest Lake. See Lake Coeur d’ Alene, ID. Tributary of Lake Coeur d’ Alene. Navigable from Lake Coeur d’ Alene to Hwy. bridge 0.75 mi. E of St. Joe, ID for bridge permits and drawbridge operating regulations. Tributary of Lake Coeur d’ Alene. Tributary to Snake River. Navigable from its mouth to Salmon City, ID. Tributary to Salmon River. Tributary to Pend Oreille River. Lake Pend Oreille backwater to mile 2.0. Department of Interior has jurisdiction within Hells Canyon National Park Dam area. Navigable to Guffy Dam Site, ID, mile 450.0, between Murphy and Melba, ID. Tributary to Snake River. BODY OF WATER & LOCATION NAV CG NON-NAV CG

Big Horn River, MT X Callahan Creek, MT X Canyon Ferry Reservoir, MT X Clark Fork River, ID/MT X Flathead Lake, MT X X Flathead River, MT Fort Peck Reservoir, MT X Hauser Dam Reservoir, MT X Kootenai River, ID/MT X Lake Koocanusa, MT X Lake Creek, MT X McDonald Lake, MT X X Missouri River, MT St. Mary’s River and Lake, MT X St. Regis River, MT X Sewell, Lake, MT X Stillwater River, MT X Tiber Reservoir, MT X Tongue River, MT X Yellowstone River, MT X Yellowtail Reservoir, MT X REMARKS

Navigable in its entirety (includes Yellowtail Reservoir). Tributary of Kootenai River. See Missouri River. Flows into Lake Pend Oreille. Navigable to mile 4.0. Near Kalispell, MT. At mile 129.2 near Kalispell, MT. No decision made as to waters adjacent to Canadian border. Missouri River. Missouri River. Navigable for entire distance within the United States. Libby Dam on Kootenai River. Tributary of Kootenai River near Troy, MT. In Glacier National Park. Navigable to a point 263.0 miles upriver from Fort Benton, MT. Crosses Canadian border near St. Mary, MT. Tributary to Clark Fork River. Canyon Ferry Dam, Missouri River. At Kalispell, MT. On Marias River. Tributary of Yellowstone River. Navigable from mouth at Missouri River to Intake, MT. See Big Horn River.