Download Excel File List of U.S. Rivers by Discharge

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This list shows the rivers in the US by their discharge, providing information such as their average discharge, length in kilometers and miles, and outflow.




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S.No.,River,Average discharge (cf/s),Length (km),Length (miles),Outflow1,Mississippi River,"593,000",3730,2320,Gulf of Mexico2,Ohio River,"281,500",1575,979,Mississippi River3,Saint Lawrence River,"348,000 (275,000 at U.S.-Canada boundary)",965,600,Gulf of Saint Lawrence4,Columbia River,"273,000",2000,1243,Pacific Ocean5,Yukon River,"227,000",3185,1980,Bering Sea6,Atchafalaya River,"225,000",220,137,Gulf of Mexico7,Niagara River,"204,700",58,36,Lake Ontario8,Detroit River,"188,000",51,32,Lake Erie9,St. Clair River,"183,000",63,39,Lake St. Clair10,Missouri River,"86,300",3767,2341,Mississippi River11,St. Marys River,"75,000",120,75,Lake Huron-Lake Michigan12,Tennessee River,"68,000",1049,652,Ohio River13,Mobile River,"67,000",72,45,Gulf of Mexico14,Kuskokwim River,"67,000",1130,702,Bering Sea15,Red River,"58,000",2190,1360,Atchafalaya River16,Copper River,"57,400",470,290,Gulf of Alaska17,Snake River,"55,000",1674,1040,Columbia River18,Stikine River,"56,000",610,379,Pacific Ocean19,Susitna River,"51,000",504,313,Gulf of Alaska20,Arkansas River,"44,500",2322,1443,Mississippi River21,Tanana River,"41,800",940,584,Yukon River22,Susquehanna River,"38,200",747,464,Chesapeake Bay23,Willamette River,"37,400",301,187,Columbia River24,Wabash River,"34,500",810,503,Ohio River25,Alabama River,"32,500",512,318,Mobile River26,Nushagak River,"32,000",450,280,Bering Sea27,Alsek River,"31,000",386,240,Gulf of Alaska28,Cumberland River,"30,000",1120,696,Ohio River29,Black River-Ouachita River,"29,800",974,605,Red River30,White River,"29,500",1159,720,Mississippi River31,Pend Oreille River,"27,000",210,130,Columbia River32,Tombigbee River,"26,300",320,200,Mobile River33,Koyukuk River,"25,000",684,425,Yukon River34,Illinois River,"24,000",439,273,Mississippi River35,Sacramento River,"23,500",719,447,Pacific Ocean36,Porcupine River,"23,000",916,569,Yukon River37,Colorado River,"22,000",2330,1450,Gulf of California38,Clark Fork River,"21,900",500,310,Pend Oreille River39,Hudson River,"21,900",507,315,Atlantic Ocean40,Yentna River,"21,000",121,75,Susitna River41,Chitina River,"20,000",180,112,Copper River42,Allegheny River,"19,900",523,320,Ohio River43,Apalachicola River,"19,602",80,50,Gulf of Mexico44,Connecticut River,"18,400",655,407,Atlantic Ocean45,Kvichak River,"17,900",80,50,Bering Sea46,Klamath River,"17,300",423,263,Pacific Ocean47,Santee River,"17,000(approx.)",230,143,Atlantic Ocean48,Skagit River,"16,500",240,150,Pacific Ocean49,Kootenai (Kootenay) River,"27,600 (approx. 16,000 at U.S.-Canada boundary)",781,485,Columbia River50,Coosa River,"16,000",450,280,Alabama River51,Kanawha River,"16,000",156,97,Ohio River52,Clearwater River,"15,300",120,75,Snake River53,Kobuk River,"15,300",451,280,Bering Sea54,St. Johns River,"15,000",500,310,Atlantic Ocean55,Pee Dee River,"15,000",373,232,Atlantic Ocean,,,,,https://www.downloadexcelfiles.com/,,,,,