List of U.S. rivers by discharge

This is a list of rivers in the United States by average discharge (streamflow) in cubic feet per second. All rivers with average discharge more than 15,000 cubic feet per second are listed. Estimates are approximate, because data are variable with time period measured and also because many rivers lack a gauging station near their point of outflow.

River Length (km) Length (miles) Average discharge (cfs) Outflow
Mississippi River 3,730 2,320 593,000[1] Gulf of Mexico
Ohio River 1,575[2] 979[2] 281,500[3] Mississippi River
Saint Lawrence River 965[2] 600 348,000[1] (275,000 at U.S.-Canada boundary) Gulf of Saint Lawrence
Columbia River 2,000[2] 1,243[2] 273,000[2] Pacific Ocean
Yukon River 3,185[2] 1,980[2] 227,000[1] Bering Sea
Atchafalaya River 220 137 225,000[1] Gulf of Mexico
Niagara River 58 36 204,700[1] Lake Ontario
Detroit River 51 32 188,000[1] Lake Erie
St. Clair River 63 39 183,000[1] Lake St. Clair
Missouri River 3,767[2] 2,341[2] 86,300 Mississippi River
St. Marys River 120 75 75,000[1] Lake Huron-Lake Michigan
Tennessee River 1,049 652 68,000[1] Ohio River
Mobile River 72 45 67,000[1] Gulf of Mexico
Kuskokwim River 1,130[2] 702[2] 67,000[1] Bering Sea
Red River 2,190 1,360 58,000[1] Atchafalaya River
Copper River 470 290 57,400[1] Gulf of Alaska
Snake River 1,674[2] 1,040[2] 55,000[4] Columbia River
Stikine River 610 379 56,000[1] Pacific Ocean
Susitna River 504 313 51,000[1] Gulf of Alaska
Arkansas River 2,322[2] 1,443[2] 44,500[5] Mississippi River
Tanana River 940[2] 584[2] 41,800[2] Yukon River
Susquehanna River 747 464 38,200[1] Chesapeake Bay
Willamette River 301 187 37,400[1] Columbia River
Wabash River 810[2] 503[2] 34,500[6] Ohio River
Alabama River 512 318 32,500[7] Mobile River
Nushagak River 450 280 32,000?[8] Bering Sea
Alsek River 386 240 31,000[9] Gulf of Alaska
Cumberland River 1,120[2] 696[2] 30,000? Ohio River
Black River-Ouachita River 974[2] 605[2] 29,800[2] Red River
White River 1,159[2] 720[2] 29,500[10] Mississippi River
Pend Oreille River 210 130 27,000[11] Columbia River
Tombigbee River 320 200 26,300[7] Mobile River
Apalachicola River 180 112 25,000[1] Gulf of Mexico
Koyukuk River 684 425 25,000?[12] Yukon River
Illinois River 439 273 24,000[13] Mississippi River
Sacramento River 719 447 23,500[14] Pacific Ocean
Porcupine River 916 569 23,000[1] Yukon River
Colorado River 2,330[2] 1,450[2] 22,000[1] Gulf of California
Clark Fork River 500 310 21,900[15] Pend Oreille River
Yentna River 121 75 21,000?[9] Susitna River
Chitina River 180 112 20,000? Copper River
Allegheny River 523 320 19,900[16] Ohio River
Kvichak River 80 50 17,900[9] Bering Sea
Connecticut River 655 407 17,500 Atlantic Ocean
Klamath River 423 263 17,300[17] Pacific Ocean
Santee River 230 143 17,000(approx.)[8] Atlantic Ocean
Skagit River 240 150 16,500 Pacific Ocean
Kootenai (Kootenay) River 781 485 27,600 (approx. 16,000? at U.S.-Canada boundary) Columbia River
Hudson River 507 315 16,000(approx.)[5] Atlantic Ocean
Coosa River 450 280 16,000[18] Alabama River
Kanawha River 156 97 16,000[19] Ohio River
Clearwater River 120 75 15,300[20] Snake River
Kobuk River 451 280 15,300[9] Bering Sea
Pee Dee River 373 232 15,000?[8] Atlantic Ocean

References

  1. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 U.S. Geological Survey (1992). "Largest Rivers in the United States." (PDF).
  2. 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 Benke, Arthur C., ed., and Cushing, Colbert E., ed. Rivers of North America. Burlington, Mass.: Elsevier Academic Press.
  3. ↑ Leeden, Frits van der (1990). The Water Encyclopedia (2nd ed.). Chelsea, Mich.: Lewis Publishers. p. 126. ISBN 0-87371-120-3.
  4. ↑ "Snake River below Ice Harbor Dam, WA" (PDF). National Water Information System. United States Geological Survey. 1963–2000. Retrieved 20 April 2011.
  5. 1 2 U.S. Geological Survey (1949). "Large Rivers of the United States, Circular 44." (PDF).
  6. ↑ "USGS Water Data for Indiana".
  7. 1 2 "USGS Water Data for Alabama".
  8. 1 2 3 ""U.S. Geological Survey National Water Summary 1985: State Summaries of Surface-Water Resources".
  9. 1 2 3 4 "USGS Water Data for Alaska".
  10. ↑ "USGS Water Data for Arkansas".
  11. ↑ "USGS Gage #12396500 on the Pend Oreille River below Box Canyon, near Ione, WA" (PDF). National Water Information System. U.S. Geological Survey. 1952–2013. Retrieved 2014-10-13.
  12. ↑ |title=”U.S. Geological Survey National Water Summary 1985: State Summaries of Surface-Water Resources
  13. ↑ "USGS Gage #05586100 on the Illinois River at Valley City, IL" (PDF). National Water Information System. U.S. Geological Survey. 1939–2012. Retrieved 2013-11-09.
  14. ↑ "USGS Gage #11447650 on the Sacramento River at Freeport, CA (Water-Data Report 2009)" (PDF). Water Resources of the United States. U.S. Geological Survey.
  15. ↑ "Montana Water Resources Data 2004"., file "Mill Creek above Bassoo Creek, near Niarada to Clark Fork at Whitehorse Rapids, near Cabinet, ID" (PDF)..
  16. ↑
  17. ↑ "Water-Data Report 2013: 11530500 Klamath River near Klamath, CA" (PDF). U.S. Geological Survey.
  18. ↑ "Water resources data for the United States, Water Year 2009; gage 02411000, Coosa River at Jordan Dam near Wetumpka, AL" (PDF). USGS.
  19. ↑ United States Geological Survey; USGS 03193000 KANAWHA RIVER AT KANAWHA FALLS, WV.
  20. ↑ "USGS Gage #13343000 on the Clearwater River near Lewiston". United States Geological Survey National Water Information System.

See also

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