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List of U.S. rivers by discharge facts for kids

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This is a list of rivers in the continental 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.

No River Length (km) Length (miles) Average discharge (cfs) Outflow
1 Mississippi River 0Expression error: Unrecognized punctuation character ","..Expression error: Unrecognized punctuation character ",".3,730 0Expression error: Unrecognized punctuation character ","..Expression error: Unrecognized punctuation character ",".2,320 0Expression error: Unrecognized punctuation character ","..Expression error: Unrecognized punctuation character ",".593,000 Gulf of Mexico
2 Ohio River 0Expression error: Unrecognized punctuation character ","..Expression error: Unrecognized punctuation character ",".1,575 &&&&&&&&&&&&0979.&&&&&0979 0Expression error: Unrecognized punctuation character ","..Expression error: Unrecognized punctuation character ",".281,500 Mississippi River
3 Saint Lawrence River &&&&&&&&&&&&0965.&&&&&0965 &&&&&&&&&&&&0600.&&&&&0600 0Expression error: Unrecognized punctuation character ","..Expression error: Unrecognized punctuation character ",".348,000 (275,000 at U.S.-Canada boundary) Gulf of Saint Lawrence
4 Columbia River 0Expression error: Unrecognized punctuation character ","..Expression error: Unrecognized punctuation character ",".2,000 0Expression error: Unrecognized punctuation character ","..Expression error: Unrecognized punctuation character ",".1,243 0Expression error: Unrecognized punctuation character ","..Expression error: Unrecognized punctuation character ",".273,000 Pacific Ocean
5 Yukon River 0Expression error: Unrecognized punctuation character ","..Expression error: Unrecognized punctuation character ",".3,185 0Expression error: Unrecognized punctuation character ","..Expression error: Unrecognized punctuation character ",".1,980 0Expression error: Unrecognized punctuation character ","..Expression error: Unrecognized punctuation character ",".227,000 Bering Sea
6 Atchafalaya River &&&&&&&&&&&&0220.&&&&&0220 &&&&&&&&&&&&0137.&&&&&0137 0Expression error: Unrecognized punctuation character ","..Expression error: Unrecognized punctuation character ",".225,000 Gulf of Mexico
7 Niagara River &&&&&&&&&&&&&058.&&&&&058 &&&&&&&&&&&&&036.&&&&&036 0Expression error: Unrecognized punctuation character ","..Expression error: Unrecognized punctuation character ",".204,700 Lake Ontario
8 Detroit River &&&&&&&&&&&&&051.&&&&&051 &&&&&&&&&&&&&032.&&&&&032 0Expression error: Unrecognized punctuation character ","..Expression error: Unrecognized punctuation character ",".188,000 Lake Erie
9 St. Clair River &&&&&&&&&&&&&063.&&&&&063 &&&&&&&&&&&&&039.&&&&&039 0Expression error: Unrecognized punctuation character ","..Expression error: Unrecognized punctuation character ",".183,000 Lake St. Clair
10 Missouri River 0Expression error: Unrecognized punctuation character ","..Expression error: Unrecognized punctuation character ",".3,767 0Expression error: Unrecognized punctuation character ","..Expression error: Unrecognized punctuation character ",".2,341 0Expression error: Unrecognized punctuation character ","..Expression error: Unrecognized punctuation character ",".86,300 Mississippi River
11 St. Marys River &&&&&&&&&&&&0120.&&&&&0120 &&&&&&&&&&&&&075.&&&&&075 0Expression error: Unrecognized punctuation character ","..Expression error: Unrecognized punctuation character ",".75,000 Lake Huron-Lake Michigan
12 Tennessee River 0Expression error: Unrecognized punctuation character ","..Expression error: Unrecognized punctuation character ",".1,049 &&&&&&&&&&&&0652.&&&&&0652 0Expression error: Unrecognized punctuation character ","..Expression error: Unrecognized punctuation character ",".68,000 Ohio River
13 Mobile River &&&&&&&&&&&&&072.&&&&&072 &&&&&&&&&&&&&045.&&&&&045 0Expression error: Unrecognized punctuation character ","..Expression error: Unrecognized punctuation character ",".67,000 Gulf of Mexico
14 Kuskokwim River 0Expression error: Unrecognized punctuation character ","..Expression error: Unrecognized punctuation character ",".1,130 &&&&&&&&&&&&0702.&&&&&0702 0Expression error: Unrecognized punctuation character ","..Expression error: Unrecognized punctuation character ",".67,000 Bering Sea
15 Red River 0Expression error: Unrecognized punctuation character ","..Expression error: Unrecognized punctuation character ",".2,190 0Expression error: Unrecognized punctuation character ","..Expression error: Unrecognized punctuation character ",".1,360 0Expression error: Unrecognized punctuation character ","..Expression error: Unrecognized punctuation character ",".58,000 Atchafalaya River
16 Copper River &&&&&&&&&&&&0470.&&&&&0470 &&&&&&&&&&&&0290.&&&&&0290 0Expression error: Unrecognized punctuation character ","..Expression error: Unrecognized punctuation character ",".57,400 Gulf of Alaska
17 Snake River 0Expression error: Unrecognized punctuation character ","..Expression error: Unrecognized punctuation character ",".1,674 0Expression error: Unrecognized punctuation character ","..Expression error: Unrecognized punctuation character ",".1,040 0Expression error: Unrecognized punctuation character ","..Expression error: Unrecognized punctuation character ",".55,000 Columbia River
18 Stikine River &&&&&&&&&&&&0610.&&&&&0610 &&&&&&&&&&&&0379.&&&&&0379 0Expression error: Unrecognized punctuation character ","..Expression error: Unrecognized punctuation character ",".56,000 Pacific Ocean
19 Susitna River &&&&&&&&&&&&0504.&&&&&0504 &&&&&&&&&&&&0313.&&&&&0313 0Expression error: Unrecognized punctuation character ","..Expression error: Unrecognized punctuation character ",".51,000 Gulf of Alaska
20 Arkansas River 0Expression error: Unrecognized punctuation character ","..Expression error: Unrecognized punctuation character ",".2,322 0Expression error: Unrecognized punctuation character ","..Expression error: Unrecognized punctuation character ",".1,443 0Expression error: Unrecognized punctuation character ","..Expression error: Unrecognized punctuation character ",".44,500 Mississippi River
21 Tanana River &&&&&&&&&&&&0940.&&&&&0940 &&&&&&&&&&&&0584.&&&&&0584 0Expression error: Unrecognized punctuation character ","..Expression error: Unrecognized punctuation character ",".41,800 Yukon River
22 Susquehanna River &&&&&&&&&&&&0747.&&&&&0747 &&&&&&&&&&&&0464.&&&&&0464 0Expression error: Unrecognized punctuation character ","..Expression error: Unrecognized punctuation character ",".38,200 Chesapeake Bay
23 Willamette River &&&&&&&&&&&&0301.&&&&&0301 &&&&&&&&&&&&0187.&&&&&0187 0Expression error: Unrecognized punctuation character ","..Expression error: Unrecognized punctuation character ",".37,400 Columbia River
24 Wabash River &&&&&&&&&&&&0810.&&&&&0810 &&&&&&&&&&&&0503.&&&&&0503 0Expression error: Unrecognized punctuation character ","..Expression error: Unrecognized punctuation character ",".34,500 Ohio River
25 Alabama River &&&&&&&&&&&&0512.&&&&&0512 &&&&&&&&&&&&0318.&&&&&0318 0Expression error: Unrecognized punctuation character ","..Expression error: Unrecognized punctuation character ",".32,500 Mobile River
26 Nushagak River &&&&&&&&&&&&0450.&&&&&0450 &&&&&&&&&&&&0280.&&&&&0280 0Expression error: Unrecognized punctuation character ","..Expression error: Unrecognized punctuation character ",".32,000? Bering Sea
27 Alsek River &&&&&&&&&&&&0386.&&&&&0386 &&&&&&&&&&&&0240.&&&&&0240 0Expression error: Unrecognized punctuation character ","..Expression error: Unrecognized punctuation character ",".31,000 Gulf of Alaska
28 Cumberland River 0Expression error: Unrecognized punctuation character ","..Expression error: Unrecognized punctuation character ",".1,120 &&&&&&&&&&&&0696.&&&&&0696 0Expression error: Unrecognized punctuation character ","..Expression error: Unrecognized punctuation character ",".30,000? Ohio River
29 Black River-Ouachita River &&&&&&&&&&&&0974.&&&&&0974 &&&&&&&&&&&&0605.&&&&&0605 0Expression error: Unrecognized punctuation character ","..Expression error: Unrecognized punctuation character ",".29,800 Red River
30 White River 0Expression error: Unrecognized punctuation character ","..Expression error: Unrecognized punctuation character ",".1,159 &&&&&&&&&&&&0720.&&&&&0720 0Expression error: Unrecognized punctuation character ","..Expression error: Unrecognized punctuation character ",".29,500 Mississippi River
31 Pend Oreille River &&&&&&&&&&&&0210.&&&&&0210 &&&&&&&&&&&&0130.&&&&&0130 0Expression error: Unrecognized punctuation character ","..Expression error: Unrecognized punctuation character ",".27,000 Columbia River
32 Tombigbee River &&&&&&&&&&&&0320.&&&&&0320 &&&&&&&&&&&&0200.&&&&&0200 0Expression error: Unrecognized punctuation character ","..Expression error: Unrecognized punctuation character ",".26,300 Mobile River
33 Koyukuk River &&&&&&&&&&&&0684.&&&&&0684 &&&&&&&&&&&&0425.&&&&&0425 0Expression error: Unrecognized punctuation character ","..Expression error: Unrecognized punctuation character ",".25,000? Yukon River
34 Illinois River &&&&&&&&&&&&0439.&&&&&0439 &&&&&&&&&&&&0273.&&&&&0273 0Expression error: Unrecognized punctuation character ","..Expression error: Unrecognized punctuation character ",".24,000 Mississippi River
35 Sacramento River &&&&&&&&&&&&0719.&&&&&0719 &&&&&&&&&&&&0447.&&&&&0447 0Expression error: Unrecognized punctuation character ","..Expression error: Unrecognized punctuation character ",".23,500 Pacific Ocean
36 Porcupine River &&&&&&&&&&&&0916.&&&&&0916 &&&&&&&&&&&&0569.&&&&&0569 0Expression error: Unrecognized punctuation character ","..Expression error: Unrecognized punctuation character ",".23,000 Yukon River
37 Colorado River 0Expression error: Unrecognized punctuation character ","..Expression error: Unrecognized punctuation character ",".2,330 0Expression error: Unrecognized punctuation character ","..Expression error: Unrecognized punctuation character ",".1,450 0Expression error: Unrecognized punctuation character ","..Expression error: Unrecognized punctuation character ",".22,000 Gulf of California
38 Clark Fork River &&&&&&&&&&&&0500.&&&&&0500 &&&&&&&&&&&&0310.&&&&&0310 0Expression error: Unrecognized punctuation character ","..Expression error: Unrecognized punctuation character ",".21,900 Pend Oreille River
39 Hudson River &&&&&&&&&&&&0507.&&&&&0507 &&&&&&&&&&&&0315.&&&&&0315 0Expression error: Unrecognized punctuation character ","..Expression error: Unrecognized punctuation character ",".21,900 Atlantic Ocean
40 Yentna River &&&&&&&&&&&&0121.&&&&&0121 &&&&&&&&&&&&&075.&&&&&075 0Expression error: Unrecognized punctuation character ","..Expression error: Unrecognized punctuation character ",".21,000? Susitna River
41 Chitina River &&&&&&&&&&&&0180.&&&&&0180 &&&&&&&&&&&&0112.&&&&&0112 0Expression error: Unrecognized punctuation character ","..Expression error: Unrecognized punctuation character ",".20,000? Copper River
42 Allegheny River &&&&&&&&&&&&0523.&&&&&0523 &&&&&&&&&&&&0320.&&&&&0320 0Expression error: Unrecognized punctuation character ","..Expression error: Unrecognized punctuation character ",".19,900 Ohio River
43 Apalachicola River &&&&&&&&&&&&&080.&&&&&080 &&&&&&&&&&&&&050.&&&&&050 0Expression error: Unrecognized punctuation character ","..Expression error: Unrecognized punctuation character ",".19,602 Gulf of Mexico
44 Connecticut River &&&&&&&&&&&&0655.&&&&&0655 &&&&&&&&&&&&0407.&&&&&0407 0Expression error: Unrecognized punctuation character ","..Expression error: Unrecognized punctuation character ",".18,400 Atlantic Ocean
45 Kvichak River &&&&&&&&&&&&&080.&&&&&080 &&&&&&&&&&&&&050.&&&&&050 0Expression error: Unrecognized punctuation character ","..Expression error: Unrecognized punctuation character ",".17,900 Bering Sea
46 Klamath River &&&&&&&&&&&&0423.&&&&&0423 &&&&&&&&&&&&0263.&&&&&0263 0Expression error: Unrecognized punctuation character ","..Expression error: Unrecognized punctuation character ",".17,300 Pacific Ocean
47 Santee River &&&&&&&&&&&&0230.&&&&&0230 &&&&&&&&&&&&0143.&&&&&0143 0Expression error: Unrecognized punctuation character ","..Expression error: Unrecognized punctuation character ",".17,000(approx.) Atlantic Ocean
48 Skagit River &&&&&&&&&&&&0240.&&&&&0240 &&&&&&&&&&&&0150.&&&&&0150 0Expression error: Unrecognized punctuation character ","..Expression error: Unrecognized punctuation character ",".16,500 Pacific Ocean
49 Kootenai (Kootenay) River &&&&&&&&&&&&0781.&&&&&0781 &&&&&&&&&&&&0485.&&&&&0485 0Expression error: Unrecognized punctuation character ","..Expression error: Unrecognized punctuation character ",".27,600 (approx. 16,000? at U.S.-Canada boundary) Columbia River
50 Coosa River &&&&&&&&&&&&0450.&&&&&0450 &&&&&&&&&&&&0280.&&&&&0280 0Expression error: Unrecognized punctuation character ","..Expression error: Unrecognized punctuation character ",".16,000 Alabama River
51 Kanawha River &&&&&&&&&&&&0156.&&&&&0156 &&&&&&&&&&&&&097.&&&&&097 0Expression error: Unrecognized punctuation character ","..Expression error: Unrecognized punctuation character ",".16,000 Ohio River
52 Clearwater River &&&&&&&&&&&&0120.&&&&&0120 &&&&&&&&&&&&&075.&&&&&075 0Expression error: Unrecognized punctuation character ","..Expression error: Unrecognized punctuation character ",".15,300 Snake River
53 Kobuk River &&&&&&&&&&&&0451.&&&&&0451 &&&&&&&&&&&&0280.&&&&&0280 0Expression error: Unrecognized punctuation character ","..Expression error: Unrecognized punctuation character ",".15,300 Bering Sea
54 St. Johns River &&&&&&&&&&&&0500.&&&&&0500 &&&&&&&&&&&&0310.&&&&&0310 0Expression error: Unrecognized punctuation character ","..Expression error: Unrecognized punctuation character ",".15,000? Atlantic Ocean
55 Pee Dee River &&&&&&&&&&&&0373.&&&&&0373 &&&&&&&&&&&&0232.&&&&&0232 0Expression error: Unrecognized punctuation character ","..Expression error: Unrecognized punctuation character ",".15,000? Atlantic Ocean
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List of U.S. rivers by discharge Facts for Kids. Kiddle Encyclopedia.