List of largest lakes of the United States by area - wikipedia List of largest lakes of the United States by area The following is a list of lakes of the United States by normal surface area. The top twenty lakes in size are as listed by the National Atlas of the United States, a publication of the United States Department of the Interior. The area given is the normal or average area of the lake. The area of some lakes fluctuates substantially. For those lakes partially in Canada or Mexico the area given for the lake is the total area, not just the part of the lake in the United States. See also : List of largest lakes of the United States by volume Rank Name U.S. states / Canadian provinces / Mexican states Area Notes Lake Superior Michigan - Minnesota - Wisconsin - Ontario 31,700 sq mi 82,103 km Lake Huron Michigan - Ontario 23,000 sq mi 59,570 km Lake Michigan Illinois - Indiana - Michigan - Wisconsin 22,300 sq mi 57,757 km Lake Erie Michigan - New York - Ohio - Ontario - Pennsylvania 9,910 sq mi 25,667 km Lake Ontario New York - Ontario 7,340 sq mi 19,011 km 6 Great Salt Lake ( salt ) Utah 2,117 sq mi 5,483 km 7 Lake of the Woods Manitoba - Minnesota - Ontario 1,679 sq mi 4,349 km 8 Iliamna Lake Alaska 1,014 sq mi 2,626 km 9 Lake Oahe ( man - made ) North Dakota - South Dakota 685 sq mi 1,774 km 10 Lake Okeechobee Florida 662 sq mi 1,715 km 11 Lake Pontchartrain ( salt ) Louisiana 631 sq mi 1,634 km 12 Lake Sakakawea ( man - made ) North Dakota 520 sq mi 1,347 km 13 Lake Champlain New York - Vermont - Quebec 490 sq mi 1,269 km 14 Becharof Lake Alaska 453 sq mi 1,173 km 15 Lake St. Clair Michigan - Ontario 440 sq mi 1,140 km 16 Red Lake Minnesota 427 sq mi 1,106 km 17 Selawik Lake Alaska 404 sq mi 1,046 km 18 Fort Peck Lake ( man - made ) Montana 393 sq mi 1,018 km 19 Salton Sea ( salt, man - made ) California 347 sq mi 899 km 20 Rainy Lake Minnesota - Ontario 345 sq mi 894 km 21 Devils Lake North Dakota 300.0 sq mi 777 km 22 Toledo Bend Reservoir ( man - made ) Louisiana - Texas 284 sq mi 736 km 23 Lake Powell ( man - made ) Arizona - Utah 251 sq mi 650 km 24 Kentucky Lake ( man - made ) Kentucky - Tennessee 250 sq mi 647 km 25 Lake Mead ( man - made ) Arizona - Nevada 247 sq mi 640 km 26 Naknek Lake Alaska 242 sq mi 627 km 27 Lake Winnebago Wisconsin 215 sq mi 557 km 28 Mille Lacs Lake Minnesota 207 sq mi 536 km 29 Flathead Lake Montana 192 sq mi 497 km 30 Lake Tahoe California - Nevada 191 sq mi 495 km 31 Pyramid Lake Nevada 183 sq mi 474 km 32 Sam Rayburn Reservoir ( man - made ) Texas 179 sq mi 464 km 33 Eufaula Lake ( man - made ) Oklahoma 169 sq mi 438 km 34 Lake Marion ( man - made ) South Carolina 165 sq mi 427 km 35 Leech Lake Minnesota 161 sq mi 417 km 36 Utah Lake Utah 151 sq mi 391 km 37 Lake Francis Case ( man - made ) South Dakota 149 sq mi 386 km 38 Lake Pend Oreille Idaho 148 sq mi 383 km 39 Lake Texoma ( man - made ) Oklahoma - Texas 139 sq mi 360 km 40 Yellowstone Lake Wyoming 136 sq mi 352 km 41 Falcon Lake ( man - made ) Tamaulipas - Texas 131 sq mi 339 km 42 Lake Livingston ( man - made ) Texas 130 sq mi 337 km 43 Lake Roosevelt ( man - made ) Washington 128 sq mi 332 km 44 Lake Clark Alaska 120 sq mi 311 km 45 Moosehead Lake Maine 117 sq mi 303 km 46 Lake Strom Thurmond ( man - made ) Georgia - South Carolina 111 sq mi 287 km 47 Bear Lake Idaho - Utah 109 sq mi 282 km 48 Lake Guntersville ( man - made ) Alabama 108 sq mi 280 km 49 Lake St. Francis ( man - made ) New York - Ontario - Quebec 105 sq mi 272 km 50 Wheeler Lake ( man - made ) Alabama 105 sq mi 272 km 51 Amistad Lake ( man - made ) Coahuila - Texas 102 sq mi 264 km 52 Klamath Lake Oregon 96 sq mi 249 km 53 Lake Moultrie ( man - made ) South Carolina 94 sq mi 243 km 54 Lake Winnibigoshish Minnesota 91 sq mi 236 km 55 Lake Barkley ( man - made ) Kentucky - Tennessee 91 sq mi 236 km 56 Lake Sharpe ( man - made ) South Dakota 89 sq mi 231 km 57 American Falls Reservoir ( man - made ) Idaho 88 sq mi 228 km 58 Lake Hartwell ( man - made ) Georgia - South Carolina 87 sq mi 225 km 59 Truman Reservoir ( man - made ) Missouri 87 sq mi 225 km 60 Lake of the Ozarks ( man - made ) Missouri 86 sq mi 223 km 61 Oneida Lake New York 80 sq mi 207 km 62 Lake Cumberland ( man - made ) Kentucky 79 sq mi 205 km 63 Kerr Lake ( man - made ) North Carolina - Virginia 78 sq mi 202 km 64 Calcasieu Lake Louisiana 77 sq mi 199 km 65 Lake Murray ( man - made ) South Carolina 75 sq mi 194 km 66 Grand Lake o ' the Cherokees ( man - made ) Oklahoma 73 sq mi 189 km 67 Lake Winnipesaukee New Hampshire 71 sq mi 184 km 68 Bull Shoals Lake ( man - made ) Arkansas - Missouri 71 sq mi 184 km 69 Walter F. George Lake ( man - made ) Alabama - Georgia 71 sq mi 184 km 70 Lake Martin ( man - made ) Alabama 69 sq mi 179 km 71 Clear Lake California 68 sq mi 176 km 72 Robert S. Kerr Lake ( man - made ) Oklahoma 68 sq mi 176 km 73 Seneca Lake New York 68 sq mi 176 km 74 Pickwick Lake ( man - made ) Alabama - Mississippi 67 sq mi 174 km 75 Table Rock Lake ( man - made ) Arkansas - Missouri 67 sq mi 174 km 76 Cayuga Lake New York 67 sq mi 174 km 77 Flaming Gorge Reservoir ( man - made ) Utah - Wyoming 66 sq mi 171 km 78 Lake Vermilion Minnesota 63 sq mi 163 km 79 Lake Ouachita ( man - made ) Arkansas 63 sq mi 163 km 80 Lake Mattamuskeet North Carolina 63 sq mi 163 km 81 Watts Bar Lake ( man - made ) Tennessee 61 sq mi 158 km 82 Lake Wallula ( man - made ) Oregon - Washington 61 sq mi 158 km 83 Lake Lanier ( man - made ) Georgia 59 sq mi 153 km 84 Lake Seminole ( man - made ) Florida - Georgia 58 sq mi 150 km 85 Lake Tawakoni ( man - made ) Texas 57 sq mi 148 km 86 Elephant Butte Lake ( man - made ) New Mexico 57 sq mi 148 km 87 Chickamauga Lake ( man - made ) Tennessee 57 sq mi 148 km 88 Grenada Lake ( man - made ) Mississippi 55 sq mi 142 km 89 Lake Kissimmee Florida 55 sq mi 142 km 90 Lake Dardanelle ( man - made ) Arkansas 54 sq mi 140 km 91 Norris Lake ( man - made ) Tennessee 53 sq mi 137 km 92 Canyon Ferry Lake ( man - made ) Montana 53 sq mi 137 km 93 Lake Chelan Washington 52 sq mi 135 km 94 Cedar Creek Lake ( man - made ) Texas 51 sq mi 132 km 95 Lake Norman ( man - made ) North Carolina 51 sq mi 132 km 96 Sardis Lake ( man - made ) Mississippi 51 sq mi 132 km 97 Walker Lake ( Nevada ) Nevada 50 sq mi 129 km 98 Lake McConaughy ( man - made ) Nebraska 56 sq mi 145 km 99 Lake George New York 56 sq mi 145 km 100 Beaver Lake ( man - made ) Arkansas 44.06 sq mi 114 km 101 Great Sacandaga Lake New York 42 sq mi 109 km Notes Jump up ^ One of the Great Lakes ; considered the largest lake in the United States by the National Atlas of the United States. Jump up ^ Although it forms one a single hydrological unit with Lake Huron ( their surfaces are at the same elevation and the water flows in either direction in the channel separating them ), they are generally considered distinct lakes, and Lake Michigan is generally considered the largest lake entirely within the United States, as Lake Huron and Lake Superior are binational ( shared with Canada ). Jump up ^ One of the Great Lakes. Jump up ^ One of the Great Lakes. Jump up ^ One of the Great Lakes. Jump up ^ If Lake Michigan and Lake Huron are considered the same lake, the largest lake entirely within the United States. Also the largest salt lake in the United States. Jump up ^ Largest man - made lake ( reservoir ) by surface area in the United States. Jump up ^ Largest lake in the South Jump up ^ Often considered an estuary rather than a lake Jump up ^ includes both Upper and Lower Red Lake Jump up ^ highly variable in area Jump up ^ The area of Devils Lake was taken from the summer 2011 record peak of 1,454.4 ft ( 443.3 m ) MSL. Devils Lake has experienced severe flooding and has risen more than 31 feet ( 9.4 m ) since 1993. Area has increased by 4 times. Jump up ^ Devils Lake Elevation - Volume Table Jump up ^ USGS Devils Lake Flood History Jump up ^ National Weather Service Advanced Hydrologic Prediction Service ( NWS AHPS ) for Devils Lake at Creel Bay Jump up ^ Part of St. Lawrence Seaway See also List of lakes of the United States List of largest lakes of the United States by volume External links List from the National Atlas of the United States Retrieved from `` https://en.wikipedia.org/w/index.php?title=List_of_largest_lakes_of_the_United_States_by_area&oldid=797857934 '' Categories : Lists of lakes of the United States United States - related lists of superlatives Lists by area Talk About Wikipedia Español Русский Edit links This page was last edited on 29 August 2017, at 15 : 49. About Wikipedia

Question: what's the largest manmade lake in the us
Answer: Lake Oahe