List of largest reservoirs in the United States

This is a list of the largest reservoirs in the United States, ranked by volume. All reservoirs over 1,000,000 acre feet (1.2 km3) are listed.

This is a work in progress.

Key to watersheds
Mississippi Missouri Columbia Colorado Rio Grande Sacramento Other

List of reservoirs by volume in America

Name Capacity State(s) Dam Watercourse Image
Lake Mead 28,537,000 acre feet (35.200 km3)[1] Arizona, Nevada Hoover Dam Colorado River
Lake Powell 24,322,000 acre feet (30.001 km3) Utah, Arizona Glen Canyon Dam Colorado River
Lake Sakakawea 24,200,000 acre feet (29.9 km3) North Dakota Garrison Dam Missouri River
Lake Oahe 23,500,000 acre feet (29.0 km3) South Dakota, North Dakota Oahe Dam Missouri River
Fort Peck Lake 18,700,000 acre feet (23.1 km3) Montana Fort Peck Dam Missouri River
Franklin Delano Roosevelt Lake 9,562,000 acre feet (11.795 km3)[2] Washington Grand Coulee Dam Columbia River
Kentucky Lake 6,129,000 acre feet (7.560 km3)[3] Kentucky, Tennessee Kentucky Dam Tennessee River
Lake Cumberland 6,089,000 acre feet (7.511 km3) Kentucky Wolf Creek Dam Cumberland River
Lake Koocanusa 5,805,000 acre feet (7.160 km3) Montana, British Columbia Libby Dam Kootenai River
Lake Francis Case 5,700,000 acre feet (7.0 km3) South Dakota Fort Randall Dam Missouri River
Amistad Reservoir 5,535,600 acre feet (6.8281 km3)[4] Texas, Coahuila Amistad Dam Rio Grande
Shasta Lake 4,552,000 acre feet (5.615 km3) California Shasta Dam Sacramento River
Toledo Bend Reservoir 4,477,000 acre feet (5.522 km3) Texas, Louisiana Toledo Bend Dam Sabine River
Truman Reservoir 3,999,300 acre feet (4.9331 km3)[5] Missouri Harry S. Truman Dam Osage River
Sam Rayburn Reservoir 3,997,600 acre feet (4.9310 km3) Texas McGee Bend Dam Angelina River
Flaming Gorge Reservoir 3,788,700 acre feet (4.6733 km3) Wyoming, Utah Flaming Gorge Dam Green River
Lake Oroville 3,537,577 acre feet (4.363537 km3) California Oroville Dam Feather River
Dworshak Reservoir 3,468,000 acre feet (4.278 km3) Idaho Dworshak Dam North Fork Clearwater River
Hungry Horse Reservoir 3,467,179 acre feet (4.276702 km3) Montana Hungry Horse Dam South Fork Flathead River
Theodore Roosevelt Lake 2,910,200 acre feet (3.5897 km3) Arizona Roosevelt Dam Salt River
Lake Ouachita 2,768,000 acre feet (3.414 km3) Arkansas Blakely Mountain Dam Ouachita River
Falcon International Reservoir 2,645,646 acre feet (3.263356 km3) Texas, Tamaulipas Falcon Dam Rio Grande
Lake Texoma 2,525,568 acre feet (3.115242 km3) Oklahoma, Texas Denison Dam Red River
Painted Rock Reservoir 2,491,700 acre feet (3.0735 km3) Arizona Painted Rock Dam Gila River
New Melones Lake 2,460,000 acre feet (3.03 km3) California New Melones Dam Stanislaus River
Trinity Lake 2,447,650 acre feet (3.01913 km3) California Trinity Dam Trinity River
Smith Mountain Lake 2,270,018 acre feet (2.800026 km3) Virginia Smith Mountain Dam Roanoke River
Eufaula Lake 2,099,000 acre feet (2.589 km3) Oklahoma Eufaula Dam Canadian River
Elephant Butte Reservoir 2,065,010 acre feet (2.54715 km3) New Mexico Elephant Butte Dam Rio Grande
Canyon Ferry Lake 2,051,000 acre feet (2.530 km3) Montana Canyon Ferry Dam Missouri River
San Luis Reservoir 2,041,000 acre feet (2.518 km3) California San Luis Dam Offstream/San Luis Creek
Don Pedro Reservoir 2,030,000 acre feet (2.50 km3) California New Don Pedro Dam Tuolumne River
Lake McConaughy 1,948,000 acre feet (2.403 km3) Nebraska Kingsley Dam North Platte River
Lake Sharpe 1,910,000 acre feet (2.36 km3) South Dakota Big Bend Dam Missouri River
Lake Mohave 1,818,300 acre feet (2.2428 km3) Nevada, Arizona Davis Dam Colorado River
Navajo Lake 1,708,600 acre feet (2.1075 km3) New Mexico Navajo Dam San Juan River
Riffe Lake 1,685,000 acre feet (2.078 km3) Washington Mossyrock Dam Cowlitz River
American Falls Reservoir 1,671,300 acre feet (2.0615 km3) Idaho American Falls Dam Snake River
Lake Berryessa 1,602,000 acre feet (1.976 km3) California Monticello Dam Putah Creek
Brownlee Reservoir 1,426,700 acre feet (1.7598 km3) Idaho, Oregon Brownlee Dam Snake River
Bighorn Lake 1,381,189 acre feet (1.703672 km3) Montana Yellowtail Dam Bighorn River
Lake Wallula 1,350,000 acre feet (1.67 km3) Oregon, Washington McNary Dam Columbia River
Banks Lake 1,297,153 acre feet (1.600015 km3) Washington Dry Falls Dam Offstream/Grand Coulee
Quabbin Reservoir 1,265,000 acre feet (1.560 km3) [6] Massachusetts Winsor Dam and Goodnough Dike Chicopee River
Lake McClure 1,032,000 acre feet (1.273 km3) California New Exchequer Dam Merced River
Seminoe Reservoir 1,017,279 acre feet (1.254795 km3) Wyoming Seminoe Dam North Platte River
Pathfinder Reservoir 1,016,000 acre feet (1.253 km3) Wyoming Pathfinder Dam North Platte River
Folsom Lake 1,010,000 acre feet (1.25 km3) California Folsom Dam American River
Pine Flat Lake 1,000,000 acre feet (1.2 km3) California Pine Flat Dam Kings River

Location map

Locations of the 10 largest reservoirs in the U.S.
Map showing locations of all reservoirs of more than 1,000,000 acre feet (1.2 km3)

References

  1. ^ "Hoover Dam Hydraulics & Hydrology". Boulder Canyon Project. U.S. Bureau of Reclamation. 2009-06-29. http://www.usbr.gov/projects/Facility.jsp?fac_Name=Hoover+Dam&groupName=Hydraulics+%26+Hydrology. Retrieved 2011-02-19. 
  2. ^ "Grand Coulee Dam Hydraulics & Hydrology". Columbia Basin Project. U.S. Bureau of Reclamation. 2009-06-29. http://www.usbr.gov/projects/Facility.jsp?fac_Name=Grand+Coulee+Dam&groupName=Hydraulics+%26+Hydrology. Retrieved 2011-02-19. 
  3. ^ "General Info". KentuckyLakeInfo.com. http://www.kentuckylakeinfo.com/kentucky/info.shtml. Retrieved 2011-02-19. 
  4. ^ "Amistad Dam and Powerplants". CRSP Management Center. Western Area Power Administration. http://www.wapa.gov/crsp/planprojectscrsp/amistadproj.html. Retrieved 2011-02-19. 
  5. ^ "Lake Facts". U.S. Army Corps of Engineers. 2011-02-12. http://www.nwk.usace.army.mil/ht/TheLake.cfm. Retrieved 2011-02-12. 
  6. ^ "History: Quabbin and Ware". Massachusetts Water Resources Authority. http://www.mwra.state.ma.us/04water/html/hist5.htm. Retrieved 2011-08-08.