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List of tallest dams in the United States facts for kids

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This is a list of the tallest dams in the United States. The main list includes all U.S. dams over 300 feet (91 m) tall, and a second list gives the tallest dams in each state. Dimensions given are for foundation height, not hydraulic height or head. Structures such as levees, dikes and tailings dams are not included in the lists. Decommissioned or failed dams, such as Teton Dam in Idaho, are included. Both lists are works in progress and will be updated periodically with new information. There are currently 75 entries on the main list.

Most of the U.S.'s taller dams are located in the west because of the steeper and more rugged topography. The tallest is Oroville Dam in northern California, a 770.5-foot (234.8 m) embankment dam completed in 1968. Five of the ten tallest dams in the U.S. are located in California. The Colorado, Columbia and SacramentoSan Joaquin river systems contain the greatest number of tall dams. In the eastern U.S., tall dams are less common because of the lesser vertical relief. The tallest dam in the eastern U.S. is 480-foot (150 m) Fontana Dam in North Carolina, which ranks 20th in height among all U.S. dams.

Key
daggerDam has been raised since initial construction

Tallest dams

Name State(s) Height Type River Coordinates Built
ft m
Oroville Dam  CA 770.5 234.8 Embankment Feather River 39°32′20″N 121°29′08″W / 39.53889°N 121.48556°W / 39.53889; -121.48556 (Oroville) 1968
Hoover Dam  AZ
 NV
726 221 Arch-gravity dam Colorado River 36°00′56″N 114°44′16″W / 36.01556°N 114.73778°W / 36.01556; -114.73778 (Hoover) 1936
Dworshak Dam  ID 717 219 Concrete gravity N.F. Clearwater River 46°30′54″N 116°17′49″W / 46.51500°N 116.29694°W / 46.51500; -116.29694 (Dworshak) 1973
Glen Canyon Dam  AZ 710 220 Concrete arch Colorado River 36°56′15″N 111°29′04″W / 36.93750°N 111.48444°W / 36.93750; -111.48444 (Glen Canyon) 1966
New Bullards Bar Dam  CA 645 197 Concrete arch N. Yuba River 39°23′36″N 121°08′35″W / 39.39333°N 121.14306°W / 39.39333; -121.14306 (New Bullards Bar) 1969
New Melones Dam  CA 625 191 Embankment Stanislaus River 37°56′50″N 120°31′41″W / 37.94722°N 120.52806°W / 37.94722; -120.52806 (New Melones) 1979
Mossyrock Dam  WA 606 185 Concrete arch Cowlitz River 46°32′04″N 122°25′34″W / 46.53444°N 122.42611°W / 46.53444; -122.42611 (Mossyrock) 1968
Shasta Dam  CA 602 183 Concrete gravity Sacramento River 40°43′07″N 122°25′08″W / 40.71861°N 122.41889°W / 40.71861; -122.41889 (Shasta) 1945
New Don Pedro Dam  CA 585 178 Embankment Tuolumne River 37°41′58″N 120°25′15″W / 37.69944°N 120.42083°W / 37.69944; -120.42083 (New Don Pedro) 1971
Hungry Horse Dam  MT 564 172 Concrete arch S.F. Flathead River 48°20′30″N 114°00′51″W / 48.34167°N 114.01417°W / 48.34167; -114.01417 (Hungry Horse) 1953
Grand Coulee Dam  WA 550 170 Concrete gravity Columbia River 47°57′21″N 118°58′54″W / 47.95583°N 118.98167°W / 47.95583; -118.98167 (Grand Coulee) 1942
Seven Oaks Dam  CA 550 170 Embankment Santa Ana River 34°08′45″N 117°03′45″W / 34.14583°N 117.06250°W / 34.14583; -117.06250 (Seven Oaks) 2000
Ross Dam  WA 540 160 Concrete arch Skagit River 48°43′54″N 121°04′02″W / 48.73167°N 121.06722°W / 48.73167; -121.06722 (Ross) 1949
Trinity Dam  CA 538 164 Embankment Trinity River 40°48′04″N 122°45′48″W / 40.80111°N 122.76333°W / 40.80111; -122.76333 (Trinity) 1962
Yellowtail Dam  MT 525 160 Concrete arch Bighorn River 45°18′24″N 107°57′29″W / 45.30667°N 107.95806°W / 45.30667; -107.95806 (Yellowtail Dam) 1967
Cougar Dam  OR 519 158 Embankment S.F. McKenzie River 44°07′44″N 122°14′25″W / 44.12889°N 122.24028°W / 44.12889; -122.24028 (Cougar Dam) 1964
Swift Dam  WA 512 156 Embankment Lewis River 46°04′47″N 122°11′52″W / 46.07972°N 122.19778°W / 46.07972; -122.19778 (Swift Dam) 1958
Flaming Gorge Dam  UT 502 153 Concrete arch Green River 40°54′52″N 109°25′17″W / 40.91444°N 109.42139°W / 40.91444; -109.42139 (Flaming Gorge) 1964
New Exchequer Dam  CA 490 150 Concrete-faced rockfill Merced River 37°35′10″N 120°16′10″W / 37.58611°N 120.26944°W / 37.58611; -120.26944 (New Exchequer) 1967
Fontana Dam  NC 480 150 Concrete gravity Little Tennessee River 35°27′08″N 83°48′17″W / 35.45222°N 83.80472°W / 35.45222; -83.80472 (Fontana Dam) 1944
Morrow Point Dam  CO 468 143 Concrete arch Gunnison River 36°27′07″N 107°32′17″W / 36.45194°N 107.53806°W / 36.45194; -107.53806 (Morrow Point) 1968
Detroit Dam  OR 463 141 Concrete gravity North Santiam River 44°43′15″N 122°14′59″W / 44.72083°N 122.24972°W / 44.72083; -122.24972 (Detroit Dam) 1953
Bath County Pumped Storage Station Upper Dam  VA 460 140 Embankment Little Back Creek 38°13′32″N 79°49′27″W / 38.22556°N 79.82417°W / 38.22556; -79.82417 (Bath County Pumped Storage Station) 1984
Anderson Ranch Dam  ID 456 139 Embankment S.F. Boise River 43°21′27″N 115°26′55″W / 43.35750°N 115.44861°W / 43.35750; -115.44861 (Anderson Ranch) 1950
Union Valley Dam  CA 453 138 Embankment Silver Creek 38°51′55″N 120°26′30″W / 38.86528°N 120.44167°W / 38.86528; -120.44167 (Union Valley Dam) 1963
Carters Dam  GA 445 136 Embankment Coosawattee River 34°36′55.4″N 84°40′26″W / 34.615389°N 84.67389°W / 34.615389; -84.67389 (Carters Dam) 1977
New Waddell Dam  AZ 440 130 Embankment Agua Fria River 33°50′49″N 112°15′58″W / 33.84694°N 112.26611°W / 33.84694; -112.26611 (New Waddell Dam) 1994
Pine Flat Dam  CA 440 130 Concrete gravity Kings River 36°49′56″N 119°19′34″W / 36.83222°N 119.32611°W / 36.83222; -119.32611 (Pine Flat Dam) 1954
Round Butte Dam  OR 440 130 Embankment Deschutes River 44°36′11″N 121°16′40″W / 44.60306°N 121.27778°W / 44.60306; -121.27778 (Round Butte Dam) 1964
Mud Mountain Dam  WA 432 132 Embankment White River 47°08′24″N 121°55′55″W / 47.14000°N 121.93194°W / 47.14000; -121.93194 (Mud Mountain Dam) 1948
O'Shaughnessy Dam  CA 430 130 Concrete arch Tuolumne River 37°56′51″N 119°47′17″W / 37.94750°N 119.78806°W / 37.94750; -119.78806 (O'Shaughnessy Dam) 1923
(1938)
Libby Dam  MT 422 129 Concrete gravity Kootenai River 48°24′42″N 115°18′34″W / 48.41167°N 115.30944°W / 48.41167; -115.30944 (Libby Dam) 1975
Brownlee Dam  ID
 OR
420 130 Embankment Snake River 44°50′10″N 116°54′00″W / 44.83611°N 116.90000°W / 44.83611; -116.90000 (Brownlee Dam) 1958
Owyhee Dam  OR 417 127 Concrete arch Owyhee River 43°38′31″N 117°14′33″W / 43.64194°N 117.24250°W / 43.64194; -117.24250 (Owyhee Dam) 1932
Mammoth Pool Dam  CA 411 125 Embankment San Joaquin River 37°19′23″N 119°18′58″W / 37.32306°N 119.31611°W / 37.32306; -119.31611 (Mammoth Pool Dam) 1959
Hell Hole Dam  CA 410 120 Embankment Rubicon River 39°03′26″N 120°24′32″W / 39.05722°N 120.40889°W / 39.05722; -120.40889 (Hell Hole Dam) 1966
Navajo Dam  NM 402 123 Embankment San Juan River 36°48′01″N 107°36′45″W / 36.80028°N 107.61250°W / 36.80028; -107.61250 (Navajo Dam) 1962
Blue Mesa Dam  CO 390 120 Embankment Gunnison River 38°27′02″N 107°20′06″W / 38.45056°N 107.33500°W / 38.45056; -107.33500 (Blue Mesa Dam) 1966
Summersville Dam  WV 390 120 Rockfill Gauley River 38°13′18″N 80°53′23″W / 38.22167°N 80.88972°W / 38.22167; -80.88972 (Summersville Dam) 1966
Diablo Dam  WA 389 119 Concrete arch Skagit River 48°42′51″N 121°07′52″W / 48.71417°N 121.13111°W / 48.71417; -121.13111 (Diablo Dam) 1930
Pyramid Dam  CA 386 118 Embankment Piru Creek 34°38′39″N 118°45′50″W / 34.64417°N 118.76389°W / 34.64417; -118.76389 (Pyramid Dam) 1970
Jocassee Dam  SC 385 117 Embankment Keowee River 34°57′35″N 82°55′02″W / 34.95972°N 82.91722°W / 34.95972; -82.91722 (Jocassee Dam) 1973
Pacoima Dam  CA 365 111 Variable radius arch Pacoima Creek 34°20′05″N 118°23′47″W / 34.33472°N 118.39639°W / 34.33472; -118.39639 (Pacoima) 1929
Theodore Roosevelt Dam  AZ 357 109 Concrete arch Salt River 33°40′18″N 111°09′40″W / 33.67167°N 111.16111°W / 33.67167; -111.16111 (Theodore Roosevelt Dam) 1911
(1996)
Arrowrock Dam  ID 350 110 Concrete arch Boise River 43°35′44″N 115°55′20″W / 43.59556°N 115.92222°W / 43.59556; -115.92222 (Arrowrock Dam) 1915
Buffalo Bill Dam  WY 350 110 Concrete arch Shoshone River 44°30′06″N 109°11′03″W / 44.50167°N 109.18417°W / 44.50167; -109.18417 (Buffalo Bill Dam) 1910
Jordanelle Dam  UT 345 105 Embankment Provo River 40°35′52″N 111°25′26″W / 40.59778°N 111.42389°W / 40.59778; -111.42389 (Jordanelle Dam) 1992
Pardee Dam  CA 345 105 Gravity Mokelumne River 38°15′27″N 120°51′01″W / 38.25750°N 120.85028°W / 38.25750; -120.85028 (Pardee) 1929
William L. Jess Dam  OR 345 105 Embankment Rogue River 42°40′17″N 122°40′30″W / 42.67139°N 122.67500°W / 42.67139; -122.67500 (William L. Jess Dam) 1976
Abiquiu Dam  NM 340 100 Embankment Rio Chama 36°14′17″N 106°25′33″W / 36.23806°N 106.42583°W / 36.23806; -106.42583 (Abiquiu Dam) 1963
(1986)
Boundary Dam  WA 340 100 Concrete arch-gravity Pend Oreille River 48°59′14″N 117°20′51″W / 48.98722°N 117.34750°W / 48.98722; -117.34750 (Boundary Dam) 1967
Castaic Dam  CA 340 100 Embankment Castaic Creek 34°31′09″N 118°36′25″W / 34.51917°N 118.60694°W / 34.51917; -118.60694 (Castaic Dam) 1973
Folsom Dam  CA 340 100 Concrete gravity,
embankment
American River 38°42′28″N 121°09′23″W / 38.70778°N 121.15639°W / 38.70778; -121.15639 (Folsom Dam) 1956
Lucky Peak Dam  ID 340 100 Embankment Boise River 43°31′42″N 116°03′11″W / 43.52833°N 116.05306°W / 43.52833; -116.05306 (Lucky Peak Dam) 1955
San Vicente Dam  CA 337 103 Roller-Compacted Concrete Off-stream 32°54′44″N 116°55′28″W / 32.91222°N 116.92444°W / 32.91222; -116.92444 (San Vicente Dam) 1943 (2014)
Ridgway Dam  CO 333 101 Embankment Uncompahgre River 38°14′15″N 107°45′33″W / 38.23750°N 107.75917°W / 38.23750; -107.75917 (Ridgway Dam) 1987
Salt Springs Dam  CA 332 101 Rock-fill North Fork Mokelumne River 38°29′54″N 120°12′58″W / 38.49833°N 120.21611°W / 38.49833; -120.21611 (Salt Springs) 1931
Alder Dam  WA 330 100 Concrete arch Nisqually River 46°48′05″N 122°18′37″W / 46.80139°N 122.31028°W / 46.80139; -122.31028 (Alder Dam) 1945
Hells Canyon Dam  ID
 OR
330 100 Concrete gravity Snake River 45°14′41″N 116°41′54″W / 45.24472°N 116.69833°W / 45.24472; -116.69833 (Hells Canyon Dam) 1967
Green Peter Dam  OR 327 100 Concrete gravity M. Santiam River 44°27′07″N 122°32′49″W / 44.45194°N 122.54694°W / 44.45194; -122.54694 (Green Peter Dam) 1967
Crystal Dam  CO 323 98 Concrete arch Gunnison River 38°30′38″N 107°37′31″W / 38.51056°N 107.62528°W / 38.51056; -107.62528 (Crystal Dam) 1976
Yale Dam  WA 323 98 Embankment Lewis River 45°57′51″N 122°19′57″W / 45.96417°N 122.33250°W / 45.96417; -122.33250 (Yale Dam) 1953
Parker Dam  AZ
 CA
320 98 Concrete arch Colorado River 34°17′47″N 114°08′21″W / 34.29639°N 114.13917°W / 34.29639; -114.13917 (Parker Dam) 1938
Tieton Dam  WA 319 97 Embankment Tieton River 46°39′23″N 121°07′46″W / 46.65639°N 121.12944°W / 46.65639; -121.12944 (Tieton Dam) 1925
Warm Springs Dam  CA 319 97 Rolled-earth embankment Dry Creek 38°43′06″N 123°00′46″W / 38.71833°N 123.01278°W / 38.71833; -123.01278 (Warm Springs) 1982
Friant Dam  CA 319 97 Concrete gravity San Joaquin River 37°00′02″N 119°42′19″W / 37.00056°N 119.70528°W / 37.00056; -119.70528 (Friant Dam) 1942
Olivenhain Dam  CA 318 97 Concrete gravity off-stream 33°04′13″N 117°08′17″W / 33.07028°N 117.13806°W / 33.07028; -117.13806 (Olivenhain) 2003
Watauga Dam  TN 318 97 Rockfill Watauga River 36°19′25″N 82°07′22″W / 36.32361°N 82.12278°W / 36.32361; -82.12278 (Watauga Dam) 1948
Donnells Dam  CA 317 97 Concrete arch Middle Fork Stanislaus River 38°19′50″N 119°57′38″W / 38.33056°N 119.96056°W / 38.33056; -119.96056 (Donnells Dam) 1958
Cherry Valley Dam  CA 315 96 Earth and rock Cherry Creek 37°58′34″N 119°54′33″W / 37.97611°N 119.90917°W / 37.97611; -119.90917 (Cherry Valley) 1956
Courtright Dam  CA 315 96 Rock-fill Helms Creek 37°04′44″N 118°58′12″W / 37.07889°N 118.97000°W / 37.07889; -118.97000 (Courtright) 1958
San Gabriel Dam  CA 315 96 Embankment San Gabriel River 34°12′20″N 117°52′33″W / 34.20556°N 117.87583°W / 34.20556; -117.87583 (San Gabriel Dam) 1939
Merwin Dam  WA 313 95 Concrete arch Lewis River 45°57′24″N 122°33′18″W / 45.95667°N 122.55500°W / 45.95667; -122.55500 (Merwin Dam) 1931
Upper Stillwater Dam  UT 310 94 Concrete gravity Rock Creek 40°33′35″N 110°41′59″W / 40.55972°N 110.69972°W / 40.55972; -110.69972 (Upper Stillwater Dam) 1987
Bartlett Dam  AZ 309 94 Multiple arch buttress Verde River 33°49′05″N 111°37′54″W / 33.81806°N 111.63167°W / 33.81806; -111.63167 (Bartlett Dam) 1939
Green Mountain Dam  CO 309 94 Embankment Blue River 39°52′39″N 106°19′49″W / 39.87750°N 106.33028°W / 39.87750; -106.33028 (Green Mountain Dam) 1942
Horse Mesa Dam  AZ 305 93 Concrete arch Salt River 33°35′27″N 111°20′38″W / 33.59083°N 111.34389°W / 33.59083; -111.34389 (Horse Mesa Dam) 1927
San Luis Dam  CA 305 93 Embankment San Luis Creek 37°03′33″N 121°04′29″W / 37.05917°N 121.07472°W / 37.05917; -121.07472 (San Luis Dam) 1967
Teton Dam  ID 305 93 Embankment Teton River 43°54′35″N 111°32′31″W / 43.90972°N 111.54194°W / 43.90972; -111.54194 (Teton Dam) 1976
Monticello Dam  CA 304 93 Concrete arch Putah Creek 38°30′47″N 122°06′15″W / 38.51306°N 122.10417°W / 38.51306; -122.10417 (Monticello Dam) 1957
Elephant Butte Dam  NM 301 92 Concrete gravity Rio Grande 33°09′14″N 107°11′32″W / 33.15389°N 107.19222°W / 33.15389; -107.19222 (Elephant Butte Dam) 1916
Gorge Dam  WA 300 91 Concrete gravity Skagit River 48°41′52″N 121°12′30″W / 48.69778°N 121.20833°W / 48.69778; -121.20833 (Gorge Dam) 1924
Smith Lake Dam  AL 300 91 Embankment Sipsey Fork 33°56′31″N 87°06′21″W / 33.94194°N 87.10583°W / 33.94194; -87.10583 (Smith Lake Dam) 1961

Tallest dams by state

State Name Height Type River Coordinates Built
ft m
 Alabama Smith Lake Dam 300 91 Embankment Sipsey Fork 33°56′31″N 87°06′21″W / 33.94194°N 87.10583°W / 33.94194; -87.10583 (Smith Lake Dam) 1961
 Alaska Green Lake Dam 210 64 Concrete arch Vodopad River 56°59′08″N 135°06′48″W / 56.98556°N 135.11333°W / 56.98556; -135.11333 (Green Lake Dam)
 Arizona Hoover Dam 726 221 Concrete arch Colorado River 36°00′56″N 114°44′16″W / 36.01556°N 114.73778°W / 36.01556; -114.73778 (Hoover Dam) 1936
 Arkansas Bull Shoals Dam 256 78 Concrete gravity White River (Arkansas) 36°21′58″N 92°34′29″W / 36.36611°N 92.57472°W / 36.36611; -92.57472 (Bull Shoals Dam) 1951
 California Oroville Dam 770 230 Embankment Feather River 39°32′20″N 121°29′08″W / 39.53889°N 121.48556°W / 39.53889; -121.48556 (Oroville Dam) 1968
 Colorado Morrow Point Dam 468 143 Concrete arch Gunnison River 36°27′07″N 107°32′17″W / 36.45194°N 107.53806°W / 36.45194; -107.53806 (Morrow Point Dam) 1968
 Connecticut Colebrook River Dam 215 66 Embankment Farmington River 42°00′22″N 73°02′12″W / 42.00611°N 73.03667°W / 42.00611; -73.03667 (Colebrook River Dam) 1969
 Delaware Edgar M. Hoopes Dam 135 41 Concrete gravity Old Mill Stream 39°46′27″N 75°38′03″W / 39.77417°N 75.63417°W / 39.77417; -75.63417 (Edgar M. Hoopes Dam) 1932
 Florida Jim Woodruff Dam 92 28 Concrete gravity Apalachicola River 30°42′30″N 84°51′50″W / 30.70833°N 84.86389°W / 30.70833; -84.86389 (Jim Woodruff Dam) 1952
 Georgia Carters Dam 445 136 Embankment Coosawattee River 34°36′55″N 84°40′26″W / 34.61528°N 84.67389°W / 34.61528; -84.67389 (Carters Dam) 1977
 Hawaii Alexander Dam 113 34 Embankment Wahiawa Stream 21°57′30″N 159°31′32″W / 21.95833°N 159.52556°W / 21.95833; -159.52556 (Alexander Dam) 1931
 Idaho Dworshak Dam 717 219 Concrete gravity N.F. Clearwater River 46°30′54″N 116°17′49″W / 46.51500°N 116.29694°W / 46.51500; -116.29694 (Dworshak Dam) 1973
 Illinois Lake Shelbyville Dam 138 42 Embankment Kaskaskia River 39°24′33″N 88°46′50″W / 39.40917°N 88.78056°W / 39.40917; -88.78056 (Lake Shelbyville Dam) 1970
 Indiana Brookville Lake Dam 181 55 Embankment Whitewater River 39°26′23″N 84°59′56″W / 39.43972°N 84.99889°W / 39.43972; -84.99889 (Brookville Lake Dam) 1974
 Iowa Coralville Dam 132 40 Embankment Iowa River 41°43′28″N 91°31′47″W / 41.72444°N 91.52972°W / 41.72444; -91.52972 (Coralville Dam) 1958
 Kansas Cedar Bluff Dam 202 62 Embankment Smoky Hill River 38°47′12″N 99°43′17″W / 38.78667°N 99.72139°W / 38.78667; -99.72139 (Cedar Bluff Dam) 1952
 Kentucky Dix River Dam 287 87 Rockfill Dix River 37°47′08″N 84°42′14″W / 37.78556°N 84.70389°W / 37.78556; -84.70389 (Dix River Dam) 1925
 Louisiana Toledo Bend Dam 110 34 Embankment Sabine River 31°10′25″N 93°33′57″W / 31.17361°N 93.56583°W / 31.17361; -93.56583 (Toledo Bend Dam) 1969
 Maine Harris Station Dam 175 53 Concrete gravity Kennebec River 45°27′37″N 69°51′55″W / 45.46028°N 69.86528°W / 45.46028; -69.86528 (Harris Station Dam) 1955
 Maryland Conowingo Dam 175 53 Concrete gravity Susquehanna River 39°39′36″N 76°10′26″W / 39.66000°N 76.17389°W / 39.66000; -76.17389 (Conowingo Dam) 1929
 Massachusetts Wachusett Dam 205 62 Concrete gravity Nashua River 42°24′13″N 71°41′16″W / 42.40361°N 71.68778°W / 42.40361; -71.68778 (Wachusett Dam) 1905
 Michigan Hardy Dam 120 37 Earthfill Muskegon River 43°29′18″N 85°37′56″W / 43.48833°N 85.63222°W / 43.48833; -85.63222 (Hardy Dam) 1931
 Minnesota Rapidan Dam 87 27 Concrete Gravity Blue Earth River 44°05′34″N 94°06′31″W / 44.092727°N 94.108662°W / 44.092727; -94.108662 (Rapidan Dam) 1908
 Mississippi Sardis Dam 117 36 Earthfill Little Tallahatchie River 34°24′31″N 89°47′46″W / 34.40861°N 89.79611°W / 34.40861; -89.79611 (Sardis Dam) 1940
 Missouri Table Rock Dam 220 67 Concrete gravity White River 36°34′00″N 93°18′0″W / 36.56667°N 93.30000°W / 36.56667; -93.30000 (Table Rock Dam) 1958
 Montana Hungry Horse Dam 564 172 Concrete arch S.F. Flathead River 48°20′30″N 114°00′51″W / 48.34167°N 114.01417°W / 48.34167; -114.01417 (Hungry Horse Dam) 1953
 Nebraska Medicine Creek Dam 165 50 Earthfill Medicine Creek 40°22′44″N 100°13′08″W / 40.37889°N 100.21889°W / 40.37889; -100.21889 (Medicine Creek Dam) 1949
 Nevada Hoover Dam 726 221 Concrete arch Colorado River 36°00′56″N 114°44′16″W / 36.01556°N 114.73778°W / 36.01556; -114.73778 (Hoover Dam) 1936
 New Hampshire Moore Dam 178 54 Embankment Connecticut River 34°36′55″N 84°40′26″W / 34.61528°N 84.67389°W / 34.61528; -84.67389 (Moore Dam) 1957
 New Jersey Merrill Creek Dam 280 85 Embankment Merrill Creek 40°43′34″N 75°06′10″W / 40.72611°N 75.10278°W / 40.72611; -75.10278 (Merrill Creek Dam) 1987
 New Mexico Navajo Dam 402 123 Embankment San Juan River 36°48′01″N 107°36′45″W / 36.80028°N 107.61250°W / 36.80028; -107.61250 (Navajo Dam) 1962
 New York Lewiston Dam 389 119 Concrete gravity Niagara River 43°08′35″N 79°02′23″W / 43.14306°N 79.03972°W / 43.14306; -79.03972 (Lewiston Dam) 1963
 North Carolina Fontana Dam 480 150 Concrete gravity Little Tennessee River 35°27′08″N 83°48′17″W / 35.45222°N 83.80472°W / 35.45222; -83.80472 (Fontana Dam) 1944
 North Dakota Garrison Dam 210 64 Embankment Missouri River 47°29′55″N 101°24′43″W / 47.49861°N 101.41194°W / 47.49861; -101.41194 (Garrison Dam) 1953
 Ohio William Harsha Dam 205 62 Rockfill East Fork Little Miami River 39°01′21″N 84°09′01″W / 39.02250°N 84.15028°W / 39.02250; -84.15028 (William Harsha Dam) 1973
 Oklahoma Broken Bow Dam 225 69 Embankment Mountain Fork River 34°08′44″N 94°41′08″W / 34.14556°N 94.68556°W / 34.14556; -94.68556 (Broken Bow Dam) 1968
 Oregon Cougar Dam 519 158 Embankment S.F. McKenzie River 44°07′44″N 122°14′25″W / 44.12889°N 122.24028°W / 44.12889; -122.24028 (Cougar Dam) 1964
 Pennsylvania Raystown Dam 190 58 Earthfill Raystown Branch Juniata River 40°26′01″N 78°00′24″W / 40.43361°N 78.00667°W / 40.43361; -78.00667 (Raystown Dam) 1973
 Rhode Island Scituate Reservoir Dam 100 30 Earthfill North Branch Pawtuxet River 41°45′N 71°35′W / 41.750°N 71.583°W / 41.750; -71.583 (Scituate Reservoir Dam) 1921
 South Carolina Jocassee Dam 385 117 Embankment Keowee River 34°57′35″N 82°55′02″W / 34.95972°N 82.91722°W / 34.95972; -82.91722 (Jocassee Dam) 1973
 South Dakota Oahe Dam 245 75 Embankment Missouri River 44°27′04″N 100°24′08″W / 44.45111°N 100.40222°W / 44.45111; -100.40222 (Oahe Dam) 1962
 Tennessee Watauga Dam 318 97 Rockfill Watauga River 36°19′25″N 82°07′22″W / 36.32361°N 82.12278°W / 36.32361; -82.12278 (Watauga Dam) 1948
 Texas Mansfield Dam 278 85 Concrete gravity Colorado River (Texas) 30°23′30″N 97°54′26″W / 30.39167°N 97.90722°W / 30.39167; -97.90722 (Mansfield Dam) 1941
 Utah Flaming Gorge Dam 502 153 Concrete arch Green River (Colorado River) 40°54′52″N 109°25′17″W / 40.91444°N 109.42139°W / 40.91444; -109.42139 (Flaming Gorge Dam) 1964
 Vermont Moore Dam 178 54 Embankment Connecticut River 34°36′55″N 84°40′26″W / 34.61528°N 84.67389°W / 34.61528; -84.67389 (Moore Dam) 1957
 Virginia Bath County Pumped Storage Station Upper Dam 460 140 Embankment Little Back Creek 38°13′32″N 79°49′27″W / 38.22556°N 79.82417°W / 38.22556; -79.82417 (Bath County Pumped Storage Station) 1984
 Washington Mossyrock Dam 606 185 Concrete arch Cowlitz River 46°32′04″N 122°25′34″W / 46.53444°N 122.42611°W / 46.53444; -122.42611 (Mossyrock Dam) 1968
 West Virginia Summersville Dam 390 120 Rockfill Gauley River 38°13′18″N 80°53′23″W / 38.22167°N 80.88972°W / 38.22167; -80.88972 (Summersville Dam) 1966
 Wisconsin
 Wyoming Buffalo Bill Dam 350 110 Concrete arch Shoshone River 44°30′06″N 109°11′03″W / 44.50167°N 109.18417°W / 44.50167; -109.18417 (Buffalo Bill Dam) 1910

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