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Geography Home Browse by State Browse by Feature Definitions Top 10 |
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Geography Home Browse by State Browse by Feature Definitions Top 10 |
Idaho Dam
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Feature Name
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County
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Latitude
|
Longitude
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| Albeni Falls Dam | Bonner | 48.18 | -117 |
| Alexander Dam | Caribou | 42.645 | -111.69556 |
| American Falls Dam | Power | 42.78083 | -112.87472 |
| Anderson Ranch Dam | Elmore | 43.3575 | -115.44778 |
| Andreason Number Three Dam | Franklin | 42.325 | -111.75833 |
| Ansley Dam | Boundary | 48.81167 | -116.32 |
| Arcadia-Lower Dam | Fremont | 44.135 | -111.58833 |
| Arcadia-Upper Dam | Fremont | 44.14222 | -111.595 |
| Armstrong Dam | Lemhi | 44.82667 | -113.72333 |
| Arrowrock Dam | Boise | 43.59556 | -115.92139 |
| Ashton Dam | Fremont | 44.07889 | -111.49556 |
| Bar D Dam | Custer | 44.44 | -114.13333 |
| Barber Dam | Ada | 43.56083 | -116.12028 |
| Barton Dam | Washington | 44.32 | -116.92167 |
| Beal Number Three Dam | Valley | 44.22833 | -116.135 |
| Beker Tailings Number Three Dam | Caribou | 42.74167 | -111.55167 |
| Bettis Dam | Payette | 44.08333 | -116.56333 |
| Bettis Number Three Dam | Payette | 44.06 | -116.555 |
| Bettis Number Two Dam | Payette | 44.06167 | -116.535 |
| Big Blue Creek Dam | Owyhee | 42.30833 | -116.18167 |
| Billings Dam | Owyhee | 42.05167 | -115.77333 |
| Billy Creek Dam | Lemhi | 45.14667 | -113.94333 |
| Birch Creek Dam | Bonneville | 43.33667 | -111.79167 |
| Black Canyon Dam | Gem | 43.93056 | -116.43556 |
| Blackbird Tailings Dam | Lemhi | 45.105 | -114.30667 |
| Blackfoot Dam | Caribou | 43.00472 | -111.71639 |
| Blackfoot-Equalizing Dam | Bingham | 43.16667 | -112.29667 |
| Blacks Creek Dam | Ada | 43.4625 | -116.14444 |
| Blanchard Creek Dam | Bonner | 48.005 | -117.00167 |
| Bliss Dam | Gooding | 42.91361 | -115.06917 |
| Blue Creek Number Four Dam | Fremont | 44.20222 | -111.61444 |
| Blue Creek Number One Dam | Fremont | 44.21667 | -111.61333 |
| Blue Creek Number Two Dam | Fremont | 44.21167 | -111.61 |
| Boggeman Dam | Lemhi | 44.86167 | -114.45167 |
| Bohannon Dam | Lemhi | 45.22833 | -113.66833 |
| Bohn Dam | Bonneville | 43.34833 | -111.81 |
| Boise Diversion Dam | Ada | 43.53833 | -116.09333 |
| Boulder Lake Dam | Valley | 44.86778 | -115.94556 |
| Boulder Meadow Dam | Valley | 44.86917 | -115.96972 |
| Box Lake Dam | Valley | 45.025 | -115.98167 |
| Brace Dam | Owyhee | 42.35333 | -116.70667 |
| Bray Lake Dam | Gooding | 43.03333 | -114.87667 |
| Brown Dam | Owyhee | 43.49167 | -117 |
| Browns Pond Dam | Valley | 44.91667 | -115.96333 |
| Bruce Dam | Washington | 44.42167 | -116.53667 |
| Brundage Dam | Adams | 45.04167 | -116.13028 |
| Buckaroo Dam | Owyhee | 42.78 | -115.71361 |
| Bunker Hill Tailings Number One Dam | Shoshone | 47.53833 | -116.155 |
| Bunker Hill Tailings Number Three Dam | Shoshone | 47.55167 | -116.145 |
| Bunker Hill Tailings Number Two Dam | Shoshone | 47.53667 | -116.14667 |
| Burton Dam | Owyhee | 42.59167 | -116.62 |
| Buster Lake Dam | Custer | 44.44 | -114.415 |
| Bybee Dam | Owyhee | 42.26056 | -116.26222 |
| C Ben Ross Dam | Adams | 44.52278 | -116.44667 |
| C J Strike Dam | Owyhee | 42.94833 | -115.97417 |
| Cabinet Gorge Dam | Bonner | 48.08667 | -116.06333 |
| Callender Dam | Valley | 44.55444 | -115.99417 |
| Campbell Dam | Blaine | 43.475 | -114.00167 |
| Cascade Dam | Valley | 44.52417 | -116.04972 |
| Casperson Dam | Franklin | 42.24333 | -111.88333 |
| Cedar Creek Dam | Twin Falls | 42.22417 | -114.87889 |
| Cedar Creek Holding Dam | Twin Falls | 42.34167 | -114.91167 |
| Challis Creek Dam | Custer | 44.55333 | -114.51333 |
| Cherry Dam | Fremont | 44.12667 | -111.35833 |
| Chilco Dam | Kootenai | 47.86333 | -116.73167 |
| China Cap Dam | Caribou | 42.84333 | -111.60333 |
| Clarendon Hot Springs Dam | Blaine | 43.55833 | -114.41167 |
| Clayton Mine Number One-Upper Dam | Custer | 44.285 | -114.40833 |
| Clayton Mine Number Two-Lower Dam | Custer | 44.28333 | -114.40667 |
| Clear Lake Dam | Gooding | 42.66833 | -114.77667 |
| Cocolalla Creek Fish Weir | Bonner | 48.16306 | -116.65 |
| Conda Site Tailings Dam | Caribou | 42.73 | -111.53333 |
| Condie Dam | Franklin | 42.20833 | -111.87167 |
| Copper Cliffs Tailings Dam | Adams | 45.09667 | -116.67833 |
| Corral Creek Dam | Valley | 44.46306 | -115.92778 |
| Courtright Dam | Washington | 44.48 | -116.53667 |
| Cove Dam | Caribou | 42.53167 | -111.795 |
| Cow Creek Dam | Elmore | 43.3425 | -115.09167 |
| Craig Dam | Washington | 44.32 | -116.54167 |
| Crane Creek Dam | Washington | 44.35694 | -116.61583 |
| Cross Cut Diversion Dam | Fremont | 44.01833 | -111.58333 |
| Crowther Dam | Oneida | 42.205 | -112.25667 |
| Cummings Dam | Lemhi | 45.47833 | -114.04 |
| Curlew Valley Dam | Oneida | 42.075 | -112.54167 |
| Current Creek Dam | Bannock | 42.33333 | -111.84333 |
| Daniels Dam | Oneida | 42.34528 | -112.44306 |
| Davis Dam | Valley | 44.52139 | -115.99111 |
| Day Mine Tailings Dam | Shoshone | 47.525 | -115.89167 |
| Deadwood Dam | Valley | 44.29333 | -115.645 |
| Deep Creek Dam | Oneida | 42.21111 | -112.17167 |
| Deep Creek Number One Dam | Twin Falls | 42.3 | -114.62833 |
| Deep Creek Number Two Dam | Twin Falls | 42.27833 | -114.61528 |
| Deer Flat-Lower Dam | Canyon | 43.58333 | -116.73667 |
| Deer Flat-Middle Dam | Canyon | 43.59333 | -116.71333 |
| Deer Flat-Upper Dam | Canyon | 43.56 | -116.65833 |
| Delamar Tailings Dam | Owyhee | 43.02 | -116.83 |
| Devil Creek Dam | Oneida | 42.29 | -112.20667 |
| Dewey Dam | Cassia | 42.50167 | -113.51667 |
| Diamond A Dam | Owyhee | 42.095 | -115.575 |
| Dog Creek Dam | Gooding | 43.025 | -114.74333 |
| Dry Wash Dam | Camas | 43.25 | -114.49333 |
| Dworshak Dam | Clearwater | 46.515 | -116.29583 |
| Easterday Dam | Twin Falls | 42.595 | -114.91 |
| Eld Dam | Valley | 44.705 | -116 |
| Elk River Dam | Clearwater | 46.76917 | -116.16639 |
| Elkhorn Dam | Oneida | 42.30722 | -112.41361 |
| Ellsworth-Lower Dam | Lemhi | 44.83833 | -113.56333 |
| Ellsworth-Middle Dam | Lemhi | 44.85833 | -116.55 |
| Ellsworth-Upper Dam | Lemhi | 44.88833 | -113.53333 |
| Empire Mine Number One - Upper Dam | Custer | 43.89167 | -113.67 |
| Empire Mine Number Two Dam | Custer | 43.89333 | -113.65833 |
| Enders Dam | Caribou | 42.93 | -111.44167 |
| Erickson Dam | Boundary | 48.645 | -116.25833 |
| Fairchild Dam | Washington | 44.46333 | -116.90667 |
| Felt Dam | Teton | 43.90778 | -111.28389 |
| Fife Dam | Bear Lake | 42.41 | -111.48667 |
| Fish Creek Dam | Blaine | 43.42306 | -113.83167 |
| Five Mile Erosion Control Dam | Franklin | 42.11833 | -111.96167 |
| Foland Dam | Owyhee | 42.62167 | -116.99 |
| Foreman Dam | Owyhee | 43.02167 | -116.33083 |
| Foster Dam | Franklin | 42.12472 | -111.8425 |
| Four Corners Dam | Owyhee | 42.40833 | -116.10472 |
| Francis Dam | Elmore | 43.34 | -115.13 |
| Fraser Dam (historical) | Elmore | 43.14028 | -115.89278 |
| Galena Mill Number One-Upper Dam | Shoshone | 47.48333 | -115.96167 |
| Galena Mill Number Three-Lower Dam | Shoshone | 47.48333 | -115.96 |
| Galena Mill Number Two-Middle Dam | Shoshone | 47.48333 | -115.96167 |
| Galloway Dam | Washington | 44.25083 | -116.77389 |
| Gardiner-Lower Dam | Bear Lake | 42.305 | -111.11333 |
| Gardiner-Upper Dam | Bear Lake | 42.30667 | -111.12 |
| Gatfield Number Two Dam | Gem | 43.92 | -116.28833 |
| Geertson Dam | Lemhi | 45.23833 | -113.66667 |
| Glendale Dam | Franklin | 42.12833 | -111.81 |
| Glenn Gallant Dam | Adams | 44.63 | -116.545 |
| Goose Lake Dam | Adams | 45.07 | -116.16833 |
| Gorley Creek Dam | Lemhi | 45.12833 | -113.925 |
| Grace Dam | Caribou | 42.58833 | -111.72833 |
| Granite Creek Dam | Bonneville | 43.48 | -111.49333 |
| Granite Lake Dam | Valley | 45.10167 | -116.08 |
| Grasmere Dam | Owyhee | 42.36333 | -115.90833 |
| Grays Lake Dam | Bonneville | 43.125 | -111.49 |
| Groefsema Dam | Elmore | 43.10167 | -115.635 |
| Hagberry Dam | Owyhee | 42.60139 | -116.68972 |
| Hait-Upper Dam | Valley | 44.84167 | -116.17333 |
| Hall Dam | Elmore | 43.11167 | -115.49972 |
| Hammond Dam | Bear Lake | 42.25917 | -111.46667 |
| Hancock Dam | Adams | 44.905 | -116.21528 |
| Hardesty-Cherry Creek Dam | Owyhee | 42.65694 | -117.0025 |
| Hardisty And Wilson Dam | Owyhee | 42.6475 | -116.95306 |
| Harris Dam | Owyhee | 42.77639 | -115.71722 |
| Haw Creek Dam | Gem | 43.95833 | -116.48 |
| Hawkins Dam | Bannock | 42.51 | -112.33139 |
| Hayden Lake Dam | Kootenai | 47.75028 | -116.75722 |
| Heil Dam | Twin Falls | 42.20833 | -115 |
| Hells Canyon Dam | Adams | 45.23333 | -116.7 |
| Henrys Lake Dam | Fremont | 44.59722 | -111.3525 |
| Herrick Dam | Valley | 44.37667 | -115.97917 |
| Hidden Lake Dam | Valley | 44.24667 | -116.19167 |
| Hinkley Dam | Franklin | 42.02167 | -111.87167 |
| Hobo Creek Splash Dam | Shoshone | 47.09611 | -116.10056 |
| Hoffman And Duffy Dam | Elmore | 43.18667 | -115.58833 |
| Holbrook Dam | Valley | 44.245 | -116.13667 |
| Hollenbeak Dam | Valley | 44.84167 | -116.04333 |
| Hoodoo Mine Number One Dam | Custer | 44.16833 | -114.62333 |
| Hornet Creek-Lower Dam | Washington | 44.79833 | -116.725 |
| Hornet Creek-Upper Dam | Washington | 44.79778 | -116.73194 |
| Horsethief Basin Dam | Valley | 44.50556 | -115.92083 |
| Hot Springs Number Two Dam | Elmore | 43.0825 | -115.49806 |
| Howard Dam | Blaine | 43.43833 | -113.97833 |
| Hubbard Dam | Ada | 43.51667 | -116.35833 |
| Hughes Dam | Valley | 44.77861 | -116.02 |
| Hulet Dam | Owyhee | 43.09278 | -116.54333 |
| Icehouse Creek Dam | Fremont | 44.455 | -111.60333 |
| Idaho Diversion Dam | Jefferson | 43.63333 | -112.05833 |
| Island Park Dam | Fremont | 44.41944 | -111.39556 |
| Jemima K Dam | Valley | 44.575 | -116.00667 |
| Jenkins Creek Dam | Washington | 44.35611 | -116.99056 |
| Johns Creek Dam | Idaho | 45.88 | -116.14167 |
| Johnson Dam | Franklin | 42.10833 | -111.805 |
| Josephine Creek Dam | Owyhee | 42.75667 | -116.68 |
| Jug Creek Dam | Valley | 44.84167 | -116 |
| Juniper Creek Dam | Owyhee | 42.62333 | -116.95 |
| Jussila-Bow Dam | Valley | 44.82333 | -116.03667 |
| Kelly Dam | Camas | 43.30667 | -114.61861 |
| King Dam | Owyhee | 43.28167 | -116.95833 |
| Knox Meadow Dam | Valley | 44.89889 | -116.03167 |
| Koskella Dam | Valley | 44.66833 | -116.02333 |
| Lake Cleveland Dam | Cassia | 42.32306 | -113.64667 |
| Lamb-Weston Dam | Power | 42.74167 | -112.94667 |
| Lamont Dam | Franklin | 42.105 | -111.81556 |
| Land Dam | Washington | 44.32 | -116.53667 |
| Last Chance Dam | Caribou | 42.60722 | -111.70556 |
| Le Fevre Dam | Franklin | 42.02833 | -111.81833 |
| Leatham Dam | Madison | 43.70833 | -111.66 |
| Lemhi River Weir | Lemhi | 44.72917 | -113.43333 |
| Linderman Dam | Teton | 43.92806 | -111.38472 |
| Little Blue Creek Dam | Owyhee | 42.2925 | -116.12111 |
| Little Camas Dam | Elmore | 43.35278 | -115.38472 |
| Little Canyon Dam | Elmore | 43.00389 | -115.33222 |
| Little Crane Creek Dam | Washington | 44.37694 | -116.6625 |
| Little Dam | Gem | 44.01833 | -116.5 |
| Little Valley Dam | Bonneville | 43.09306 | -111.52083 |
| Little Wood Dam | Blaine | 43.425 | -114.02639 |
| Lone Tree Dam | Owyhee | 42.89833 | -117.005 |
| Long Tom Dam | Elmore | 43.28611 | -115.57778 |
| Lost Valley Dam | Adams | 44.95667 | -116.46583 |
| Louie Lake Dam | Valley | 44.85472 | -115.96528 |
| Louisa Creek Dam | Owyhee | 42.75333 | -116.615 |
| Lower Idaho Falls Dam | Bonneville | 43.47167 | -112.06 |
| Lower Salmon Falls Dam | Gooding | 42.84167 | -114.90667 |
| Lucky Friday Number One Dam | Shoshone | 47.465 | -115.805 |
| Lucky Friday Number Three Dam | Shoshone | 47.46667 | -115.75833 |
| Lucky Peak Dam | Ada | 43.52833 | -116.05222 |
| MacKay Dam | Custer | 43.95333 | -113.67333 |
| Mann Creek Dam | Washington | 44.39222 | -116.89472 |
| Marble Creek Splash Dam | Shoshone | 47.20333 | -116.0575 |
| McArthur Dam | Boundary | 48.52 | -116.44167 |
| McHan Dam | Camas | 43.23306 | -114.65861 |
| McMullen Creek Dam | Twin Falls | 42.41167 | -114.425 |
| Middle Idaho Falls Dam | Bonneville | 43.49667 | -112.04167 |
| Mikesell Number One - Lower Dam | Fremont | 44.125 | -111.57556 |
| Mikesell Number Two - Upper Dam | Fremont | 44.12611 | -111.58194 |
| Mill Creek Lake Dam | Lemhi | 44.65611 | -113.65667 |
| Milner Dam | Twin Falls | 42.52444 | -114.00889 |
| Minidoka Dam | Cassia | 42.66833 | -113.48417 |
| Molony Dam | Valley | 44.87667 | -115.90833 |
| Monroe Dam | Washington | 44.40333 | -116.985 |
| Montpelier Creek Dam | Bear Lake | 42.34917 | -111.17361 |
| Moore Diversion | Butte | 43.78639 | -113.35833 |
| Moose Creek Dam | Latah | 46.87361 | -116.41861 |
| Mormon Dam | Camas | 43.28083 | -114.79917 |
| Morrison Dam | Franklin | 42 | -111.80333 |
| Mosquito Flat Dam | Custer | 44.52194 | -114.43333 |
| Mountain Home Dam | Elmore | 43.15444 | -115.66 |
| Mountain View Dam | Owyhee | 42.05556 | -116.16833 |
| Moyie Dam | Boundary | 48.73333 | -116.17333 |
| Mud Lake Dam | Jefferson | 43.87333 | -112.40667 |
| Munsee Dam | Twin Falls | 42.58 | -114.925 |
| Murtaugh Lake Dam | Twin Falls | 42.46944 | -114.16722 |
| Nash Dam | Franklin | 42.09167 | -111.98333 |
| Nettleton Dam | Owyhee | 42.845 | -116.6 |
| Nicholson Dam | Ada | 43.41 | -116.31667 |
| Nielson Dam | Franklin | 42.075 | -111.97 |
| Nixon Number One Dam | Boundary | 48.77444 | -116.26083 |
| Nixon Number Two Dam | Boundary | 48.77167 | -116.26333 |
| Nougue Dam | Owyhee | 42.075 | -116.96667 |
| Oakley Dam | Cassia | 42.19667 | -113.91611 |
| Olson Dam | Elmore | 43.26167 | -115.13333 |
| Oneida Dam | Franklin | 42.27611 | -111.74889 |
| Orchard Dam | Ada | 43.38833 | -116.01667 |
| Osborn Tailings Dam | Shoshone | 47.49333 | -115.98333 |
| Outlet Dam | Bonner | 48.49056 | -116.90278 |
| Oxbow Dam | Adams | 44.96833 | -116.84167 |
| Oxford Dam | Franklin | 42.2825 | -112.00917 |
| Pacific Land Company Dam | Owyhee | 43.18667 | -116.41667 |
| Paddock Valley Dam | Washington | 44.19806 | -116.59778 |
| Paine Creek Dam | Owyhee | 42.25472 | -116.08722 |
| Palisades Dam | Bonneville | 43.33278 | -111.20167 |
| Park Dam | Clark | 44.15167 | -112.50833 |
| Patterson Dam | Lincoln | 43.12333 | -114.53167 |
| Paul Dam | Clark | 44.46306 | -112.33611 |
| Payette Lake Dam | Valley | 44.91167 | -116.125 |
| Pershall Dam | Owyhee | 42.79667 | -116.90333 |
| Pettit Lake Fish Barrier Dam | Blaine | 43.98333 | -114.86222 |
| Pioneer Dam | Gooding | 42.995 | -115.06333 |
| Pitkin Dam | Valley | 44.39556 | -115.97389 |
| Pops Dam | Fremont | 44.10833 | -111.37167 |
| Poro Dam | Valley | 44.85222 | -116.00028 |
| Portneuf Dam | Caribou | 42.87833 | -111.94306 |
| Post Falls Dam | Kootenai | 47.70889 | -116.95278 |
| Pot Hole Creek Dam | Owyhee | 42.70778 | -115.47611 |
| Priest Lake Dam | Bonner | 48.49056 | -116.9025 |
| Rainbow Dam | Bear Lake | 42.25028 | -111.28778 |
| Rattlesnake Creek Dam | Owyhee | 42.28444 | -115.99556 |
| Red Pine Canyon Dam | Bear Lake | 42.49667 | -111.37167 |
| Reservoir A Dam | Nez Perce | 46.37167 | -116.85667 |
| Rhead Dam | Elmore | 43.39333 | -115.41333 |
| Richards Dam | Kootenai | 47.69667 | -117.00667 |
| Rio Vista Dam | Valley | 44.91667 | -116.09333 |
| Ririe Dam | Bonneville | 43.58167 | -111.74167 |
| Rock Creek Dam | Owyhee | 42.78056 | -116.61306 |
| Sage Hen Dam | Gem | 44.32611 | -116.19444 |
| Saint John Dam | Oneida | 42.2275 | -112.28861 |
| Salmon Falls Creek Dam | Twin Falls | 42.58667 | -114.9 |
| Salmon Falls Dam | Twin Falls | 42.21222 | -114.73333 |
| Samaria Number One Lower Dam | Oneida | 42.195 | -112.35944 |
| Samaria Number Two Upper Dam | Oneida | 42.20667 | -112.36667 |
| Scott Creek Dam | Washington | 44.29667 | -117.02667 |
| Scrappy Creek Dam | Owyhee | 42.53111 | -116.36528 |
| Shaw Twins-Upper Dam | Valley | 44.88833 | -115.95667 |
| Sheep Creek Dam | Bear Lake | 42.2425 | -111.14306 |
| Sheridan Dam | Clark | 44.46111 | -111.68611 |
| Shoofly Dam | Owyhee | 42.26167 | -116.30833 |
| Shoshone Falls Dam | Jerome | 42.595 | -114.4 |
| Silver King Mines Number One Dam | Adams | 45.1 | -116.675 |
| Simplot Effluent Irrigation Dam | Bannock | 42.945 | -112.43 |
| Simplot Number Six Tailings Dam | Caribou | 42.73333 | -111.47667 |
| Skein Lake Dam | Valley | 44.47778 | -116.11028 |
| Slack Dam | Owyhee | 42.05639 | -116.45889 |
| Smalley Dam | Valley | 44.59306 | -116.01167 |
| Snow Creek Dam | Owyhee | 42.11944 | -115.97333 |
| Soda Creek Dam | Caribou | 42.68667 | -111.60833 |
| Soda Dam | Caribou | 42.64417 | -111.69611 |
| Soldiers Meadow Dam | Nez Perce | 46.1675 | -116.73583 |
| Sommerville Dam | Owyhee | 42.465 | -116.75833 |
| Sonner Dam | Blaine | 43.235 | -114.195 |
| Spencer Dam | Owyhee | 42.81806 | -116.64278 |
| Spring Creek Dam | Camas | 43.265 | -114.65 |
| Spring Valley Dam | Latah | 46.78333 | -116.75167 |
| Squaw Creek Dam | Owyhee | 42.19472 | -116.09167 |
| Stanley Lake Fish Barrier Dam | Custer | 44.24944 | -115.04111 |
| Star Tailings Number Five Dam | Shoshone | 47.495 | -115.88667 |
| Star Tailings Number Four Dam | Shoshone | 47.49167 | -115.88333 |
| Star Tailings Number One Dam | Shoshone | 47.49333 | -115.88833 |
| Star Tailings Number Six Dam | Shoshone | 47.48 | -115.89 |
| Star Tailings Number Three Dam | Shoshone | 47.49 | -115.885 |
| Star Tailings Number Two Dam | Shoshone | 47.49167 | -115.88667 |
| Stewart Dam | Bear Lake | 42.2525 | -111.28778 |
| Stewart Ranch Dam | Caribou | 42.555 | -111.42833 |
| Stock Valley Dam | Franklin | 42.33 | -111.83667 |
| Stoneridge Dam | Bonner | 48.01167 | -117.005 |
| Strickland Dam | Owyhee | 42.44111 | -115.79972 |
| Strongarm Reservoir Number One Dam | Franklin | 42.23389 | -111.86111 |
| Strongarm Reservoir Number Two Dam | Franklin | 42.21833 | -111.89833 |
| Sublett Dam | Cassia | 42.32472 | -113.04583 |
| Summit Dam | Custer | 44.30639 | -113.5075 |
| Sunbeam Dam (historical) | Custer | 44.27 | -114.7325 |
| Sunset Palisades Dam | Nez Perce | 46.39167 | -117.03667 |
| Sunshine Tailings Number One Dam | Shoshone | 47.52667 | -116.05167 |
| Sunshine Tailings Number Two Dam | Shoshone | 47.52333 | -116.05667 |
| Surmeier Dam | Payette | 43.96167 | -116.925 |
| Swain Number One Dam | Washington | 44.275 | -116.66667 |
| Swain Number Two Dam | Washington | 44.255 | -116.66667 |
| Swan Falls Dam | Ada | 43.24333 | -116.37167 |
| Taylor Dam | Elmore | 42.94833 | -115.095 |
| Teapot-Lower Dam | Elmore | 43.02222 | -115.48694 |
| Teapot-Upper Dam | Elmore | 43.03111 | -115.48722 |
| Teton Dam (historical) | Madison | 43.90972 | -111.53833 |
| Texas Basin Dam | Owyhee | 43.17833 | -116.97333 |
| Thompson Dam | Nez Perce | 46.47333 | -116.385 |
| Thompson Lake Dam | Kootenai | 47.49 | -116.74333 |
| Thorn Creek Dam | Gooding | 43.19 | -114.59667 |
| Tindall Dam | Owyhee | 42.08611 | -115.96639 |
| Tingey Dam | Franklin | 42.04667 | -111.95833 |
| Toliver Dam | Bonneville | 43.45 | -111.43667 |
| Tom J Dam | Valley | 44.54333 | -116 |
| Trail Creek Dam | Blaine | 43.69167 | -114.35 |
| Trail Dam | Elmore | 43.055 | -115.325 |
| Trail Diversion Dam | Elmore | 43.05 | -115.285 |
| Tripod Dam | Valley | 44.29 | -116.09889 |
| Troy Dam | Latah | 46.80417 | -116.81028 |
| Turner Butte Dam | Owyhee | 42.3975 | -116.15333 |
| Twentyfour Mile Dam | Caribou | 42.90333 | -111.88611 |
| Twin Buttes Number One Dam | Bingham | 43.5 | -112.58333 |
| Twin Falls Dam | Jerome | 42.58833 | -114.35667 |
| Twin Granite Dam | Adams | 45.10333 | -116.18 |
| Twin Lakes Dam | Kootenai | 47.85722 | -116.86528 |
| Twin Lakes Northwest Dam | Franklin | 42.2 | -111.98167 |
| Twin Lakes Southwest Dam | Franklin | 42.18667 | -111.97333 |
| Tyson Dam | Owyhee | 43.24833 | -116.73833 |
| Unit Three Haulroad Dam | Caribou | 42.84167 | -111.41833 |
| Upper Deep Creek Dam | Oneida | 42.19278 | -112.14583 |
| Upper Duncan Creek Dam | Owyhee | 42.40639 | -116.06639 |
| Upper Idaho Falls Number One Dam | Bonneville | 43.55667 | -112.04833 |
| Upper Idaho Falls Number Two Dam | Bonneville | 43.555 | -112.05 |
| Upper Payette Lake Dam | Valley | 45.11111 | -116.02556 |
| Upper Salmon Falls Dam | Gooding | 42.765 | -114.895 |
| Van Orden Dam | Franklin | 42.00667 | -111.85167 |
| Walker Dam | Elmore | 43.02167 | -115.19 |
| Warm Springs Creek Dam | Lemhi | 45.13 | -113.86833 |
| Warren Diversion Dam | Valley | 44.48667 | -115.96333 |
| Watson Dam | Elmore | 42.98833 | -115.72833 |
| Welling Number Two Dam | Bear Lake | 42.40833 | -111.35667 |
| Weston Dam | Oneida | 42.11944 | -112.11389 |
| Williams Dam | Twin Falls | 42.27222 | -114.42167 |
| Wilson Lake Dam | Jerome | 42.62889 | -114.17139 |
| Winchester Dam | Lewis | 46.2375 | -116.61833 |
| Winder Dam | Franklin | 42.18333 | -111.88556 |
| Wiregrass Dam | Bannock | 42.4825 | -112.20389 |
| Woodall Dam | Valley | 44.21333 | -116.15333 |
| Yellow Belly Lake Fish Barrier Dam | Custer | 44.00028 | -114.85556 |
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