Browse Dams
11,354 dams in the National Inventory of Dams.
National Inventory of Dams
Browse 11,354 dams from the NID database. Each record includes dam name, location, physical dimensions, hazard potential classification, condition assessment, purpose, owner information, and emergency action plan status. Use the filters below to search by state, hazard level, condition, or keyword.
| Name | State | County | Height (ft) | Hazard | Condition | Year | Purpose |
|---|---|---|---|---|---|---|---|
| Fort Knox Tailings Dam | Alaska | Fairbanks North Star Borough | 350 | Significant | Fair | 1996 | Water Supply |
| Mill 5/6 Center Tailings Storage Facility | Nevada | Eureka | 300 | Significant | Poor | 1991 | Tailings |
| Erie Basin 2 | Minnesota | St. Louis | 250 | Significant | Satisfactory | 1978 | Tailings |
| Midas Tailings Storage Facility Ph Iv Dam | Nevada | Elko | 250 | Significant | Fair | 1998 | Tailings |
| McKays Point Diversion | California | Tuolumne | 242 | Significant | Satisfactory | 1989 | Hydroelectric |
| Juniper Tailings Dam | Nevada | Humboldt | 236 | Significant | Fair | 1997 | Tailings |
| #1 Tailings Pond | Colorado | Eagle | 235 | Significant | Not Available | - | Tailings |
| Chino Mines Tailings Dam No. 7 | New Mexico | Grant | 230 | Significant | Satisfactory | 1988 | Tailings |
| Simplot Phosphates Tailings Dam | Utah | Uintah | 230 | Significant | Not Rated | 1973 | |
| Silver Basin 1 | Arizona | Graham | 225 | Significant | Not Available | - | Tailings |
| Mill 5/6 East Tailings Storage Facility | Nevada | Eureka | 220 | Significant | Fair | 2019 | Tailings |
| A-A Tails Dam | Nevada | Eureka | 220 | Significant | Fair | 1989 | Tailings |
| Brush Creek | California | El Dorado | 213 | Significant | Satisfactory | 1970 | Hydroelectric |
| Green Lake | Alaska | City and Borough of Sitka | 210 | Significant | Satisfactory | 1982 | Hydroelectric |
| Erie Basin 1 | Minnesota | St. Louis | 200 | Significant | Satisfactory | 1978 | Tailings |
| Mineral Park Tailings Dam | Arizona | Mohave | 200 | Significant | Not Available | - | Tailings |
| Essar Steel Tailings Basin | Minnesota | Itasca | 200 | Significant | Satisfactory | 2011 | Tailings |
| Lake Arrowhead | California | San Bernardino | 190 | Significant | Poor | 1922 | Water Supply |
| Section 22 Midas Tailings Storage Facility Dam | Nevada | Elko | 186 | Significant | Fair | - | Tailings |
| Simplot Tailings Dam | Nevada | Clark | 185 | Significant | Not Rated | 1981 | Tailings |
| Mill #4 Tailings #1 Dam | Nevada | Eureka | 182 | Significant | Fair | 1989 | Tailings |
| Lone Tree Section 23 Tails Dam | Nevada | Humboldt | 180 | Significant | Poor | 1996 | Tailings |
| Rmg Cell B Tsf Dam | Nevada | Nye | 180 | Significant | Fair | 2016 | Tailings |
| Refuse Disposal Area | Illinois | Saline | 175 | Significant | Not Available | - | Water Supply |
| Diemer No. 8 | California | Orange | 172 | Significant | Satisfactory | 1968 | Water Supply |
| Junction | California | El Dorado | 168 | Significant | Satisfactory | 1962 | Hydroelectric |
| Robert C. Byrd Locks and Dam | West Virginia | Mason | 167 | Significant | Not Available | 1937 | Navigation |
| Mill #4 Tailings #2 Dam | Nevada | Eureka | 165 | Significant | Fair | 1993 | Tailings |
| Lake Las Vegas Dam | Nevada | Clark | 165 | Significant | Fair | 1991 | Recreation |
| Empire Mine Tailings Basin Dam | Michigan | Marquette | 163 | Significant | Satisfactory | 1975 | Tailings |
| Jerritt Canyon Tailings Dam | Nevada | Elko | 162 | Significant | Not Rated | 1981 | Tailings |
| North Fork Dam | California | Placer | 155 | Significant | Not Available | 1939 | Debris Control |
| Tailings Impoundment | Montana | Madison | 155 | Significant | - | - | |
| Slickrock Creek | California | Shasta | 155 | Significant | Satisfactory | 2004 | Water Supply |
| Kennecott Smelter Tailings Pond | Utah | Salt Lake | 154 | Significant | Not Rated | - | Tailings |
| Ward Impoundment (Lower) Dam | West Virginia | Kanawha | 152 | Significant | Satisfactory | - | Tailings |
| Midas Dam Tailings Storage Facility Ph V | Nevada | Elko | 150 | Significant | Fair | 1998 | Tailings |
| D Tailings | Arizona | Pinal | 150 | Significant | Not Available | - | Tailings |
| East Branch | Colorado | Grand | 150 | Significant | Satisfactory | 1971 | Water Supply |
| Fmcp Cooling Pond Cell A | Florida | Polk | 145 | Significant | Not Rated | 1978 | Tailings |
| Rattlesnake Dam | Alabama | Walker | 145 | Significant | Not Rated | 1979 | Other |
| Young Mill Tailings Dam | Tennessee | Jefferson | 145 | Significant | Satisfactory | 1998 | Tailings |
| Cowlitz Falls | Washington | Lewis | 145 | Significant | Satisfactory | 1994 | Hydroelectric |
| Centralia Coal Mine Dam No 3b | Washington | Lewis | 140 | Significant | Fair | 1980 | Tailings |
| Wyandotte County Lake Dam | Kansas | Wyandotte | 139 | Significant | Satisfactory | 1941 | Recreation |
| Captain Anthony Meldahl Locks and Dam | Kentucky | Bracken | 138 | Significant | Not Available | 1965 | Navigation |
| Centralia Coal Mine Dam No 3c North | Washington | Lewis | 134 | Significant | Satisfactory | 1987 | Tailings |
| Red River Lock and Dam 3 | Louisiana | Natchitoches | 134 | Significant | Not Available | 1991 | Navigation |
| La Grange Diversion Dam | California | Stanislaus | 131 | Significant | Satisfactory | 1893 | |
| Belleville Locks and Dam | West Virginia | Wood | 130 | Significant | Not Available | 1968 | Navigation |
Frequently Asked Questions
Hazard potential is based on the consequences of dam failure, not the condition of the dam. High hazard means loss of human life is probable. Significant means economic and environmental losses are expected but no probable loss of life. Low means minimal losses are expected. The classification considers downstream population, infrastructure, and environmental resources.
Condition ratings reflect the physical state of the dam based on periodic inspections. Satisfactory means no deficiencies found. Fair means minor issues exist but no immediate action needed. Poor means safety deficiencies require remedial action. Unsatisfactory means the dam is unsafe and immediate corrective action is required.
Yes. Use the search field above to find dams by name. You can also combine the search with state, hazard, and condition filters to narrow your results. Each dam record links to a detail page with complete information.