Browse Dams
2,549 dams in the National Inventory of Dams.
National Inventory of Dams
Browse 2,549 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 |
|---|---|---|---|---|---|---|---|
| Rahn Number 3 | South Dakota | Jones | 26 | Low | — | 1962 | Fire Protection, Stock, Or ... |
| Bailey Dam | South Dakota | Brule | 26 | Low | — | 1947 | Fire Protection, Stock, Or ... |
| Koster Dam | South Dakota | Walworth | 26 | Low | — | 1971 | Fire Protection, Stock, Or ... |
| Hurst Number 2 | South Dakota | Jones | 26 | Low | — | 1955 | Fire Protection, Stock, Or ... |
| Farmingdale (Nid) | South Dakota | Pennington | 26 | Low | Not Rated | 1936 | Fire Protection, Stock, Or ... |
| Jim Schuyler 3 | South Dakota | Tripp | 26 | Low | — | 1964 | Fire Protection, Stock, Or ... |
| Clavel No.4 | South Dakota | Ziebach | 26 | Low | — | 1962 | Fire Protection, Stock, Or ... |
| Charles Heller | South Dakota | Tripp | 26 | Low | — | 1964 | Fire Protection, Stock, Or ... |
| Sladek Dam | South Dakota | Brule | 26 | Low | — | 1949 | Fire Protection, Stock, Or ... |
| Carr #6 | South Dakota | Mellette | 26 | Low | — | 1957 | Fire Protection, Stock, Or ... |
| Olson Ranches INC. #12 | South Dakota | Jones | 26 | Low | — | 1956 | Fire Protection, Stock, Or ... |
| Gale Grazing Assn No. 1 | South Dakota | Campbell | 26 | Low | — | 1956 | Fire Protection, Stock, Or ... |
| Henry Wilson | South Dakota | Stanley | 26 | Low | — | 1962 | Fire Protection, Stock, Or ... |
| Herman Number 17 | South Dakota | Jones | 26 | Low | — | 1958 | Fire Protection, Stock, Or ... |
| Iwan O.M. Number 1 | South Dakota | Mellette | 26 | Low | — | 1970 | Fire Protection, Stock, Or ... |
| Dolezal Number 1 | South Dakota | Mellette | 26 | Low | — | 1963 | Fire Protection, Stock, Or ... |
| Iverson Number 1 | South Dakota | Jones | 26 | Low | — | 1958 | Fire Protection, Stock, Or ... |
| Eastern Grazing Assn No. 5 | South Dakota | Campbell | 26 | Low | — | 1965 | Fire Protection, Stock, Or ... |
| Bucholz No.2 | South Dakota | Mellette | 26 | Low | — | 1973 | Fire Protection, Stock, Or ... |
| Rankin Number 1 | South Dakota | Jones | 26 | Low | — | 1963 | Fire Protection, Stock, Or ... |
| Chris Mehloff | South Dakota | Corson | 26 | Low | — | 1950 | Fire Protection, Stock, Or ... |
| Brost Number 8 | South Dakota | Jones | 26 | Low | — | 1956 | Fire Protection, Stock, Or ... |
| Greene No.2 | South Dakota | Mellette | 26 | Low | — | 1968 | Fire Protection, Stock, Or ... |
| Golden Number 1 | South Dakota | Jones | 26 | Low | — | 1957 | Fire Protection, Stock, Or ... |
| Steve Perry Dam | South Dakota | Lyman | 26 | Low | — | 1997 | Fire Protection, Stock, Or ... |
| Vesely No.2 | South Dakota | Mellette | 26 | Low | — | 1966 | Fire Protection, Stock, Or ... |
| Olson Ranch INC. #6 | South Dakota | Jones | 26 | Low | — | 1959 | Fire Protection, Stock, Or ... |
| Perault Number 2 | South Dakota | Jones | 26 | Low | — | 1956 | Fire Protection, Stock, Or ... |
| England Bros. Number 1 | South Dakota | Mellette | 26 | Low | — | 1964 | Fire Protection, Stock, Or ... |
| Krogman No. 2 | South Dakota | Mellette | 26 | Low | — | 1962 | Fire Protection, Stock, Or ... |
| Dejong Bros 10 | South Dakota | Lyman | 26 | Low | — | 1962 | Fire Protection, Stock, Or ... |
| Olson Number 3 | South Dakota | Jones | 26 | Low | — | 1954 | Fire Protection, Stock, Or ... |
| Rae Number 3 | South Dakota | Jones | 26 | Low | — | 1958 | Water Supply |
| Carr No.1 | South Dakota | Mellette | 26 | Low | — | 1963 | Fire Protection, Stock, Or ... |
| Merrill Karlen #2 | South Dakota | Lyman | 26 | Low | — | 1958 | Fire Protection, Stock, Or ... |
| Hix #2 | South Dakota | Jones | 26 | Low | — | 1959 | Fire Protection, Stock, Or ... |
| Mollman Dam | South Dakota | Perkins | 26 | Low | — | 2002 | Fish and Wildlife Pond |
| Astleford No.2 | South Dakota | Mellette | 26 | Low | — | 1966 | Fire Protection, Stock, Or ... |
| Wolf Dam | South Dakota | Lake | 26 | Low | — | 2009 | Fish and Wildlife Pond |
| Chief Dam | South Dakota | Oglala Lakota | 26 | Low | — | 1960 | Fire Protection, Stock, Or ... |
| Tribe No.7 | South Dakota | Ziebach | 26 | Low | — | 1960 | Water Supply |
| Rada Roy No.1 | South Dakota | Mellette | 26 | Low | — | 1968 | Fire Protection, Stock, Or ... |
| Clausen Dam | South Dakota | Dewey | 26 | Low | — | 2002 | Fish and Wildlife Pond |
| Novey Joe Number 1 | South Dakota | Mellette | 26 | Low | — | 1963 | Fire Protection, Stock, Or ... |
| Sd Noname 257 | South Dakota | Haakon | 26 | Low | — | 1960 | Fire Protection, Stock, Or ... |
| Olson Ranches No. 5 | South Dakota | Jones | 26 | Low | — | 1979 | Fire Protection, Stock, Or ... |
| Eugene Welder | South Dakota | Perkins | 26 | Low | — | 1959 | Fire Protection, Stock, Or ... |
| Schmidt Rd No.1 | South Dakota | Mellette | 26 | Low | — | 1963 | Fire Protection, Stock, Or ... |
| Se Sw Sec.31-T1n-R26e | South Dakota | Jones | 26 | Low | — | 1956 | Fire Protection, Stock, Or ... |
| Archie Millard #2 | South Dakota | Lyman | 26 | Low | — | 1968 | Fire Protection, Stock, Or ... |
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.