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 |
|---|---|---|---|---|---|---|---|
| Bork Number 1 | South Dakota | Jones | 26 | Low | — | 1959 | Fire Protection, Stock, Or ... |
| Ralph Ritter No.2 | South Dakota | Campbell | 26 | Low | — | 1965 | Fire Protection, Stock, Or ... |
| Iverson Number 1 | South Dakota | Jones | 26 | Low | — | 1958 | Fire Protection, Stock, Or ... |
| Brost Number 8 | South Dakota | Jones | 26 | Low | — | 1956 | Fire Protection, Stock, Or ... |
| Lookout | South Dakota | Lyman | 25 | Low | — | 1938 | Water Supply |
| Diamond Ring Ranch #6 | South Dakota | Haakon | 25 | Low | — | 1969 | Fire Protection, Stock, Or ... |
| Sly Number 1 | South Dakota | Charles Mix | 25 | Significant | — | 1961 | Fire Protection, Stock, Or ... |
| J. Quirk | South Dakota | Hyde | 25 | Low | — | 1947 | Fire Protection, Stock, Or ... |
| Perault Number 6 | South Dakota | Jones | 25 | Low | — | 1941 | Fire Protection, Stock, Or ... |
| Allen Stirling Number 1 | South Dakota | Stanley | 25 | Low | — | 1959 | Fire Protection, Stock, Or ... |
| Rock Cowan No. 4 | South Dakota | Dewey | 25 | Low | — | 1964 | Fire Protection, Stock, Or ... |
| Van Collons No.1 | South Dakota | Mellette | 25 | Low | — | 1964 | Fire Protection, Stock, Or ... |
| Rae Number 4 | South Dakota | Jones | 25 | Low | — | 1953 | Fire Protection, Stock, Or ... |
| Hofer Dam | South Dakota | Hutchinson | 25 | Low | — | 1972 | Fire Protection, Stock, Or ... |
| Allen Tucker No.1 | South Dakota | Mellette | 25 | Low | — | 1967 | Fire Protection, Stock, Or ... |
| K. Darland | South Dakota | Sully | 25 | Low | — | 1938 | Fire Protection, Stock, Or ... |
| Mallard | South Dakota | Corson | 25 | Low | — | 1935 | Recreation |
| Louder Number 1 | South Dakota | Jones | 25 | Low | — | 1956 | Fire Protection, Stock, Or ... |
| Jans Herald No.1 | South Dakota | Mellette | 25 | Low | — | 1966 | Fire Protection, Stock, Or ... |
| Jr Schmidt #1 | South Dakota | Mellette | 25 | Low | — | 1956 | Fire Protection, Stock, Or ... |
| Niemi No.3 | South Dakota | Harding | 25 | Low | — | 1938 | Fire Protection, Stock, Or ... |
| Carr #5 | South Dakota | Mellette | 25 | Low | — | 1955 | Fire Protection, Stock, Or ... |
| Stirling #2 | South Dakota | Jones | 25 | Low | — | 1962 | Fire Protection, Stock, Or ... |
| Labolt Lake | South Dakota | Grant | 25 | Low | — | 1935 | Recreation |
| Shyne 1 | South Dakota | Pennington | 25 | Low | — | 1953 | Recreation |
| Blight | South Dakota | Mellette | 25 | Low | — | 1957 | Fire Protection, Stock, Or ... |
| Anderson No.2 | South Dakota | Mellette | 25 | Low | — | 1966 | Fire Protection, Stock, Or ... |
| Emil Schulz | South Dakota | Lyman | 25 | Low | — | 1972 | Fire Protection, Stock, Or ... |
| Strain Ranch No. 1 | South Dakota | Mellette | 25 | Low | — | 1963 | Fire Protection, Stock, Or ... |
| Mt. View Ranch Dam | South Dakota | Meade | 25 | Low | — | 1965 | Irrigation |
| Herman Moeller | South Dakota | Tripp | 25 | Low | — | 1961 | Fire Protection, Stock, Or ... |
| John Meginess | South Dakota | Dewey | 25 | Low | — | 1949 | Fire Protection, Stock, Or ... |
| Red Earth Grazing Assn. | South Dakota | Dewey | 25 | Low | — | 1946 | Fire Protection, Stock, Or ... |
| Foster Number 3 | South Dakota | Jones | 25 | Low | — | 1957 | Fire Protection, Stock, Or ... |
| Donald King 2 | South Dakota | Haakon | 25 | Low | — | 1955 | Fire Protection, Stock, Or ... |
| Daum Bros. Number 4 | South Dakota | Jones | 25 | Low | — | 1959 | Fire Protection, Stock, Or ... |
| Dugan Number 1 | South Dakota | Jones | 25 | Low | — | 1953 | Fire Protection, Stock, Or ... |
| Nichols Number 1 | South Dakota | Jones | 25 | Low | — | 1959 | Fire Protection, Stock, Or ... |
| Sd Noname 144 | South Dakota | Jackson | 25 | Low | — | 1960 | Fire Protection, Stock, Or ... |
| Mundt Dam | South Dakota | Sully | 25 | Low | — | 1937 | Fire Protection, Stock, Or ... |
| Dalhke Number 7 | South Dakota | Jones | 25 | Low | — | 1956 | Fire Protection, Stock, Or ... |
| Paul'S Irrigation Dam | South Dakota | Harding | 25 | Low | — | 1953 | Irrigation |
| Mike Welder | South Dakota | Dewey | 25 | Low | — | 1973 | Fire Protection, Stock, Or ... |
| Sd Noname 173 | South Dakota | Pennington | 25 | Low | — | 1957 | Fire Protection, Stock, Or ... |
| Oja No.1 | South Dakota | Harding | 25 | Low | — | 1953 | Fire Protection, Stock, Or ... |
| Jack Freeman | South Dakota | Ziebach | 25 | Low | — | 1960 | Irrigation |
| John Carr Jr. No. 4 | South Dakota | Mellette | 25 | Low | — | 1972 | Fire Protection, Stock, Or ... |
| Brost Number 2 | South Dakota | Jones | 25 | Low | — | 1954 | Fire Protection, Stock, Or ... |
| Iversen Number 1 | South Dakota | Jones | 25 | Low | — | 1957 | Fire Protection, Stock, Or ... |
| Burke | South Dakota | Gregory | 25 | Low | — | 1936 | Recreation |
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.