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 |
|---|---|---|---|---|---|---|---|
| Baxter No.2 | South Dakota | Ziebach | 26 | Low | - | 1950 | Fire Protection, Stock, Or ... |
| Fiddle Creek (Nid) | South Dakota | Fall River | 26 | Significant | Not Rated | 1936 | Fire Protection, Stock, Or ... |
| Charles Heller | South Dakota | Tripp | 26 | Low | - | 1964 | Fire Protection, Stock, Or ... |
| Stephen Mission | South Dakota | Hyde | 26 | Low | - | 1943 | Water Supply |
| Lermeny Dam | South Dakota | Harding | 25 | Low | - | 1903 | Fire Protection, Stock, Or ... |
| Sd Noname 260 | South Dakota | Haakon | 25 | Low | - | 1950 | Fire Protection, Stock, Or ... |
| Mundt Dam | South Dakota | Sully | 25 | Low | - | 1937 | Fire Protection, Stock, Or ... |
| Sly Number 1 | South Dakota | Charles Mix | 25 | Significant | - | 1961 | Fire Protection, Stock, Or ... |
| V. Garrett | South Dakota | Sully | 25 | Low | - | 1947 | Fire Protection, Stock, Or ... |
| A.W. Spiry | South Dakota | Walworth | 25 | Low | - | 1956 | Fire Protection, Stock, Or ... |
| Knox Number 2 | South Dakota | Jones | 25 | Low | - | 1954 | Fire Protection, Stock, Or ... |
| Earl Pullins | South Dakota | Perkins | 25 | Low | - | 1952 | Fire Protection, Stock, Or ... |
| Midland Dam | South Dakota | Haakon | 25 | Low | - | 1940 | Fire Protection, Stock, Or ... |
| Daum Bros. Number 4 | South Dakota | Jones | 25 | Low | - | 1959 | Fire Protection, Stock, Or ... |
| Henle Ranch Number 1 | South Dakota | Jones | 25 | Low | - | 1959 | Fire Protection, Stock, Or ... |
| Frank-Ruby | South Dakota | Perkins | 25 | Low | - | 1955 | Fire Protection, Stock, Or ... |
| Herman Moeller | South Dakota | Tripp | 25 | Low | - | 1961 | Fire Protection, Stock, Or ... |
| Brost Number 8 | South Dakota | Jones | 25 | Low | - | 1964 | Fire Protection, Stock, Or ... |
| Sanderson Number 2 | South Dakota | Jones | 25 | Low | - | 1955 | Fire Protection, Stock, Or ... |
| Livermore #1 | South Dakota | Jones | 25 | Low | - | 1959 | Fire Protection, Stock, Or ... |
| Emil Schulz | South Dakota | Lyman | 25 | Low | - | 1972 | Fire Protection, Stock, Or ... |
| Sd Noname 275 | South Dakota | Haakon | 25 | Low | - | 1950 | Fire Protection, Stock, Or ... |
| Sd Noname 286 | South Dakota | Haakon | 25 | Low | - | 1958 | Fire Protection, Stock, Or ... |
| Volberg #2 | South Dakota | Mellette | 25 | Low | - | 1950 | Fire Protection, Stock, Or ... |
| Foster Number 3 | South Dakota | Jones | 25 | Low | - | 1957 | Fire Protection, Stock, Or ... |
| Niemi No.1 | South Dakota | Harding | 25 | Low | - | 1960 | Fire Protection, Stock, Or ... |
| Walter Thompson | South Dakota | Stanley | 25 | Low | - | 1959 | Fire Protection, Stock, Or ... |
| R. Keckley No.2 | South Dakota | Ziebach | 25 | Low | - | 1962 | Fire Protection, Stock, Or ... |
| Pettegrew Dam | South Dakota | Fall River | 25 | Low | - | 1910 | Irrigation |
| Mccasland and Schiller 3 | South Dakota | Meade | 25 | Low | - | 1968 | Fire Protection, Stock, Or ... |
| Bork Number 2 | South Dakota | Jones | 25 | Low | - | 1969 | Fire Protection, Stock, Or ... |
| Jack Freeman | South Dakota | Ziebach | 25 | Low | - | 1960 | Irrigation |
| G & J Heck No.2 | South Dakota | Dewey | 25 | Low | - | 1954 | Fire Protection, Stock, Or ... |
| Jacquot Dam | South Dakota | Bennett | 25 | Significant | - | 1960 | Irrigation |
| Dugan Number 1 | South Dakota | Jones | 25 | Low | - | 1953 | Fire Protection, Stock, Or ... |
| Alfred Urban | South Dakota | Lyman | 25 | Low | - | 1963 | Fire Protection, Stock, Or ... |
| Rankin Number 2 | South Dakota | Jones | 25 | Low | - | 1963 | Fire Protection, Stock, Or ... |
| Sd Noname 202 | South Dakota | Haakon | 25 | Low | - | 1952 | Fire Protection, Stock, Or ... |
| Sd Noname 173 | South Dakota | Pennington | 25 | Low | - | 1957 | Fire Protection, Stock, Or ... |
| Letellier | South Dakota | Mellette | 25 | Low | - | 1955 | Fire Protection, Stock, Or ... |
| Lewis & Tinsley Dam | South Dakota | Meade | 25 | Low | - | 1959 | Fire Protection, Stock, Or ... |
| Hutchinson No. 5 | South Dakota | Mellette | 25 | Low | - | 1972 | Fire Protection, Stock, Or ... |
| Paul'S Irrigation Dam | South Dakota | Harding | 25 | Low | - | 1953 | Irrigation |
| Nichols Number 1 | South Dakota | Jones | 25 | Low | - | 1959 | Fire Protection, Stock, Or ... |
| Hight Number 1 | South Dakota | Jones | 25 | Low | - | 1963 | Fire Protection, Stock, Or ... |
| Mike Welder | South Dakota | Dewey | 25 | Low | - | 1973 | Fire Protection, Stock, Or ... |
| Mallard | South Dakota | Corson | 25 | Low | - | 1935 | Recreation |
| Iversen Number 1 | South Dakota | Jones | 25 | Low | - | 1957 | Fire Protection, Stock, Or ... |
| Holzwarth Dam | South Dakota | Potter | 25 | Significant | - | 1956 | Fire Protection, Stock, Or ... |
| Olson Dam | South Dakota | Corson | 25 | Low | - | 1975 | 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.