105Total Dams
2High Hazard
0Significant
Dam Safety in Dewey County, South Dakota
Dewey County has 105 dams tracked in the National Inventory of Dams. Of these, 2 are classified as high hazard — meaning failure would probably cause loss of human life.
The average dam in Dewey County is 75 years old. The most common purpose is fire protection, stock, or small fish pond. The tallest dam is G. French Homestead at 42 ft.
Explore more: Oldest dams in South Dakota · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Brueschke Dam | High | Fair | 31 | Recreation | 1933 |
| Isabel | High | Fair | 30 | Recreation | 1935 |
| G. French Homestead | Low | Not assessed | 42 | Fire Protection, Stock, Or Small Fish Pond | 1948 |
| Little Moreau #2 | Low | Not assessed | 42 | Fish and Wildlife Pond | 1960 |
| D. Booth | Low | Not assessed | 32 | Fire Protection, Stock, Or Small Fish Pond | 1938 |
| Timber Lake Cattle Co 3 | Low | Not assessed | 32 | Fire Protection, Stock, Or Small Fish Pond | 1970 |
| Oleary Ranch 1 | Low | Not assessed | 31 | Fire Protection, Stock, Or Small Fish Pond | 1969 |
| R. Berndt | Low | Not assessed | 30 | Fire Protection, Stock, Or Small Fish Pond | 1940 |
| R. Schrempp | Low | Not assessed | 30 | Fire Protection, Stock, Or Small Fish Pond | 1961 |
| L. Koch | Low | Not assessed | 30 | Fire Protection, Stock, Or Small Fish Pond | 1957 |
| Little Moreau #1 | Low | Not assessed | 30 | Recreation | 1933 |
| J. Reich No.2 | Low | Not assessed | 29 | Fire Protection, Stock, Or Small Fish Pond | 1950 |
| Thorstensen 2 | Low | Not assessed | 28 | Fire Protection, Stock, Or Small Fish Pond | 1972 |
| J. Reich No.1 | Low | Not assessed | 28 | Fire Protection, Stock, Or Small Fish Pond | 1948 |
| Vern Long | Low | Not assessed | 27 | Fire Protection, Stock, Or Small Fish Pond | 1971 |
| R. Bartels No.1 | Low | Not assessed | 27 | Fire Protection, Stock, Or Small Fish Pond | 1940 |
| Thorstensen 1 | Low | Not assessed | 26 | Fire Protection, Stock, Or Small Fish Pond | 1968 |
| M.a. Curtis | Low | Not assessed | 26 | Fire Protection, Stock, Or Small Fish Pond | 1950 |
| Rock Cowan No. 1 | Low | Not assessed | 26 | Fire Protection, Stock, Or Small Fish Pond | 1950 |
| Hazel Miller No.1 | Low | Not assessed | 26 | Fire Protection, Stock, Or Small Fish Pond | 1950 |
| Jean Simon No.1 | Low | Not assessed | 26 | Fire Protection, Stock, Or Small Fish Pond | 1950 |
| Clausen Dam | Low | Not assessed | 26 | Fish and Wildlife Pond | 2002 |
| Thorstensen 3 | Low | Not assessed | 25 | Fire Protection, Stock, Or Small Fish Pond | 1969 |
| John Meginess | Low | Not assessed | 25 | Fire Protection, Stock, Or Small Fish Pond | 1949 |
| H. Hulm | Low | Not assessed | 25 | Fire Protection, Stock, Or Small Fish Pond | 1938 |
| M.a. Curtis | Low | Not assessed | 25 | Fire Protection, Stock, Or Small Fish Pond | 1955 |
| Mike Welder | Low | Not assessed | 25 | Fire Protection, Stock, Or Small Fish Pond | 1973 |
| Rock Cowan No. 4 | Low | Not assessed | 25 | Fire Protection, Stock, Or Small Fish Pond | 1964 |
| G&j Heck No.2 | Low | Not assessed | 25 | Fire Protection, Stock, Or Small Fish Pond | 1954 |
| G & J Heck No.2 | Low | Not assessed | 25 | Fire Protection, Stock, Or Small Fish Pond | 1954 |
| Red Earth Grazing Assn. | Low | Not assessed | 25 | Fire Protection, Stock, Or Small Fish Pond | 1946 |
| Dan Gray No. 3 | Low | Not assessed | 25 | Fish and Wildlife Pond | 1955 |
| D. Woddell | Low | Not assessed | 24 | Fire Protection, Stock, Or Small Fish Pond | 1950 |
| F. Curtis | Low | Not assessed | 24 | Fire Protection, Stock, Or Small Fish Pond | 1950 |
| G.p. Joens | Low | Not assessed | 24 | Fire Protection, Stock, Or Small Fish Pond | 1941 |
| C. Peterson No.1 | Low | Not assessed | 24 | Fire Protection, Stock, Or Small Fish Pond | 1945 |
| Ray Haberman Sr No.1 | Low | Not assessed | 24 | Fire Protection, Stock, Or Small Fish Pond | 1950 |
| I. Molstad | Low | Not assessed | 23 | Fire Protection, Stock, Or Small Fish Pond | 1969 |
| Oleary Ranch 2 | Low | Not assessed | 23 | Fire Protection, Stock, Or Small Fish Pond | 1969 |
| G. Holloway | Low | Not assessed | 23 | Fire Protection, Stock, Or Small Fish Pond | 1936 |
| Brooks Dam | Low | Not assessed | 23 | Fish and Wildlife Pond | 2001 |
| F. Macijewske | Low | Not assessed | 22 | Fire Protection, Stock, Or Small Fish Pond | 1938 |
| H. Chamberlin | Low | Not assessed | 22 | Fire Protection, Stock, Or Small Fish Pond | 1966 |
| H. Lesmeister | Low | Not assessed | 22 | Fire Protection, Stock, Or Small Fish Pond | 1937 |
| C. Peterson No.3 | Low | Not assessed | 22 | Fire Protection, Stock, Or Small Fish Pond | 1940 |
| Rock Cowan No.3 | Low | Not assessed | 22 | Fire Protection, Stock, Or Small Fish Pond | 1950 |
| D. Booth No.3 | Low | Not assessed | 22 | Fire Protection, Stock, Or Small Fish Pond | 1950 |
| C.j. Larson No.1 | Low | Not assessed | 22 | Fire Protection, Stock, Or Small Fish Pond | 1945 |
| Dewberry Dam | Low | Not assessed | 22 | Recreation | 1937 |
| M. Schremp | Low | Not assessed | 21 | Fire Protection, Stock, Or Small Fish Pond | 1961 |
| Glen Holloway | Low | Not assessed | 21 | Fire Protection, Stock, Or Small Fish Pond | 1947 |
| P. Garr | Low | Not assessed | 21 | Fire Protection, Stock, Or Small Fish Pond | 1972 |
| Dick Simon No.1 | Low | Not assessed | 21 | Fire Protection, Stock, Or Small Fish Pond | 1950 |
| Ray Haberman Sr No.2 | Low | Not assessed | 21 | Fire Protection, Stock, Or Small Fish Pond | 1950 |
| A. Lee | Low | Not assessed | 20 | Fire Protection, Stock, Or Small Fish Pond | 1954 |
| Garr | Low | Not assessed | 20 | Fire Protection, Stock, Or Small Fish Pond | 1942 |
| Jones | Low | Not assessed | 20 | Fire Protection, Stock, Or Small Fish Pond | 1955 |
| Don Farlee | Low | Not assessed | 20 | Fire Protection, Stock, Or Small Fish Pond | 1938 |
| Rubendall | Low | Not assessed | 20 | Fire Protection, Stock, Or Small Fish Pond | 1958 |
| D. Counting | Low | Not assessed | 20 | Fire Protection, Stock, Or Small Fish Pond | 1950 |
| F. Joens | Low | Not assessed | 20 | Fire Protection, Stock, Or Small Fish Pond | 1940 |
| Gail Vrooman | Low | Not assessed | 20 | Fire Protection, Stock, Or Small Fish Pond | 1950 |
| R. Hepper | Low | Not assessed | 20 | Fire Protection, Stock, Or Small Fish Pond | 1970 |
| B. Curtis | Low | Not assessed | 20 | Fire Protection, Stock, Or Small Fish Pond | 1955 |
| H. Holm | Low | Not assessed | 20 | Fire Protection, Stock, Or Small Fish Pond | 1958 |
| John Gesinger No.1 | Low | Not assessed | 20 | Fire Protection, Stock, Or Small Fish Pond | 1940 |
| Joe Gesinger No.1 | Low | Not assessed | 20 | Fire Protection, Stock, Or Small Fish Pond | 1940 |
| D. Booth No.2 | Low | Not assessed | 20 | Fire Protection, Stock, Or Small Fish Pond | 1950 |
| B. Schuh | Low | Not assessed | 19 | Fire Protection, Stock, Or Small Fish Pond | 1950 |
| O. Jewett | Low | Not assessed | 19 | Fire Protection, Stock, Or Small Fish Pond | 1936 |
| H. Harrison | Low | Not assessed | 19 | Fire Protection, Stock, Or Small Fish Pond | 1952 |
| J. Reichert | Low | Not assessed | 19 | Fire Protection, Stock, Or Small Fish Pond | 1963 |
| S. Tidball | Low | Not assessed | 19 | Fire Protection, Stock, Or Small Fish Pond | 1948 |
| C. Peterson No.2 | Low | Not assessed | 19 | Fire Protection, Stock, Or Small Fish Pond | 1956 |
| R. Clark No.1 | Low | Not assessed | 19 | Fire Protection, Stock, Or Small Fish Pond | 1946 |
| Rock Cowan No.2 | Low | Not assessed | 19 | Fire Protection, Stock, Or Small Fish Pond | 1951 |
| W.f. Collins | Low | Not assessed | 19 | Fire Protection, Stock, Or Small Fish Pond | 1937 |
| Merkel | Low | Not assessed | 18 | Fire Protection, Stock, Or Small Fish Pond | 1941 |
| School Land | Low | Not assessed | 18 | Fire Protection, Stock, Or Small Fish Pond | 1939 |
| John Holloway | Low | Not assessed | 18 | Fire Protection, Stock, Or Small Fish Pond | 1945 |
| Stradinger No.1 | Low | Not assessed | 18 | Fire Protection, Stock, Or Small Fish Pond | 1941 |
| G. Boldt | Low | Not assessed | 18 | Fire Protection, Stock, Or Small Fish Pond | 1958 |
| W. Scholl | Low | Not assessed | 18 | Fire Protection, Stock, Or Small Fish Pond | 1938 |
| Maciejewski #2 | Low | Not assessed | 18 | Fire Protection, Stock, Or Small Fish Pond | 1952 |
| B. Oleary | Low | Not assessed | 18 | Fire Protection, Stock, Or Small Fish Pond | 1945 |
| Little Moreau #3 | Low | Not assessed | 18 | Fish and Wildlife Pond | 1960 |
| Hand | Low | Not assessed | 17 | Fire Protection, Stock, Or Small Fish Pond | 1946 |
| Glen Bringman | Low | Not assessed | 17 | Fire Protection, Stock, Or Small Fish Pond | 1940 |
| G. Hand | Low | Not assessed | 17 | Fire Protection, Stock, Or Small Fish Pond | 1937 |
| Louis Lesmeister | Low | Not assessed | 16 | Fire Protection, Stock, Or Small Fish Pond | 1940 |
| Fred Joens | Low | Not assessed | 16 | Fire Protection, Stock, Or Small Fish Pond | 1941 |
| M. Webb | Low | Not assessed | 16 | Fire Protection, Stock, Or Small Fish Pond | 1947 |
| D. Schrempp | Low | Not assessed | 16 | Fire Protection, Stock, Or Small Fish Pond | 1940 |
| Firesteel Gpa Dam | Low | Not assessed | 16 | Fish and Wildlife Pond | 2010 |
| School Land | Low | Not assessed | 15 | Fire Protection, Stock, Or Small Fish Pond | 1938 |
| Kerstiens | Low | Not assessed | 15 | Fire Protection, Stock, Or Small Fish Pond | 1935 |
| Oleary | Low | Not assessed | 15 | Fire Protection, Stock, Or Small Fish Pond | 1945 |
| C. Peterson No.4 | Low | Not assessed | 15 | Fire Protection, Stock, Or Small Fish Pond | 1940 |
| P. Stradinger No.2 | Low | Not assessed | 15 | Fire Protection, Stock, Or Small Fish Pond | 1938 |
| G&j Heck No.1 | Low | Not assessed | 15 | Fire Protection, Stock, Or Small Fish Pond | 1937 |
| R. Kinning | Low | Not assessed | 15 | Fire Protection, Stock, Or Small Fish Pond | 1942 |
| H. C. Seymore Est | Low | Not assessed | 15 | Fire Protection, Stock, Or Small Fish Pond | 1950 |
| M. Webb | Low | Not assessed | 13 | Fire Protection, Stock, Or Small Fish Pond | 1946 |
| R. Clark No.2 | Low | Not assessed | 12 | Fire Protection, Stock, Or Small Fish Pond | 1947 |
| R. Clark No.3 | Low | Not assessed | 11 | Fire Protection, Stock, Or Small Fish Pond | 1948 |