Dams in Pennington County, South Dakota
118Total Dams
12High Hazard
0Significant
Dam Safety in Pennington County, South Dakota
Pennington County has 118 dams tracked in the National Inventory of Dams. Of these, 12 are classified as high hazard — meaning failure would probably cause loss of human life. Currently, 1 dams have a condition assessment of poor or unsatisfactory.
The average dam in Pennington County is 72 years old. The most common purpose is fire protection, stock, or small fish pond. The tallest dam is Deerfield Dam at 171 ft.
Explore more: Oldest dams in South Dakota · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Deerfield Dam | High | Not Available | 171 | Fish and Wildlife Pond | 1947 |
| Sheridan Lake | High | Not Rated | 134 | Recreation | 1939 |
| Pactola Dike 1 | High | Not Available | 115 | 1956 | |
| Horsethief Lake | High | Not Rated | 65 | Recreation | 1940 |
| Red Dale Gulch | High | Fair | 42 | Flood Risk Reduction | 1959 |
| Deerfield Park | High | Fair | 36 | Recreation | 1981 |
| Mitchell Lake | High | Not Rated | 31 | Recreation | 1936 |
| Canyon Lake Dam | High | Fair | 31 | Irrigation | 1976 |
| Kjerstad No.1 | High | Fair | 22 | Fire Protection, Stock, Or Small Fish Pond | 1960 |
| Major Lake | High | Not Rated | 18 | Recreation | 1939 |
| Kjerstad Dam No.3 | High | Fair | 15 | Fire Protection, Stock, Or Small Fish Pond | 1943 |
| Kjerstad Dam No. 2 | High | Poor | 14 | Fire Protection, Stock, Or Small Fish Pond | 1941 |
| Boy Scouts Of America | Low | 44 | Recreation | 1975 | |
| New Wall Lake | Low | 40 | Recreation | 1947 | |
| Gordon Babcock | Low | 37 | Fire Protection, Stock, Or Small Fish Pond | 1951 | |
| Bill Trask | Low | 32 | Fire Protection, Stock, Or Small Fish Pond | 1964 | |
| Veryl Schroeder 2 | Low | 32 | Fire Protection, Stock, Or Small Fish Pond | 1967 | |
| Wicksville | Low | 31 | Recreation | 1935 | |
| Roy Shull No.1 | Low | 31 | Fire Protection, Stock, Or Small Fish Pond | 1957 | |
| Owanka | Low | 28 | Recreation | 1935 | |
| Sd Noname 180 | Low | 28 | Fire Protection, Stock, Or Small Fish Pond | 1937 | |
| Bruce Dam | Low | 28 | Recreation | 1937 | |
| Sd Noname 179 | Low | 27 | Fire Protection, Stock, Or Small Fish Pond | 1965 | |
| Walt Hoffman No.1 | Low | 27 | Fire Protection, Stock, Or Small Fish Pond | 1958 | |
| Selvin Johnson | Low | 26 | Fire Protection, Stock, Or Small Fish Pond | 1935 | |
| Sd Noname 174 | Low | 26 | Fire Protection, Stock, Or Small Fish Pond | 1959 | |
| Farmingdale (nid) | Low | Not Rated | 26 | Fire Protection, Stock, Or Small Fish Pond | 1936 |
| Shyne 1 | Low | 25 | Recreation | 1953 | |
| Kirk Cordes | Low | 25 | Fire Protection, Stock, Or Small Fish Pond | 1950 | |
| Peno Grazing Association | Low | 25 | Irrigation | 1952 | |
| Sd Noname 173 | Low | 25 | Fire Protection, Stock, Or Small Fish Pond | 1957 | |
| Pierce Dam | Low | 24 | Recreation | 1935 | |
| Lavon Shearer | Low | 24 | Fire Protection, Stock, Or Small Fish Pond | 1937 | |
| Kirk Cordes | Low | 24 | Fire Protection, Stock, Or Small Fish Pond | 1953 | |
| Missile 249 (nid) | Low | Not Rated | 24 | Fire Protection, Stock, Or Small Fish Pond | 1936 |
| Kirk Cordes | Low | 23 | Fire Protection, Stock, Or Small Fish Pond | 1943 | |
| Jerry Willuweit | Low | 23 | Fire Protection, Stock, Or Small Fish Pond | 1937 | |
| Larsen Lyman 1 | Low | 23 | Fire Protection, Stock, Or Small Fish Pond | 1958 | |
| Sd Noname 20 | Low | 23 | Irrigation | 1963 | |
| Harold Severson | Low | 22 | Fire Protection, Stock, Or Small Fish Pond | 1936 | |
| Julian Cheney | Low | 22 | Irrigation | 1950 | |
| William Huether | Low | 22 | Water Supply | 1958 | |
| Pace Dam | Low | 22 | Fish and Wildlife Pond | 2002 | |
| New Underwood | Low | 22 | Recreation | 1946 | |
| Bloom | Low | 21 | Fish and Wildlife Pond | 2001 | |
| Percy Dam | Low | 21 | Fire Protection, Stock, Or Small Fish Pond | 1956 | |
| Sd Noname 105 | Low | 21 | Fire Protection, Stock, Or Small Fish Pond | 1940 | |
| Sd Noname 11 | Low | 21 | Fire Protection, Stock, Or Small Fish Pond | 1938 | |
| Lurz | Low | 20 | Fire Protection, Stock, Or Small Fish Pond | 1957 | |
| Hoffman Dam | Low | 20 | Recreation | 1940 | |
| Dannie Oconnell | Low | 20 | Fire Protection, Stock, Or Small Fish Pond | 1960 | |
| Lewis Dam | Low | 20 | Fire Protection, Stock, Or Small Fish Pond | 1961 | |
| Pikes Pond | Low | 20 | Fish and Wildlife Pond | 1987 | |
| Sd Noname 100 | Low | 20 | Irrigation | 1965 | |
| Konrad Kjerstad | Low | 20 | Fire Protection, Stock, Or Small Fish Pond | 1954 | |
| Tennyson Dam | Low | 20 | Recreation | 1937 | |
| Kirk Cordes | Low | 20 | Fire Protection, Stock, Or Small Fish Pond | 1945 | |
| Sd Noname 138 | Low | 20 | Fire Protection, Stock, Or Small Fish Pond | 1957 | |
| Virgil Horton 2 | Low | 20 | Fire Protection, Stock, Or Small Fish Pond | 1937 | |
| Sieler Dam | Low | 20 | Fire Protection, Stock, Or Small Fish Pond | 1955 | |
| Larsen Lyman 2 | Low | 20 | Fire Protection, Stock, Or Small Fish Pond | 1959 | |
| South Whitewater 251 (nid) | Low | Not Rated | 20 | Fire Protection, Stock, Or Small Fish Pond | 1936 |
| Elmer Olsen | Low | 19 | Fire Protection, Stock, Or Small Fish Pond | 1940 | |
| Ward Dam | Low | 19 | Fish and Wildlife Pond | 1990 | |
| Johnson | Low | 19 | Fire Protection, Stock, Or Small Fish Pond | 1956 | |
| Sd Noname 110 | Low | 19 | Irrigation | 1953 | |
| Marsh Dam | Low | 18 | Fire Protection, Stock, Or Small Fish Pond | 1981 | |
| Sd Noname 10 | Low | 18 | Fire Protection, Stock, Or Small Fish Pond | 1960 | |
| Sd Noname 102 | Low | 18 | Fire Protection, Stock, Or Small Fish Pond | 1938 | |
| David Kitterman | Low | 18 | Fire Protection, Stock, Or Small Fish Pond | 1962 | |
| Bud Bloom | Low | 18 | Fire Protection, Stock, Or Small Fish Pond | 1936 | |
| Veryl Schroeder 1 | Low | 18 | Fire Protection, Stock, Or Small Fish Pond | 1955 | |
| Peterson Dam | Low | 18 | Fish and Wildlife Pond | 2000 | |
| Ed Frien Dam | Low | 18 | Fire Protection, Stock, Or Small Fish Pond | 1958 | |
| Virgil Horton 4 | Low | 18 | Fire Protection, Stock, Or Small Fish Pond | 1952 | |
| Quinn Dam | Low | 17 | Recreation | 1937 | |
| Sd Noname 12 | Low | 17 | Water Supply | 1952 | |
| Lavon Shearer | Low | 17 | Other | 1935 | |
| Milton Trask | Low | 17 | Fire Protection, Stock, Or Small Fish Pond | 1962 | |
| Theodore Kjerstad | Low | 17 | Fire Protection, Stock, Or Small Fish Pond | 1951 | |
| Sd Noname 36 | Low | 17 | Fire Protection, Stock, Or Small Fish Pond | 1948 | |
| Sd Noname 116 | Low | 17 | Fire Protection, Stock, Or Small Fish Pond | 1957 | |
| Glen Lakner | Low | 16 | Fire Protection, Stock, Or Small Fish Pond | 1947 | |
| Erwin Eisenbraun | Low | 16 | Fire Protection, Stock, Or Small Fish Pond | 1948 | |
| Sd Noname 18 | Low | 16 | Fire Protection, Stock, Or Small Fish Pond | 1958 | |
| Joe Papousek | Low | 16 | Fire Protection, Stock, Or Small Fish Pond | 1950 | |
| Hank Ranch Dam | Low | 16 | Fire Protection, Stock, Or Small Fish Pond | 1943 | |
| Sd Noname 173 | Low | 16 | Fire Protection, Stock, Or Small Fish Pond | 1957 | |
| Donald Kelly Dam | Low | 16 | Fire Protection, Stock, Or Small Fish Pond | 1958 | |
| Quinn Twp Dam | Low | 16 | Recreation | 1935 | |
| Thistle Dam | Low | Not Available | 15 | ||
| Baysinger Dam | Low | Not Available | 15 | ||
| Frank Anderson | Low | 15 | Fire Protection, Stock, Or Small Fish Pond | 1958 | |
| Sd Noname 108 | Low | 15 | Fire Protection, Stock, Or Small Fish Pond | 1935 | |
| Sd Noname 117 | Low | 15 | Fire Protection, Stock, Or Small Fish Pond | 1954 | |
| James Kjerstad | Low | 15 | Fire Protection, Stock, Or Small Fish Pond | 1950 | |
| Crown Dam | Low | 15 | Fire Protection, Stock, Or Small Fish Pond | 1950 | |
| George Knapp Dam | Low | 15 | Irrigation | 1955 | |
| Virgil Horton 1 | Low | 15 | Fire Protection, Stock, Or Small Fish Pond | 1916 | |
| Sd Noname 13 | Low | 15 | Fire Protection, Stock, Or Small Fish Pond | 1957 | |
| Sd Noname 126 | Low | 15 | Fire Protection, Stock, Or Small Fish Pond | 1947 | |
| Fortune Dam | Low | 15 | Fire Protection, Stock, Or Small Fish Pond | 1974 | |
| Sd Noname 111 | Low | 14 | Fire Protection, Stock, Or Small Fish Pond | 1949 | |
| Sage Creek 344 | Low | 14 | Fish and Wildlife Pond | 1937 | |
| Canata East 302 | Low | 14 | Fish and Wildlife Pond | 1938 | |
| Tony Krebs | Low | 14 | Fire Protection, Stock, Or Small Fish Pond | 1958 | |
| Old Town Dam | Low | 14 | Water Supply | 1941 | |
| New Underwood Land Partners Dam | Low | 14 | Recreation | 1986 | |
| Black Gap Pond | Low | 14 | Fire Protection, Stock, Or Small Fish Pond | 1938 | |
| Geigle Dam | Low | 13 | Fire Protection, Stock, Or Small Fish Pond | 1965 | |
| Sd Noname 178 | Low | 13 | Fire Protection, Stock, Or Small Fish Pond | 1936 | |
| Sd Noname 128 | Low | 13 | Fire Protection, Stock, Or Small Fish Pond | 1955 | |
| Sd Noname 115 | Low | 13 | Fire Protection, Stock, Or Small Fish Pond | 1950 | |
| Sd Noname 16 | Low | 12 | Fire Protection, Stock, Or Small Fish Pond | 1948 | |
| Boydston Dam | Low | 12 | Fire Protection, Stock, Or Small Fish Pond | 2017 | |
| Whitewater North Site #1 | Low | 11 | Debris Control | 2000 | |
| Sd Noname 22 | Low | 10 | Fire Protection, Stock, Or Small Fish Pond | 1955 | |
| Sd Noname 124 | Low | 9 | Fire Protection, Stock, Or Small Fish Pond | 1950 |