37Total Dams
0High Hazard
6Significant
Dam Safety in Mahaska County, Iowa
Mahaska County has 37 dams tracked in the National Inventory of Dams. Another 6 carry a significant hazard classification.
The average dam in Mahaska County is 49 years old. The most common purpose is fire protection, stock, or small fish pond. The tallest dam is Hawthorne Lake Dam at 45 ft.
Explore more: Oldest dams in Iowa · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Hawthorne Lake Dam | Significant | Satisfactory | 45 | Recreation | 1979 |
| Lake Keomah Dam | Significant | Satisfactory | 42 | Recreation | 1935 |
| White Oak Lake Dam | Significant | Satisfactory | 39 | Recreation | 1983 |
| Bernstein Dam | Significant | Not assessed | 35 | Recreation | 1976 |
| West Lake Dam (mahaska Co) | Significant | Satisfactory | 32 | Recreation | 1989 |
| Fox Run Development - Lower Dam | Significant | Not assessed | 15 | Flood Risk Reduction | 1996 |
| Hull Reclamation Site 10 | Low | Not assessed | 42 | Recreation | 1988 |
| Naylor Dam | Low | Not assessed | 35 | Fire Protection, Stock, Or Small Fish Pond | 1971 |
| Gatton Dam | Low | Not assessed | 30 | Fire Protection, Stock, Or Small Fish Pond | 1982 |
| Groenedyk Dam | Low | Not assessed | 30 | Fire Protection, Stock, Or Small Fish Pond | 1974 |
| Vos Dam | Low | Not assessed | 30 | Fire Protection, Stock, Or Small Fish Pond | 1968 |
| Perkins Dam | Low | Not assessed | 30 | Fire Protection, Stock, Or Small Fish Pond | 1958 |
| Van Donselar Dam | Low | Not assessed | 30 | Fire Protection, Stock, Or Small Fish Pond | 1998 |
| Hynick Dam | Low | Not assessed | 29 | Fire Protection, Stock, Or Small Fish Pond | 1963 |
| Veldhuizen Dam | Low | Not assessed | 29 | Fire Protection, Stock, Or Small Fish Pond | 1985 |
| Perkins Dam | Low | Not assessed | 29 | Fire Protection, Stock, Or Small Fish Pond | 1970 |
| Taylor Dam | Low | Not assessed | 28 | Fire Protection, Stock, Or Small Fish Pond | 1996 |
| Akerman Dam | Low | Not assessed | 28 | Fire Protection, Stock, Or Small Fish Pond | 1966 |
| Wheeler Dam | Low | Not assessed | 28 | Fire Protection, Stock, Or Small Fish Pond | 1960 |
| Hynick Dam 2 | Low | Not assessed | 28 | Fire Protection, Stock, Or Small Fish Pond | 1962 |
| Robinson Dam | Low | Not assessed | 27 | Fire Protection, Stock, Or Small Fish Pond | 1997 |
| Van Veldhuizen Dam | Low | Not assessed | 27 | Recreation | 1977 |
| Vander Molen Dam | Low | Not assessed | 27 | Recreation | 1974 |
| Rozenboom/estal Dam | Low | Not assessed | 26 | Recreation | 1977 |
| Hull Reclamation Site 5 | Low | Not assessed | 26 | Recreation | 1988 |
| Baker Dam | Low | Not assessed | 25 | Fire Protection, Stock, Or Small Fish Pond | 1974 |
| Bernstein Estate Dam | Low | Not assessed | 25 | Grade Stabilization | 2000 |
| Engbers Dam | Low | Not assessed | 25 | Recreation | 1976 |
| Lake Keomah Silt Dam | Low | Not assessed | 25 | Other | 1938 |
| Fox Run Development - Upper Dam | Low | Not assessed | 25 | Flood Risk Reduction | 1996 |
| Scheuermann Dam | Low | Not assessed | 24 | Fire Protection, Stock, Or Small Fish Pond | 1968 |
| Gatton Dam | Low | Not assessed | 23 | Fire Protection, Stock, Or Small Fish Pond | 1976 |
| Edel Dam | Low | Not assessed | 22 | Fire Protection, Stock, Or Small Fish Pond | 1975 |
| Hugen Dam | Low | Not assessed | 22 | Fire Protection, Stock, Or Small Fish Pond | 1963 |
| Charles Springer Dam | Low | Not assessed | 21 | Grade Stabilization | 1978 |
| Hankins Dam | Low | Not assessed | 20 | Fire Protection, Stock, Or Small Fish Pond | 1967 |
| Van Veldhuizen Dam | Low | Not assessed | 7 | Fish and Wildlife Pond | 1996 |