Dams in Mahaska County, Iowa
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 Rated | 35 | Recreation | 1976 |
| West Lake Dam (mahaska Co) | Significant | Satisfactory | 32 | Recreation | 1989 |
| Fox Run Development - Lower Dam | Significant | Not Rated | 15 | Flood Risk Reduction | 1996 |
| Hull Reclamation Site 10 | Low | Not Rated | 42 | Recreation | 1988 |
| Naylor Dam | Low | Not Rated | 35 | Fire Protection, Stock, Or Small Fish Pond | 1971 |
| Gatton Dam | Low | Not Rated | 30 | Fire Protection, Stock, Or Small Fish Pond | 1982 |
| Groenedyk Dam | Low | Not Rated | 30 | Fire Protection, Stock, Or Small Fish Pond | 1974 |
| Vos Dam | Low | Not Rated | 30 | Fire Protection, Stock, Or Small Fish Pond | 1968 |
| Perkins Dam | Low | Not Rated | 30 | Fire Protection, Stock, Or Small Fish Pond | 1958 |
| Van Donselar Dam | Low | Not Rated | 30 | Fire Protection, Stock, Or Small Fish Pond | 1998 |
| Hynick Dam | Low | Not Rated | 29 | Fire Protection, Stock, Or Small Fish Pond | 1963 |
| Veldhuizen Dam | Low | Not Rated | 29 | Fire Protection, Stock, Or Small Fish Pond | 1985 |
| Perkins Dam | Low | Not Rated | 29 | Fire Protection, Stock, Or Small Fish Pond | 1970 |
| Taylor Dam | Low | Not Rated | 28 | Fire Protection, Stock, Or Small Fish Pond | 1996 |
| Akerman Dam | Low | Not Rated | 28 | Fire Protection, Stock, Or Small Fish Pond | 1966 |
| Wheeler Dam | Low | Not Rated | 28 | Fire Protection, Stock, Or Small Fish Pond | 1960 |
| Hynick Dam 2 | Low | Not Rated | 28 | Fire Protection, Stock, Or Small Fish Pond | 1962 |
| Robinson Dam | Low | Not Rated | 27 | Fire Protection, Stock, Or Small Fish Pond | 1997 |
| Van Veldhuizen Dam | Low | Not Rated | 27 | Recreation | 1977 |
| Vander Molen Dam | Low | Not Rated | 27 | Recreation | 1974 |
| Rozenboom/estal Dam | Low | Not Rated | 26 | Recreation | 1977 |
| Hull Reclamation Site 5 | Low | Not Rated | 26 | Recreation | 1988 |
| Baker Dam | Low | Not Rated | 25 | Fire Protection, Stock, Or Small Fish Pond | 1974 |
| Bernstein Estate Dam | Low | Not Rated | 25 | Grade Stabilization | 2000 |
| Engbers Dam | Low | Not Rated | 25 | Recreation | 1976 |
| Lake Keomah Silt Dam | Low | Not Rated | 25 | Other | 1938 |
| Fox Run Development - Upper Dam | Low | Not Rated | 25 | Flood Risk Reduction | 1996 |
| Scheuermann Dam | Low | Not Rated | 24 | Fire Protection, Stock, Or Small Fish Pond | 1968 |
| Gatton Dam | Low | Not Rated | 23 | Fire Protection, Stock, Or Small Fish Pond | 1976 |
| Edel Dam | Low | Not Rated | 22 | Fire Protection, Stock, Or Small Fish Pond | 1975 |
| Hugen Dam | Low | Not Rated | 22 | Fire Protection, Stock, Or Small Fish Pond | 1963 |
| Charles Springer Dam | Low | 21 | Grade Stabilization | 1978 | |
| Hankins Dam | Low | Not Rated | 20 | Fire Protection, Stock, Or Small Fish Pond | 1967 |
| Van Veldhuizen Dam | Low | Not Rated | 7 | Fish and Wildlife Pond | 1996 |