66Total Dams
3High Hazard
13Significant
Dam Safety in Dallas County, Iowa
Dallas County has 66 dams tracked in the National Inventory of Dams. Of these, 3 are classified as high hazard — meaning failure would probably cause loss of human life. Another 13 carry a significant hazard classification.
The average dam in Dallas County is 43 years old. The most common purpose is fire protection, stock, or small fish pond. The tallest dam is Maffitt Reservoir Dam at 79 ft.
Explore more: Oldest dams in Iowa · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Maffitt Reservoir Dam | High | Satisfactory | 79 | Water Supply | 1944 |
| Southfork Dam | High | Satisfactory | 38 | Other | 1988 |
| Heritage Woods Dam | High | Satisfactory | 35 | Recreation | 2008 |
| Pheasant Ridge Dam | Significant | Satisfactory | 54 | Water Supply | 1972 |
| Greenbriar Dam | Significant | Satisfactory | 52 | Other | 1972 |
| Jsc Farms Dam | Significant | Satisfactory | 49 | Recreation | 1995 |
| Beaver Lake Dam | Significant | Satisfactory | 43 | Recreation | 1990 |
| Oak Hill Plantation Dam | Significant | Satisfactory | 32 | Recreation | 2004 |
| Napa Valley Dam | Significant | Fair | 32 | Recreation | 1988 |
| Doty Dam | Significant | Satisfactory | 30 | Fire Protection, Stock, Or Small Fish Pond | 1961 |
| Cross Country Estates Dam | Significant | Satisfactory | 29 | Recreation | 2002 |
| Drews Lake Dam | Significant | Satisfactory | 20 | Recreation | 2005 |
| Country Club Business Park Dam | Significant | Fair | 18 | Other | 1989 |
| Hallbrook Pond Dam | Significant | Satisfactory | 17 | Flood Risk Reduction | 2009 |
| Jordan Creek Mall - Northwest Dam | Significant | Satisfactory | 17 | 2006 | |
| Jordan Creek Mall - South Dam | Significant | Satisfactory | 17 | 2006 | |
| Midwest Oilseed Dam #2 | Low | Not assessed | 52 | Fire Protection, Stock, Or Small Fish Pond | 2002 |
| Midwest Oilseeds Dam | Low | Not assessed | 51 | Fire Protection, Stock, Or Small Fish Pond | 2000 |
| Johnston Dam | Low | Not assessed | 43 | Fire Protection, Stock, Or Small Fish Pond | 1971 |
| Lauterbach Dam | Low | Not assessed | 40 | Fire Protection, Stock, Or Small Fish Pond | 1974 |
| Elliot Dam | Low | Not assessed | 40 | Fire Protection, Stock, Or Small Fish Pond | 1965 |
| Harkrader Dam | Low | Not assessed | 38 | Fire Protection, Stock, Or Small Fish Pond | 1969 |
| Glissman Dam | Low | Not assessed | 37 | Fire Protection, Stock, Or Small Fish Pond | 1969 |
| Freestone Dam | Low | Not assessed | 36 | Fire Protection, Stock, Or Small Fish Pond | 2000 |
| Arnburg Dam | Low | Not assessed | 35 | Fire Protection, Stock, Or Small Fish Pond | 1997 |
| Appenzeller Dam | Low | Not assessed | 35 | Fire Protection, Stock, Or Small Fish Pond | 1961 |
| Garns Dam | Low | Not assessed | 34 | Fire Protection, Stock, Or Small Fish Pond | 1994 |
| Jungman Dam | Low | Not assessed | 34 | Fire Protection, Stock, Or Small Fish Pond | 1987 |
| Saylorville Wildlife Area Dam | Low | Not assessed | 34 | Fish and Wildlife Pond | |
| Robbins Dam | Low | Not assessed | 33 | Fire Protection, Stock, Or Small Fish Pond | 1967 |
| Jonbar Ranch Dam | Low | Not assessed | 33 | Fire Protection, Stock, Or Small Fish Pond | 1966 |
| Midwest Oilseeds Dam | Low | Not assessed | 33 | Fire Protection, Stock, Or Small Fish Pond | 2002 |
| Tweedy Dam | Low | Not assessed | 32 | Fire Protection, Stock, Or Small Fish Pond | 1982 |
| Frette Dam | Low | Not assessed | 32 | Fire Protection, Stock, Or Small Fish Pond | 1990 |
| J.s.c. Farms Dam | Low | Not assessed | 32 | Fire Protection, Stock, Or Small Fish Pond | 1989 |
| Lienemann Dam | Low | Not assessed | 31 | Fire Protection, Stock, Or Small Fish Pond | 1980 |
| Cook Dam | Low | Not assessed | 31 | Fire Protection, Stock, Or Small Fish Pond | 1965 |
| Rhoten Dam | Low | Not assessed | 31 | Grade Stabilization | 2003 |
| Wilhelmi Dam | Low | Not assessed | 30 | Fire Protection, Stock, Or Small Fish Pond | 2002 |
| Earl Anderson Dam | Low | Satisfactory | 30 | Fire Protection, Stock, Or Small Fish Pond | 1996 |
| Meggison Dam | Low | Not assessed | 30 | Fire Protection, Stock, Or Small Fish Pond | 1977 |
| Ory Dam | Low | Not assessed | 30 | Fire Protection, Stock, Or Small Fish Pond | 1998 |
| Lanning Dam | Low | Not assessed | 29 | Fire Protection, Stock, Or Small Fish Pond | 1988 |
| Findley Dam | Low | Not assessed | 29 | Fire Protection, Stock, Or Small Fish Pond | |
| Webster Dam | Low | Not assessed | 29 | Fire Protection, Stock, Or Small Fish Pond | 1979 |
| Jungman Dam | Low | Not assessed | 29 | Fire Protection, Stock, Or Small Fish Pond | 1968 |
| Slater Dam | Low | Not assessed | 29 | Fire Protection, Stock, Or Small Fish Pond | 1967 |
| Jungman Dam | Low | Not assessed | 29 | Fire Protection, Stock, Or Small Fish Pond | 1990 |
| Keeron Dam | Low | Not assessed | 28 | Fire Protection, Stock, Or Small Fish Pond | 1969 |
| Spillers Dam | Low | Not assessed | 28 | Fire Protection, Stock, Or Small Fish Pond | 1962 |
| Miller Dam | Low | Not assessed | 28 | Fire Protection, Stock, Or Small Fish Pond | 1992 |
| Martin Dam | Low | Not assessed | 27 | Fire Protection, Stock, Or Small Fish Pond | 1964 |
| Denman Dam | Low | Not assessed | 26 | Fire Protection, Stock, Or Small Fish Pond | 1977 |
| Shattuck Dam | Low | Not assessed | 26 | Fire Protection, Stock, Or Small Fish Pond | 2007 |
| Broderick Dam | Low | Not assessed | 26 | Fire Protection, Stock, Or Small Fish Pond | 1966 |
| Brenton Farm Dam | Low | Not assessed | 26 | Fire Protection, Stock, Or Small Fish Pond | 1968 |
| Lauterbach Dam | Low | Not assessed | 25 | Fire Protection, Stock, Or Small Fish Pond | 1997 |
| Jonbar Ranch Dam | Low | Not assessed | 25 | Fire Protection, Stock, Or Small Fish Pond | 1957 |
| Jsc Farms Dam 1 | Low | Not assessed | 25 | Fire Protection, Stock, Or Small Fish Pond | 1994 |
| Lake Point Dam | Low | Not assessed | 20 | Other | 1992 |
| C and R Ag Dam | Low | Not assessed | 20 | Fire Protection, Stock, Or Small Fish Pond | 2007 |
| Sugar Creek Lake Dam | Low | Not assessed | 19 | Recreation | 1963 |
| Adel Milldam | Low | Not assessed | 15 | Water Supply | 1927 |
| Reed's Crossiing Detention Pond Dam | Low | Not assessed | 13 | Flood Risk Reduction | 2004 |
| Hughes - Stine Wetland Dam | Low | Not assessed | 10 | Fish and Wildlife Pond | 2003 |
| Redfield Dam | Low | Not assessed | 9 | Recreation | 1913 |