Dams in Dallas County, Iowa
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 Rated | 52 | Fire Protection, Stock, Or Small Fish Pond | 2002 |
| Midwest Oilseeds Dam | Low | Not Rated | 51 | Fire Protection, Stock, Or Small Fish Pond | 2000 |
| Johnston Dam | Low | Not Rated | 43 | Fire Protection, Stock, Or Small Fish Pond | 1971 |
| Lauterbach Dam | Low | Not Rated | 40 | Fire Protection, Stock, Or Small Fish Pond | 1974 |
| Elliot Dam | Low | Not Rated | 40 | Fire Protection, Stock, Or Small Fish Pond | 1965 |
| Harkrader Dam | Low | Not Rated | 38 | Fire Protection, Stock, Or Small Fish Pond | 1969 |
| Glissman Dam | Low | Not Rated | 37 | Fire Protection, Stock, Or Small Fish Pond | 1969 |
| Freestone Dam | Low | Not Rated | 36 | Fire Protection, Stock, Or Small Fish Pond | 2000 |
| Arnburg Dam | Low | Not Rated | 35 | Fire Protection, Stock, Or Small Fish Pond | 1997 |
| Appenzeller Dam | Low | Not Rated | 35 | Fire Protection, Stock, Or Small Fish Pond | 1961 |
| Garns Dam | Low | Not Rated | 34 | Fire Protection, Stock, Or Small Fish Pond | 1994 |
| Jungman Dam | Low | Not Rated | 34 | Fire Protection, Stock, Or Small Fish Pond | 1987 |
| Saylorville Wildlife Area Dam | Low | Not Rated | 34 | Fish and Wildlife Pond | |
| Robbins Dam | Low | Not Rated | 33 | Fire Protection, Stock, Or Small Fish Pond | 1967 |
| Jonbar Ranch Dam | Low | Not Rated | 33 | Fire Protection, Stock, Or Small Fish Pond | 1966 |
| Midwest Oilseeds Dam | Low | Not Rated | 33 | Fire Protection, Stock, Or Small Fish Pond | 2002 |
| Tweedy Dam | Low | Not Rated | 32 | Fire Protection, Stock, Or Small Fish Pond | 1982 |
| Frette Dam | Low | Not Rated | 32 | Fire Protection, Stock, Or Small Fish Pond | 1990 |
| J.s.c. Farms Dam | Low | Not Rated | 32 | Fire Protection, Stock, Or Small Fish Pond | 1989 |
| Lienemann Dam | Low | Not Rated | 31 | Fire Protection, Stock, Or Small Fish Pond | 1980 |
| Cook Dam | Low | Not Rated | 31 | Fire Protection, Stock, Or Small Fish Pond | 1965 |
| Rhoten Dam | Low | 31 | Grade Stabilization | 2003 | |
| Wilhelmi Dam | Low | Not Rated | 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 Rated | 30 | Fire Protection, Stock, Or Small Fish Pond | 1977 |
| Ory Dam | Low | Not Rated | 30 | Fire Protection, Stock, Or Small Fish Pond | 1998 |
| Lanning Dam | Low | Not Rated | 29 | Fire Protection, Stock, Or Small Fish Pond | 1988 |
| Findley Dam | Low | Not Rated | 29 | Fire Protection, Stock, Or Small Fish Pond | |
| Webster Dam | Low | Not Rated | 29 | Fire Protection, Stock, Or Small Fish Pond | 1979 |
| Jungman Dam | Low | Not Rated | 29 | Fire Protection, Stock, Or Small Fish Pond | 1968 |
| Slater Dam | Low | Not Rated | 29 | Fire Protection, Stock, Or Small Fish Pond | 1967 |
| Jungman Dam | Low | Not Rated | 29 | Fire Protection, Stock, Or Small Fish Pond | 1990 |
| Keeron Dam | Low | Not Rated | 28 | Fire Protection, Stock, Or Small Fish Pond | 1969 |
| Spillers Dam | Low | Not Rated | 28 | Fire Protection, Stock, Or Small Fish Pond | 1962 |
| Miller Dam | Low | Not Rated | 28 | Fire Protection, Stock, Or Small Fish Pond | 1992 |
| Martin Dam | Low | Not Rated | 27 | Fire Protection, Stock, Or Small Fish Pond | 1964 |
| Denman Dam | Low | Not Rated | 26 | Fire Protection, Stock, Or Small Fish Pond | 1977 |
| Shattuck Dam | Low | Not Rated | 26 | Fire Protection, Stock, Or Small Fish Pond | 2007 |
| Broderick Dam | Low | Not Rated | 26 | Fire Protection, Stock, Or Small Fish Pond | 1966 |
| Brenton Farm Dam | Low | Not Rated | 26 | Fire Protection, Stock, Or Small Fish Pond | 1968 |
| Lauterbach Dam | Low | Not Rated | 25 | Fire Protection, Stock, Or Small Fish Pond | 1997 |
| Jonbar Ranch Dam | Low | Not Rated | 25 | Fire Protection, Stock, Or Small Fish Pond | 1957 |
| Jsc Farms Dam 1 | Low | Not Rated | 25 | Fire Protection, Stock, Or Small Fish Pond | 1994 |
| Lake Point Dam | Low | Not Rated | 20 | Other | 1992 |
| C And R Ag Dam | Low | Not Rated | 20 | Fire Protection, Stock, Or Small Fish Pond | 2007 |
| Sugar Creek Lake Dam | Low | Not Rated | 19 | Recreation | 1963 |
| Adel Milldam | Low | Not Rated | 15 | Water Supply | 1927 |
| Reed's Crossiing Detention Pond Dam | Low | Not Rated | 13 | Flood Risk Reduction | 2004 |
| Hughes - Stine Wetland Dam | Low | Not Rated | 10 | Fish and Wildlife Pond | 2003 |
| Redfield Dam | Low | Not Rated | 9 | Recreation | 1913 |