Dams in Decatur County, Iowa
90Total Dams
1High Hazard
7Significant
Dam Safety in Decatur County, Iowa
Decatur County has 90 dams tracked in the National Inventory of Dams. Of these, 1 are classified as high hazard — meaning failure would probably cause loss of human life. Another 7 carry a significant hazard classification.
The average dam in Decatur County is 38 years old. The most common purpose is fire protection, stock, or small fish pond. The tallest dam is Little River Watershed Site M-1 at 61 ft.
Explore more: Oldest dams in Iowa · Tallest dams · High risk dams · Largest reservoirs
| Dam | Hazard | Condition | Height (ft) | Purpose | Year |
|---|---|---|---|---|---|
| Little River Watershed Site M-1 | High | Satisfactory | 61 | Flood Risk Reduction | 1984 |
| North Woods Lake Dam | Significant | Satisfactory | 57 | Water Supply | 1993 |
| Nine Eagles Park Lake Dam | Significant | Fair | 53 | Recreation | 1930 |
| Little River Watershed Site 65 | Significant | Fair | 45 | Flood Risk Reduction | 1987 |
| Homepond Dam | Significant | Fair | 30 | Water Supply | 1920 |
| Lake Lashane Dam | Significant | Satisfactory | 30 | Water Supply | 1954 |
| Little River Watershed Site 51-1 | Significant | Satisfactory | 30 | Recreation | 2005 |
| Little River Watershed Site 65-3 | Significant | Satisfactory | 22 | Flood Risk Reduction | 1980 |
| Iowa Noname11 | Low | Not Rated | 44 | Fire Protection, Stock, Or Small Fish Pond | 1969 |
| Grand River Cattle Dam | Low | Not Rated | 41 | Water Supply | 2007 |
| Smith Dam | Low | Not Rated | 35 | Fire Protection, Stock, Or Small Fish Pond | 1972 |
| Saxton Dam #2 | Low | Not Rated | 35 | Fire Protection, Stock, Or Small Fish Pond | 1987 |
| Rod And Reel Lake Dam | Low | Not Rated | 35 | Recreation | 1970 |
| Edward Schnurr Dam | Low | 33 | Grade Stabilization | 2019 | |
| Higdon Dam | Low | Not Rated | 33 | Fire Protection, Stock, Or Small Fish Pond | 2001 |
| Slip Bluff Park Dam | Low | Not Rated | 33 | Recreation | 1970 |
| Clark Dam | Low | Not Rated | 32 | Fire Protection, Stock, Or Small Fish Pond | 1988 |
| Acheson Dam | Low | Not Rated | 32 | Fire Protection, Stock, Or Small Fish Pond | 1995 |
| Johnson Dam | Low | Not Rated | 32 | Water Supply | 1974 |
| Binning Dam | Low | Not Rated | 31 | Fire Protection, Stock, Or Small Fish Pond | 2002 |
| Cowles Dam | Low | Not Rated | 31 | Fire Protection, Stock, Or Small Fish Pond | 1991 |
| Kellin Dam | Low | Not Rated | 31 | Fire Protection, Stock, Or Small Fish Pond | 1989 |
| Hawkins Dam | Low | Not Rated | 31 | Fire Protection, Stock, Or Small Fish Pond | 1969 |
| Little River Watershed Site 65-1 | Low | Not Rated | 31 | Fire Protection, Stock, Or Small Fish Pond | 1980 |
| Farm Dam | Low | Not Rated | 30 | Fire Protection, Stock, Or Small Fish Pond | 1987 |
| Andrew Dam | Low | Not Rated | 30 | Fire Protection, Stock, Or Small Fish Pond | 1983 |
| Iowa Noname10 | Low | Not Rated | 30 | Fire Protection, Stock, Or Small Fish Pond | 1967 |
| Mcintyre Dam | Low | Not Rated | 30 | Grade Stabilization | 2013 |
| Decatur County Roadgrade Dam 14-69-27 | Low | Not Rated | 30 | Other | 1987 |
| Little River Watershed Site 65-2 | Low | Not Rated | 30 | Flood Risk Reduction | 1980 |
| Thompson Dam | Low | Not Rated | 29 | Fire Protection, Stock, Or Small Fish Pond | 1965 |
| Saxton Dam | Low | Not Rated | 29 | Fire Protection, Stock, Or Small Fish Pond | 1987 |
| Richardson Dam | Low | Not Rated | 29 | Fire Protection, Stock, Or Small Fish Pond | 1985 |
| Cannon Dam | Low | Not Rated | 28 | Fire Protection, Stock, Or Small Fish Pond | 1988 |
| Massey Dam | Low | Not Rated | 28 | Fire Protection, Stock, Or Small Fish Pond | 1986 |
| Scott Dam | Low | Not Rated | 28 | Fire Protection, Stock, Or Small Fish Pond | 1981 |
| Ryun Dam | Low | Not Rated | 28 | Fire Protection, Stock, Or Small Fish Pond | 1994 |
| Simpson Dam | Low | Not Rated | 28 | Fire Protection, Stock, Or Small Fish Pond | 1991 |
| Mc Millan Dam | Low | Not Rated | 28 | Fire Protection, Stock, Or Small Fish Pond | 1987 |
| Saxton Dam #3 | Low | Not Rated | 28 | Fire Protection, Stock, Or Small Fish Pond | 1987 |
| Little River Watershed Site 58 | Low | Not Rated | 28 | Flood Risk Reduction | 2006 |
| Hanthorn Dam | Low | Not Rated | 27 | Fire Protection, Stock, Or Small Fish Pond | 1991 |
| Jones Dam | Low | Not Rated | 27 | Fire Protection, Stock, Or Small Fish Pond | 1992 |
| Leverson Dam | Low | Not Rated | 27 | Fire Protection, Stock, Or Small Fish Pond | 1991 |
| East Fork Big Cr Watershed Site Z-5-1 | Low | Not Rated | 27 | Fire Protection, Stock, Or Small Fish Pond | 1995 |
| Thompson Dam | Low | Not Rated | 26 | Fire Protection, Stock, Or Small Fish Pond | 1990 |
| Jass Dam | Low | Not Rated | 26 | Fire Protection, Stock, Or Small Fish Pond | 1979 |
| Doss Dam | Low | Not Rated | 26 | Fire Protection, Stock, Or Small Fish Pond | 1958 |
| West Fork Big Cr Wtrshd Site B-39 | Low | Not Rated | 26 | Flood Risk Reduction | 2003 |
| Olson Dam | Low | Not Rated | 25 | Fire Protection, Stock, Or Small Fish Pond | 1964 |
| West Fork Big Creek Watershed Site B-42 | Low | Not Rated | 25 | Flood Risk Reduction | 1996 |
| Faber Dam | Low | 24 | Recreation | 2020 | |
| Hinebaugh Dam | Low | Not Rated | 24 | Fire Protection, Stock, Or Small Fish Pond | 1979 |
| East Fork Big Cr Watershed Site E-6 | Low | Not Rated | 24 | Fire Protection, Stock, Or Small Fish Pond | 1995 |
| Kieser Dam | Low | Not Rated | 23 | Fire Protection, Stock, Or Small Fish Pond | 1988 |
| Adamson Dam | Low | Not Rated | 23 | Fire Protection, Stock, Or Small Fish Pond | 1993 |
| Hansell Farms Dam | Low | Not Rated | 23 | Fire Protection, Stock, Or Small Fish Pond | 1991 |
| West Fork Big Creek Watershed Site S-12 | Low | Not Rated | 23 | Fire Protection, Stock, Or Small Fish Pond | 1995 |
| East Fork Big Cr Wtrshd Site Z-5-2 | Low | Not Rated | 23 | Flood Risk Reduction | 2003 |
| East Fork Big Cr Watershed Site E-12 | Low | Not Rated | 23 | Fire Protection, Stock, Or Small Fish Pond | 1992 |
| East Fork Big Cr Watershed Site E-18 | Low | Not Rated | 23 | Flood Risk Reduction | 1990 |
| East Fork Big Cr Watershed Site E-17 | Low | Not Rated | 23 | Fire Protection, Stock, Or Small Fish Pond | 1995 |
| West Fork Big Creek Watershed Site S-10 | Low | Not Rated | 22 | Fire Protection, Stock, Or Small Fish Pond | 1996 |
| West Fork Big Creek Watershed Site S-9 | Low | Not Rated | 22 | Fire Protection, Stock, Or Small Fish Pond | 1996 |
| West Fork Big Creek Watershed Site S-13 | Low | Not Rated | 22 | Fire Protection, Stock, Or Small Fish Pond | 1996 |
| West Fork Big Cr Wtrshd Site B-37 | Low | Not Rated | 22 | Flood Risk Reduction | 2005 |
| West Fork Big Cr Wtrshd Site B-182 | Low | Not Rated | 22 | Flood Risk Reduction | 2003 |
| East Fork Big Cr Watershed Site E-14 | Low | Not Rated | 22 | Flood Risk Reduction | 1990 |
| West Fk Big Cr Watshd Site S-7 | Low | Not Rated | 21 | Flood Risk Reduction | 1996 |
| West Fork Big Cr Wtrshd Site S-6 | Low | Not Rated | 21 | Flood Risk Reduction | 2003 |
| East Fork Big Cr Watershed Site Z-2 | Low | Not Rated | 21 | Flood Risk Reduction | 1990 |
| West Fork Big Cr Wtrshd Site B-32 | Low | Not Rated | 21 | Flood Risk Reduction | 2003 |
| Schwab Dam | Low | Not Rated | 20 | Fire Protection, Stock, Or Small Fish Pond | 1978 |
| East Fork Big Cr Watershed Site Z-6 | Low | Not Rated | 20 | Flood Risk Reduction | 1990 |
| West Fork Big Creek Watershed Site S-8 | Low | Not Rated | 20 | Fire Protection, Stock, Or Small Fish Pond | 1995 |
| East Fork Big Cr Watershed Site Z-4 | Low | Not Rated | 20 | Fire Protection, Stock, Or Small Fish Pond | 1995 |
| West Fork Big Creek Watershed Site S-48 | Low | Not Rated | 20 | Fire Protection, Stock, Or Small Fish Pond | 1995 |
| East Fork Big Cr Watershed Site Z-1 | Low | Not Rated | 20 | Flood Risk Reduction | 1990 |
| West Fork Big Cr Wtrshd Site B-38 | Low | Not Rated | 20 | Flood Risk Reduction | |
| Webb Dam | Low | Not Rated | 19 | Fire Protection, Stock, Or Small Fish Pond | 1978 |
| East Fork Big Cr Watershed Site E-15 | Low | Not Rated | 19 | Flood Risk Reduction | 1990 |
| East Fork Big Cr Wtrshd Site Z-6 | Low | Not Rated | 18 | Flood Risk Reduction | 2003 |
| West Fork Big Creek Watershed Site S-16 | Low | Not Rated | 18 | Fire Protection, Stock, Or Small Fish Pond | 1996 |
| East Fork Big Cr Watershed Site E-16 | Low | Not Rated | 18 | Fire Protection, Stock, Or Small Fish Pond | 1992 |
| East Fork Big Cr Watershed Site E-2 | Low | Not Rated | 18 | Flood Risk Reduction | 1990 |
| East Fork Big Cr Watershed Site E-3 | Low | Not Rated | 18 | Fire Protection, Stock, Or Small Fish Pond | 1995 |
| East Fork Big Cr Watershed Site E-10 | Low | Not Rated | 17 | Flood Risk Reduction | 1990 |
| East Fork Big Cr Watershed Site E-4 | Low | Not Rated | 16 | Flood Risk Reduction | 1990 |
| East Fork Big Cr Watershed Site E-5 | Low | Not Rated | 14 | Flood Risk Reduction | 1990 |
| Graceland College Dam | Low | Not Rated | 12 | Recreation | 1959 |