Dams in Union, Iowa

127
Total Dams
2
High Hazard
5
Significant
41.4 yrs
Avg Age
Hazard Name Height
Dam Name Hazard Height Built Type State
Twelve Mile Creek Watershed Site M-1 Union High Hazard 66 ft 1983 Earth Iowa
Creston Flood Prevention Dam Union High Hazard 27 ft 1975 Earth Iowa
Green Valley Lake Dam Union Significant Hazard 41 ft 1953 Earth Iowa
Afton Reservoir Dam Union Significant Hazard 51 ft 1936 Earth Iowa
Mc Kinley Lake Dam Union Significant Hazard 19 ft 1920 Earth Iowa
Three Mile Reservoir Dam Union Significant Hazard 63 ft 1995 Earth Iowa
Twelve Mile Creek Watershed Site D-62-1 Union Significant Hazard 35 ft 1985 Earth Iowa
Twelve Mile Creek Watershed Site 72-1 Union Low Hazard 27 ft 1979 Earth Iowa
Three Mile Creek Watershed Site 50-1 Union Low Hazard 33 ft 1976 Earth Iowa
Three Mile Creek Watershed Site 52-1 Union Low Hazard 35 ft 1976 Earth Iowa
Twelve Mile Creek Watershed Site 46 Union Low Hazard 28 ft 1993 Earth Iowa
Henco Dam Union Low Hazard 28 ft 1982 Earth Iowa
Three Mile Creek Watershed Site 49 Union Low Hazard 37 ft 1976 Earth Iowa
Three Mile Creek Watershed Site 14-P Union Low Hazard 23 ft 1976 Earth Iowa
East Fork Grand River Watershed Site A-55 Union Low Hazard 22 ft 2008 Earth Iowa
Three Mile Creek Watershed Site U-7 Union Low Hazard 27 ft 1980 Earth Iowa
East Fork Grand River Watershed Site A-35 Union Low Hazard 25 ft 2011 Earth Iowa
Twelvemile Creek Watershed Site D-41-A2 Union Low Hazard 38 ft 1999 Earth Iowa
Twelve Mile Creek Watershed Site D-35 Union Low Hazard 38 ft 1988 Earth Iowa
Twelve Mile Creek Watershed Site 62-5 Union Low Hazard 36 ft 2003 Earth Iowa
Twelve Mile Creek Watershed Site 68-2 Union Low Hazard 25 ft 1979 Earth Iowa
East Fork Grand River Watershed Site A-32 Union Low Hazard 29 ft 2005 Earth Iowa
Twelve Mile Creek Watershed Site 71 Union Low Hazard 23 ft 1993 Earth Iowa
Twelve Mile Creek Watershed Site 67 Union Low Hazard 28 ft 1979 Earth Iowa
Maxwell Dam Union Low Hazard 21 ft 1983 Earth Iowa
Twelve Mile Creek Watershed Site 40-1 Union Low Hazard 33 ft 1993 Earth Iowa
Twelve Mile Creek Watershed Site D-44 Union Low Hazard 34 ft 2003 Earth Iowa
Three Mile Creek Watershed Site U-5-A Union Low Hazard 24 ft 1980 Earth Iowa
Three Mile Creek Watershed Site U-2 Union Low Hazard 26 ft 1980 Earth Iowa
Three Mile Creek Watershed Site 33 Union Low Hazard 36 ft 1976 Earth Iowa
East Fork Grand River Watershed Site A-37 Union Low Hazard 24 ft 2005 Earth Iowa
Twelve Mile Creek Watershed Site D-41-A-5 Union Low Hazard 36 ft 2006 Earth Iowa
Kelly Dam Union Low Hazard 27 ft 2002 Earth Iowa
Mc Guire Dam Union Low Hazard 29 ft 2003 Earth Iowa
Three Mile Creek Watershed Site 29 Union Low Hazard 33 ft 1970 Earth Iowa
Three Mile Creek Watershed Site 14-G Union Low Hazard 31 ft 1970 Earth Iowa
Three Mile Creek Watershed Site 9 Union Low Hazard 31 ft 1970 Earth Iowa
Twelve Mile Creek Watershed Site 62-4 Union Low Hazard 30 ft 1979 Earth Iowa
Three Mile Creek Watershed Site 36 Union Low Hazard 35 ft 1976 Earth Iowa
Three Mile Creek Watershed Site 14-G-1 Union Low Hazard 27 ft 1976 Earth Iowa
Three Mile Creek Watershed Site 14-M Union Low Hazard 25 ft 1976 Earth Iowa
Three Mile Creek Watershed Site 3 Union Low Hazard 33 ft 1970 Earth Iowa
Twelve Mile Creek Watershed Site 58 Union Low Hazard 28 ft 1985 Earth Iowa
Twelve Mile Creek Watershed Site 72-2 Union Low Hazard 23 ft 1979 Earth Iowa
Three Mile Creek Watershed Site 45-2 Union Low Hazard 31 ft 1970 Earth Iowa
Three Mile Creek Watershed Site 43-1 Union Low Hazard 32 ft 1976 Earth Iowa
Three Mile Creek Watershed Site U-3 Union Low Hazard 23 ft 1980 Earth Iowa
Three Mile Creek Watershed Site 58 Union Low Hazard 32 ft 1968 Earth Iowa
Hawk Lake Dam Union Low Hazard 18 ft 1967 Earth Iowa
Twelve Mile Creek Watershed Site 36 Union Low Hazard 31 ft 2003 Earth Iowa