Dams in Harrison County, Iowa

100Total Dams
1High Hazard
1Significant
DamHazardConditionHeight (ft)PurposeYear
Mill Picayune Watershed Site B-3HighSatisfactory38Flood Risk Reduction1962
Harrison County Roadgrade Dam 18-79-43SignificantFair66Other1959
Boustead/coenen/pryor DamLowNot Rated62Fire Protection, Stock, Or Small Fish Pond1965
Mill Picayune Watershed Site M-2-1LowNot Rated61Fire Protection, Stock, Or Small Fish Pond1967
Rager DamLowNot Rated58Flood Risk Reduction2011
Weatherly/haight DamLowNot Rated57Fire Protection, Stock, Or Small Fish Pond1967
South Magnolia Watershed Site 1LowNot Rated57Fire Protection, Stock, Or Small Fish Pond1958
Schwertley DamLowNot Rated55Fire Protection, Stock, Or Small Fish Pond1959
Olsen DamLowNot Rated52Fire Protection, Stock, Or Small Fish Pond1961
Mosquito Of Harrison Watershed Site 5-1LowNot Rated52Fire Protection, Stock, Or Small Fish Pond1985
Mill Picayune Watershed Site P-39-1LowNot Rated51Fire Protection, Stock, Or Small Fish Pond1989
Mill Picayune Watershed Site S-10-1LowNot Rated51Fire Protection, Stock, Or Small Fish Pond1962
Mosquito Of Harrison Watershed Site 7-1LowNot Rated50Fire Protection, Stock, Or Small Fish Pond1993
KasparbauerLowNot Rated49Flood Risk Reduction2012
Johnson (oscar) DamLowNot Rated49Flood Risk Reduction2011
Mill Picayune Watershed Site S-10-2LowNot Rated49Fire Protection, Stock, Or Small Fish Pond1965
Schaben DamLowNot Rated48Fire Protection, Stock, Or Small Fish Pond1970
Mill Picayune Watershed Site M-3-1LowNot Rated48Fire Protection, Stock, Or Small Fish Pond1964
Mill Picayune Watershed Site S-8-2LowNot Rated48Fire Protection, Stock, Or Small Fish Pond1984
Spencer DamLowNot Rated47Fire Protection, Stock, Or Small Fish Pond2007
Mosquito Creek Watershed Site 6-5LowNot Rated47Fire Protection, Stock, Or Small Fish Pond1979
Harmony Creek Watershed Site 4LowNot Rated46Fire Protection, Stock, Or Small Fish Pond1958
Mosquito Creek Watershed Site 6-1LowNot Rated46Fire Protection, Stock, Or Small Fish Pond1979
Harmony Creek Watershed Site 6LowNot Rated45Fire Protection, Stock, Or Small Fish Pond1958
Mosquito Of Harrison Watershed Site 5-4LowNot Rated45Fire Protection, Stock, Or Small Fish Pond1988
Mill Picayune Watershed Site P-33-1LowNot Rated45Fire Protection, Stock, Or Small Fish Pond1965
Mill Picayune Watershed Site S-10-7LowNot Rated45Fire Protection, Stock, Or Small Fish Pond1962
Mill Picayune Watershed Site M-2-2LowNot Rated45Fire Protection, Stock, Or Small Fish Pond1967
South Magnolia Watershed Site ZLowNot Rated44Fire Protection, Stock, Or Small Fish Pond1958
Ramsey DamLowNot Rated43Grade Stabilization2000
Harmony Creek Watershed Site 1LowNot Rated43Fire Protection, Stock, Or Small Fish Pond1958
Mosquito Of Harrison Watershed Site 5-2LowNot Rated43Fire Protection, Stock, Or Small Fish Pond1988
Mc Intosh DamLowNot Rated42Fire Protection, Stock, Or Small Fish Pond1977
Burkhart DamLowNot Rated42Flood Risk Reduction2010
Harper Century Farm DamLowNot Rated42Flood Risk Reduction2011
Mill Picayune Watershed Site N-3LowNot Rated42Fire Protection, Stock, Or Small Fish Pond1973
Mill Picayune Watershed Site D-3LowNot Rated42Fire Protection, Stock, Or Small Fish Pond1968
Brummer DamLowNot Rated41Fire Protection, Stock, Or Small Fish Pond1945
Collier DamLowNot Rated41Fire Protection, Stock, Or Small Fish Pond1974
Cleveland DamLowNot Rated41Flood Risk Reduction2011
Winner DamLowNot Rated41Flood Risk Reduction2011
Koski DamLowNot Rated41Flood Risk Reduction2011
Harmony Creek Watershed Site 7LowNot Rated40Fire Protection, Stock, Or Small Fish Pond1958
Mosquito Of Harrison Watershed Site 5-3LowNot Rated40Fire Protection, Stock, Or Small Fish Pond1988
Mosquito Of Harrison Watershed Site 7-4LowNot Rated40Fire Protection, Stock, Or Small Fish Pond1993
Mosquito Creek Watershed Site 6-2LowNot Rated40Fire Protection, Stock, Or Small Fish Pond1979
Mill Picayune Watershed Site N-13-2LowNot Rated40Fire Protection, Stock, Or Small Fish Pond1961
Straight DamLowNot Rated39Flood Risk Reduction2011
Roy/kemmish DamLowNot Rated39Fire Protection, Stock, Or Small Fish Pond1960
Mill Picayune Watershed Site M-2-3LowNot Rated39Fire Protection, Stock, Or Small Fish Pond1967
Nowak DamLowNot Rated38Grade Stabilization2001
Mosquito Creek Watershed Site 11-2-2LowNot Rated38Fire Protection, Stock, Or Small Fish Pond1979
Iowa Noname18LowNot Rated37Fire Protection, Stock, Or Small Fish Pond1961
Kline/peterson DamLowNot Rated37Fire Protection, Stock, Or Small Fish Pond1966
South Magnolia Watershed Site 5LowNot Rated37Fire Protection, Stock, Or Small Fish Pond1958
Mill Picayune Watershed Site M-6-1LowNot Rated37Fire Protection, Stock, Or Small Fish Pond1992
Elias DamLowNot Rated36Fire Protection, Stock, Or Small Fish Pond1955
Cohrs DamLowNot Rated36Flood Risk Reduction2011
Mosquito Creek Watershed Site 13-1LowNot Rated36Fire Protection, Stock, Or Small Fish Pond1968
Mill Picayune Watershed Site I-1LowNot Rated35Fire Protection, Stock, Or Small Fish Pond1984
Buss DamLowNot Rated34Fire Protection, Stock, Or Small Fish Pond1996
Greenwood DamLowNot Rated34Fire Protection, Stock, Or Small Fish Pond1996
Smith (steve) DamLowNot Rated34Flood Risk Reduction2011
South Magnolia Watershed Site 4LowNot Rated34Fire Protection, Stock, Or Small Fish Pond1958
Mill Picayune Watershed Site G-1LowNot Rated34Fire Protection, Stock, Or Small Fish Pond1986
Mill Picayune Watershed Site S-8-3LowNot Rated34Fire Protection, Stock, Or Small Fish Pond1965
Mill Picayune Watershed Site S-32-1LowNot Rated34Fire Protection, Stock, Or Small Fish Pond1992
Bloom DamLowNot Rated33Fire Protection, Stock, Or Small Fish Pond2006
Mill Picayune Watershed Site E-1LowNot Rated33Fire Protection, Stock, Or Small Fish Pond1969
Mosquito Of Harrison Wtrshd Site11-1-3aLowNot Rated32Fire Protection, Stock, Or Small Fish Pond1996
Mill Picayune Watershed Site S-1LowNot Rated32Fire Protection, Stock, Or Small Fish Pond1994
Mc Clendon DamLowNot Rated31Fire Protection, Stock, Or Small Fish Pond2000
Heistand/erlewine DamLowNot Rated31Fire Protection, Stock, Or Small Fish Pond1968
Iowa Noname70LowNot Rated31Debris Control1976
Willow Lake DamLowNot Rated31Debris Control1976
Mosquito Of Harrison BLowNot Rated31Fire Protection, Stock, Or Small Fish Pond1987
Mill Picayune Watershed Site A-2LowNot Rated31Fire Protection, Stock, Or Small Fish Pond1966
Mill Picayune Watershed Site N-13-1LowNot Rated31Fire Protection, Stock, Or Small Fish Pond1965
Mill Picayune Watershed Site S-36-1LowNot Rated31Fire Protection, Stock, Or Small Fish Pond1992
Ganzhorn DamLowNot Rated30Fire Protection, Stock, Or Small Fish Pond1970
Grote DamLowNot Rated30Fire Protection, Stock, Or Small Fish Pond1974
Buss DamLowNot Rated30Flood Risk Reduction2011
Iowa Noname21LowNot Rated30Fire Protection, Stock, Or Small Fish Pond1965
Mill Picayune Watershed Site S-8-1LowNot Rated30Fire Protection, Stock, Or Small Fish Pond1985
Grap DamLowNot Rated29Flood Risk Reduction2011
Cunard DamLowNot Rated29Flood Risk Reduction2011
Mill Picayune Watershed Site S-4LowNot Rated29Other1991
Mosquito Of Harrison Watershed Site 7-2LowNot Rated29Fire Protection, Stock, Or Small Fish Pond1992
Mill Picayune Watershed Site P-41-1LowNot Rated29Fire Protection, Stock, Or Small Fish Pond1984
Mill Picayune Watershed Site P-4-1LowNot Rated29Fire Protection, Stock, Or Small Fish Pond1994
South Magnolia Watershed Site 3LowNot Rated28Fire Protection, Stock, Or Small Fish Pond1958
Andersen DamLowNot Rated27Grade Stabilization2001
Erickson DamLowNot Rated27Flood Risk Reduction2003
Mosquito Of Harrison Watershed Site C-1LowNot Rated27Fire Protection, Stock, Or Small Fish Pond1990
Stephany DamLowNot Rated26Fire Protection, Stock, Or Small Fish Pond1945
Heistand/swain DamLowNot Rated26Fire Protection, Stock, Or Small Fish Pond1968
Gochenour DamLowNot Rated25Fire Protection, Stock, Or Small Fish Pond2003
Harmony Creek Watershed Site 5LowNot Rated23Fire Protection, Stock, Or Small Fish Pond1958
Little Sioux River Bedgrade ControlLowNot Rated8Grade Stabilization1985
Little Sioux DamLowNot Rated7Other1963