List of dams and reservoirs in Iowa

Following is a list of dams and reservoirs in Iowa.

All major dams are linked below. The National Inventory of Dams defines any "major dam" as being 50 ft tall with a storage capacity of at least 5000 acre.ft, or of any height with a storage capacity of 25000 acre.ft.

Dams and reservoirs in Iowa



 * This list is incomplete. You can help Wikipedia by expanding it.


 * Coralville Dam, Coralville Lake, United States Army Corps of Engineers
 * Dale Maffitt Dam, Dale Maffitt Reservoir, Des Moines Water Works
 * Delhi Dam, Lake Delhi, locally owned (breached 2010)
 * Lake Icaria Dam, Lake Icaria, Adams County Soil and Water Conservation District
 * Lock and Dam No. 9, Big Lake and Lake Winneshiek, USACE
 * Lock and Dam No. 10, Mississippi River, USACE
 * Lock and Dam No. 11, Mississippi River, USACE
 * Lock and Dam No. 12, Mississippi River, USACE
 * Lock and Dam No. 13, Lake Clinton, USACE
 * Lock and Dam No. 14, Mississippi River, USACE
 * Lock and Dam No. 15, Mississippi River, USACE
 * Lock and Dam No. 16, Mississippi River, USACE
 * Lock and Dam No. 17, Mississippi River, USACE
 * Lock and Dam No. 18, Mississippi River, USACE
 * Lock and Dam No. 19, Mississippi River, USACE
 * Rathbun Dam, Rathbun Lake, USACE
 * Red Rock Dam, Lake Red Rock, USACE
 * Saylorville Dam, Saylorville Lake, USACE
 * Three Mile Reservoir Dam, Three Mile Reservoir, Three Mile Reservoir Agency