Coralville Milldam

Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateIowa
CountyJohnson
Nearest CityCORALVILLE
River/StreamIOWA RIVER
Coordinates41.67410, -91.56440

Physical Characteristics

Dam TypeGravity
NID Height13 ft
Dam Height13 ft
Dam Length295 ft
Year Completed1880 (146 years old)

Storage & Hydraulics

NID Storage758 acre-ft
Max Storage758 acre-ft
Normal Storage599 acre-ft
Surface Area90 acres
Drainage Area3,271 sq mi
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerCity of Iowa City
Owner TypeLocal Government
Hazard ClassificationLow
Condition AssessmentNot Rated
Last Inspection06/01/1999
Emergency Action PlanNot Required

Identifiers

NID IDIA01275
Federal IDIA01275
More InfoState Dam Safety Program

Nearby Dams