Hannen Lake Dam

Significant HazardSatisfactory ConditionEmergency Action Plan: Not Required

Location

StateIowa
CountyBenton
Nearest CityIOWA RIVER
River/StreamTR-COON CREEK
Coordinates41.86300, -92.11230

Physical Characteristics

Dam TypeEarth
NID Height35 ft
Dam Height35 ft
Dam Length600 ft
Year Completed1959 (67 years old)

Storage & Hydraulics

NID Storage886 acre-ft
Max Storage886 acre-ft
Normal Storage390 acre-ft
Surface Area39 acres
Drainage Area0 sq mi
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerBenton County Conservation Board
Owner TypeLocal Government
Hazard ClassificationSignificant
Condition AssessmentSatisfactory
Last Inspection06/27/2024
Emergency Action PlanNot Required

Identifiers

NID IDIA00128
Federal IDIA00128
More InfoState Dam Safety Program

Nearby Dams