Twin Valley Lakes - East Dam

Significant HazardPoor ConditionEmergency Action Plan: Not Required

Location

StateIowa
CountyJohnson
Nearest CityCoralville Reservoir
River/StreamTr- Iowa River
Coordinates41.81250, -91.62200

Physical Characteristics

Dam TypeEarth
NID Height50 ft
Dam Height50 ft
Dam Length500 ft
Year Completed1965 (61 years old)

Storage & Hydraulics

NID Storage392 acre-ft
Max Storage392 acre-ft
Normal Storage192 acre-ft
Surface Area16 acres
Drainage Area0 sq mi
Spillway TypeNone

Ownership & Safety

OwnerLori Pike,Twin Valley Lakes Association
Owner TypePrivate
Hazard ClassificationSignificant
Condition AssessmentPoor
Last Inspection10/24/2022
Emergency Action PlanNot Required

Identifiers

NID IDIA03528
Federal IDIA03528
More InfoState Dam Safety Program

Nearby Dams

Randall Dam 1.5 mi Low Oakridge Lake Estates Dam 2.3 mi Low Marak Dam 2.4 mi Low Lake Macbride Dam 2.7 mi Significant Progress Park Dam 3.7 mi Significant Kent Park 1 East Dam 7.3 mi Low Aegon Dam 7.3 mi High Rolling Hills Dam 7.4 mi Significant Lehman Dam 7.6 mi Low Iowa Noname97 7.6 mi Low