Bennett Lake Dam

Bennett Lake Dam is an earth dam located in Cedar County, Iowa, built in 1968. It carries a Low hazard potential classification.

About Bennett Lake Dam

The primary purpose of Bennett Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Cedar County Conservation Board (local government). It impounds the Tr-rock Creek near Dixon.

The dam stands 34 feet tall and stretches 510 feet across, creates a reservoir covering 10 acres, has a maximum storage capacity of 122 acre-feet, and collects water from a drainage area of 0 square miles. Completed in 1968, the structure is well into its service life at over 50 years old.

This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life. The most recent inspection on record was 09/19/1961. That was over 64 years ago.

At 34 feet, this dam is taller than 80% of dams nationwide.

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Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateIowa
CountyCedar
Nearest CityDixon
River/StreamTr-rock Creek
Coordinates41.74700, -90.91940

Physical Characteristics

Dam TypeEarth
NID Height34 ft
Dam Height34 ft
Dam Length510 ft
Year Completed1968 (58 years old)

Storage & Hydraulics

NID Storage122 acre-ft
Max Storage122 acre-ft
Normal Storage81 acre-ft
Surface Area10 acres
Drainage Area0 sq mi
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerCedar County Conservation Board
Owner TypeLocal Government
Hazard ClassificationLow
Condition AssessmentNot Rated
Last Inspection09/19/1961
Emergency Action PlanNot Required

Identifiers

NID IDIA00174
Federal IDIA00174
More InfoState Dam Safety Program

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