Mann Lake Dam

Mann Lake Dam is an earth dam located in Rockdale County, Georgia, built in 1950. It carries a Low hazard potential classification.

About Mann Lake Dam

The primary purpose of Mann Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Mann, Jack Lamar (private). It impounds the Shipley Branch near Lakeview Estates.

The dam stands 26 feet tall and stretches 310 feet across, creates a reservoir covering 7 acres, has a maximum storage capacity of 91 acre-feet, and collects water from a drainage area of 440 square miles. Completed in 1950, the structure is well-established, with more than 75 years of service.

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 09/01/2018.

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Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateGeorgia
CountyRockdale
Nearest CityLakeview Estates
River/StreamShipley Branch
Coordinates33.69667, -84.05000

Physical Characteristics

Dam TypeEarth
NID Height26 ft
Dam Height26 ft
Dam Length310 ft
Year Completed1950 (76 years old)

Storage & Hydraulics

NID Storage91 acre-ft
Max Storage91 acre-ft
Normal Storage74 acre-ft
Surface Area7 acres
Drainage Area440 sq mi
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerMann, Jack Lamar
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentNot Rated
Last Inspection09/01/2018
Emergency Action PlanNot Required

Identifiers

NID IDGA01280
Federal IDGA01280
More InfoState Dam Safety Program

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