Lake Michigan Dam

Lake Michigan Dam is an earth dam located in Spalding County, Georgia, built in 1957. It carries a Low hazard potential classification.

About Lake Michigan Dam

The primary purpose of Lake Michigan Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by James Dunn (private). It impounds the Unknown near Griffin.

The dam stands 19 feet tall and stretches 540 feet across, creates a reservoir covering 9 acres, has a maximum storage capacity of 120 acre-feet, and collects water from a drainage area of 176 square miles. Completed in 1957, 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 09/01/2012. That was over 13 years ago.

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Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateGeorgia
CountySpalding
Nearest CityGriffin
River/StreamUnknown
Coordinates33.25861, -84.19611

Physical Characteristics

Dam TypeEarth
NID Height19 ft
Dam Height19 ft
Dam Length540 ft
Year Completed1957 (69 years old)

Storage & Hydraulics

NID Storage120 acre-ft
Max Storage120 acre-ft
Normal Storage60 acre-ft
Surface Area9 acres
Drainage Area176 sq mi
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerJames Dunn
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentNot Rated
Last Inspection09/01/2012
Emergency Action PlanNot Required

Identifiers

NID IDGA02182
Federal IDGA02182
More InfoState Dam Safety Program

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