Shamrock Lake Dam

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

About Shamrock Lake Dam

The primary purpose of Shamrock Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Clayton County Water Authority (local government). It impounds the Unknown near Stockbridge.

The dam stands 35 feet tall and stretches 950 feet across, creates a reservoir covering 62 acres, has a maximum storage capacity of 1,053 acre-feet, and collects water from a drainage area of 1,335 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 12/10/2014. That was over 11 years ago.

At 35 feet, this dam is taller than 82% of dams nationwide.

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Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateGeorgia
CountyClayton
Nearest CityStockbridge
River/StreamUnknown
Coordinates33.48067, -84.29650

Physical Characteristics

Dam TypeEarth
NID Height35 ft
Dam Height35 ft
Dam Length950 ft
Year Completed1950 (76 years old)

Storage & Hydraulics

NID Storage1,053 acre-ft
Max Storage1,053 acre-ft
Normal Storage806 acre-ft
Surface Area62 acres
Drainage Area1,335 sq mi
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerClayton County Water Authority
Owner TypeLocal Government
Hazard ClassificationLow
Condition AssessmentNot Rated
Last Inspection12/10/2014
Emergency Action PlanNot Required

Identifiers

NID IDGA01298
Federal IDGA01298
More InfoState Dam Safety Program

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