Rainwater Lake Dam

Rainwater Lake Dam is an earth dam located in Coweta County, Georgia, built in 1974. It carries a Low hazard potential classification.

About Rainwater Lake Dam

The primary purpose of Rainwater Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Owens, Gregory & Cynthia (private). It impounds the Unknown near Blackjack.

The dam stands 21 feet tall and stretches 565 feet across, creates a reservoir covering 11 acres, has a maximum storage capacity of 126 acre-feet, and collects water from a drainage area of 400 square miles. Completed in 1974, 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 01/23/2017.

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Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateGeorgia
CountyCoweta
Nearest CityBlackjack
River/StreamUnknown
Coordinates33.25203, -84.66978

Physical Characteristics

Dam TypeEarth
NID Height21 ft
Dam Height21 ft
Dam Length565 ft
Year Completed1974 (52 years old)

Storage & Hydraulics

NID Storage126 acre-ft
Max Storage126 acre-ft
Normal Storage58 acre-ft
Surface Area11 acres
Drainage Area400 sq mi
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerOwens, Gregory & Cynthia
Owner TypePrivate
Hazard ClassificationLow
Condition AssessmentNot Rated
Last Inspection01/23/2017
Emergency Action PlanNot Required

Identifiers

NID IDGA02176
Federal IDGA02176
More InfoState Dam Safety Program

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