Clearwater Lake Dam

Clearwater Lake Dam is an earth dam located in Cobb County, Georgia, built in 1950. It carries a High hazard potential classification and has a satisfactory condition assessment.

About Clearwater Lake Dam

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

The dam stands 35 feet tall and stretches 522 feet across, creates a reservoir covering 15 acres, has a maximum storage capacity of 275 acre-feet, and collects water from a drainage area of 181 square miles. Completed in 1950, the structure is well-established, with more than 75 years of service.

This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 04/07/2017. That was 8 years ago, which is on the longer end for a high-hazard structure.

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

Living Downstream

If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The Georgia dam safety program can provide more specific information about emergency planning for this structure.

Search for dams near your address to see all dams in your area with hazard classifications and safety data.

High HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateGeorgia
CountyCobb
Nearest CityKennesaw
River/StreamUnknown
Coordinates34.07427, -84.59753

Physical Characteristics

Dam TypeEarth
NID Height35 ft
Dam Height35 ft
Dam Length522 ft
Year Completed1950 (76 years old)

Storage & Hydraulics

NID Storage275 acre-ft
Max Storage275 acre-ft
Normal Storage242 acre-ft
Surface Area15 acres
Drainage Area181 sq mi
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerClearwater Estates Lake, Inc.
Owner TypePrivate
Hazard ClassificationHigh
Condition AssessmentSatisfactory
Last Inspection04/07/2017
Emergency Action PlanYes

Identifiers

NID IDGA04470
Federal IDGA04470
More InfoState Dam Safety Program

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