Echo Lake Dam

Echo Lake Dam is an earth dam located in DeKalb County, Georgia, built in 1938. It carries a High hazard potential classification and has a satisfactory condition assessment.

About Echo Lake Dam

The primary purpose of Echo Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Dekalb County Roads & Drainage (local government). It impounds the Unknown near Atlanta.

The dam stands 13 feet tall and stretches 113 feet across, creates a reservoir covering 14 acres, and has a maximum storage capacity of 147 acre-feet. Completed in 1938, 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.

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
CountyDeKalb
Nearest CityAtlanta
River/StreamUnknown
Coordinates33.85205, -84.28870

Physical Characteristics

Dam TypeEarth
NID Height13 ft
Dam Height13 ft
Dam Length113 ft
Year Completed1938 (88 years old)

Storage & Hydraulics

NID Storage147 acre-ft
Max Storage147 acre-ft
Normal Storage100 acre-ft
Surface Area14 acres
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerDeKalb County Roads & Drainage
Owner TypeLocal Government
Hazard ClassificationHigh
Condition AssessmentSatisfactory
Last Inspection04/07/2017
Emergency Action PlanYes

Identifiers

NID IDGA01320
Federal IDGA01320
More InfoState Dam Safety Program

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