Summit Chase No. 1 Dam

Summit Chase No. 1 Dam is an earth dam located in Gwinnett County, Georgia, built in 1950. It carries a High hazard potential classification and has a poor condition assessment.

About Summit Chase No. 1 Dam

The primary purpose of Summit Chase No. 1 Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Summit Chase Homeowners Association (private). It impounds the Unknown.

The dam stands 22 feet tall and stretches 645 feet across, creates a reservoir covering 24 acres, has a maximum storage capacity of 239 acre-feet, and collects water from a drainage area of 764 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 poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. An emergency action plan is in place for this dam. The most recent inspection on record was 01/27/2016. That was 10 years ago — unusually long for a high-hazard dam, which typically requires more frequent inspections.

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 HazardPoor ConditionEmergency Action Plan: Yes

Location

StateGeorgia
CountyGwinnett
River/StreamUnknown
Coordinates33.85417, -83.97028

Physical Characteristics

Dam TypeEarth
NID Height22 ft
Dam Height22 ft
Dam Length645 ft
Year Completed1950 (76 years old)

Storage & Hydraulics

NID Storage239 acre-ft
Max Storage239 acre-ft
Surface Area24 acres
Drainage Area764 sq mi
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerSummit Chase Homeowners Association
Owner TypePrivate
Hazard ClassificationHigh
Condition AssessmentPoor
Last Inspection01/27/2016
Emergency Action PlanYes

Identifiers

NID IDGA03907
Federal IDGA03907
More InfoState Dam Safety Program

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