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.
Location
| State | Georgia |
| County | Gwinnett |
| River/Stream | Unknown |
| Coordinates | 33.85417, -83.97028 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 22 ft |
| Dam Height | 22 ft |
| Dam Length | 645 ft |
| Year Completed | 1950 (76 years old) |
Storage & Hydraulics
| NID Storage | 239 acre-ft |
| Max Storage | 239 acre-ft |
| Surface Area | 24 acres |
| Drainage Area | 764 sq mi |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Summit Chase Homeowners Association |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Poor |
| Last Inspection | 01/27/2016 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | GA03907 |
| Federal ID | GA03907 |
| More Info | State Dam Safety Program |