Long Lake Dam Reservoir Report
Last Updated: December 5, 2025
Long Lake Dam, located in Grooverville, Georgia, was completed in 1970 and serves multiple purposes including fire protection, stock, and small fish pond management.
°F
°F
mph
Wind
%
Humidity
Summary
Owned privately, the dam stands at a height of 16.8 feet and has a storage capacity of 202 acre-feet. With a low hazard potential and a moderate risk assessment rating of 3, the dam is inspected every five years to ensure its structural integrity and safety.
Managed by the Natural Resources Conservation Service, Long Lake Dam is an earth dam with a buttress core type, controlling a drainage area of 1170 acres. The dam has uncontrolled spillways and outlet gates, allowing for a maximum discharge of 202 cubic feet per second. While the dam is not state-regulated or permitted, it undergoes regular state inspections to meet safety standards, despite its condition being currently unrated.
Although Long Lake Dam poses a low hazard potential, its risk assessment indicates a moderate level of risk, prompting the need for ongoing maintenance and emergency preparedness. With its strategic location in Brooks County, Georgia, the dam plays a vital role in water resource management, demonstrating the importance of balancing water utilization for multiple purposes while ensuring public safety and environmental protection in the face of changing climate conditions.
Year Completed |
1970 |
Dam Length |
710 |
Dam Height |
16.8 |
River Or Stream |
UNKNOWN |
Primary Dam Type |
Earth |
Surface Area |
16.5 |
Hydraulic Height |
16.8 |
Drainage Area |
1170 |
Nid Storage |
202 |
Outlet Gates |
Uncontrolled |
Hazard Potential |
Low |
Foundations |
Unlisted/Unknown |
Nid Height |
17 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Dam Data Reference
Condition Assessment
SatisfactoryNo existing or potential dam safety deficiencies are recognized. Acceptable performance is expected under all loading conditions (static, hydrologic, seismic) in accordance with the minimum applicable state or federal regulatory criteria or tolerable risk guidelines.
Fair
No existing dam safety deficiencies are recognized for normal operating conditions. Rare or extreme hydrologic and/or seismic events may result in a dam safety deficiency. Risk may be in the range to take further action. Note: Rare or extreme event is defined by the regulatory agency based on their minimum
Poor A dam safety deficiency is recognized for normal operating conditions which may realistically occur. Remedial action is necessary. POOR may also be used when uncertainties exist as to critical analysis parameters which identify a potential dam safety deficiency. Investigations and studies are necessary.
Unsatisfactory
A dam safety deficiency is recognized that requires immediate or emergency remedial action for problem resolution.
Not Rated
The dam has not been inspected, is not under state or federal jurisdiction, or has been inspected but, for whatever reason, has not been rated.
Not Available
Dams for which the condition assessment is restricted to approved government users.
Hazard Potential Classification
HighDams assigned the high hazard potential classification are those where failure or mis-operation will probably cause loss of human life.
Significant
Dams assigned the significant hazard potential classification are those dams where failure or mis-operation results in no probable loss of human life but can cause economic loss, environment damage, disruption of lifeline facilities, or impact other concerns. Significant hazard potential classification dams are often located in predominantly rural or agricultural areas but could be in areas with population and significant infrastructure.
Low
Dams assigned the low hazard potential classification are those where failure or mis-operation results in no probable loss of human life and low economic and/or environmental losses. Losses are principally limited to the owner's property.
Undetermined
Dams for which a downstream hazard potential has not been designated or is not provided.
Not Available
Dams for which the downstream hazard potential is restricted to approved government users.
Long Lake Dam