Rex Haven Lake Dam (Lower) Reservoir Report
Last Updated: December 13, 2025
Rex Haven Lake Dam (Lower) in Monticello, Georgia, is a privately owned earth dam constructed in 1945 for recreational purposes.
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Summary
Standing at a height of 28 feet with a hydraulic height of 27 feet, this dam spans a length of 665 feet and has a storage capacity of 531 acre-feet. The dam's primary purpose is to provide recreational opportunities, with a surface area of 36 acres and a normal storage capacity of 396 acre-feet.
Although the dam has a low hazard potential and is currently rated as "Not Rated" in terms of condition assessment, it undergoes inspections every five years to ensure its safety and integrity. The last inspection was conducted in November 2018. Despite not being regulated by the state, the dam is subject to periodic inspections to monitor its risk level, which is currently classified as moderate. With an uncontrolled spillway and outlet gates, the dam poses minimal risk to the surrounding area, making it a popular destination for water resource and climate enthusiasts seeking a serene recreational spot in Jasper County, Georgia.
Located in the Mobile District of the US Army Corps of Engineers, Rex Haven Lake Dam (Lower) is a testament to the collaboration between private owners and regulatory agencies to maintain a safe and enjoyable water resource for the community. As an essential part of the local landscape, this dam provides not only recreational opportunities but also serves as a reminder of the importance of sustainable water management practices in the face of changing climate conditions. With a rich history dating back to its construction in the mid-20th century, this dam continues to be a valuable asset for both residents and visitors alike in the heart of Georgia's beautiful countryside.
Year Completed |
1945 |
Dam Length |
665 |
Dam Height |
28 |
River Or Stream |
UNKNOWN |
Primary Dam Type |
Earth |
Surface Area |
36 |
Hydraulic Height |
27 |
Nid Storage |
531 |
Outlet Gates |
Uncontrolled |
Hazard Potential |
Low |
Foundations |
Unlisted/Unknown |
Nid Height |
28 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Ocmulgee River Near Jackson
|
534cfs |
Little River Near Eatonton
|
85cfs |
Murder Creek Below Eatonton
|
58cfs |
Alcovy River Below Covington
|
117cfs |
Falling Creek Near Juliette
|
14cfs |
Alcovy River Above Covington
|
96cfs |
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.
Rex Haven Lake Dam (Lower)
Lloyd Shoals Dam On Lake Jackson To Georgia State Highway 16