R P Thomas Pond Dam Reservoir Report
Last Updated: December 9, 2025
The R P Thomas Pond Dam in Gibsland, Louisiana, is a privately-owned structure regulated by the Louisiana Department of Transportation and Development.
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Summary
Situated on TR-BLACK LAKE CREEK, this earth dam stands at a height of 15 feet and serves primarily for recreation purposes. With a normal storage capacity of 82 acre-feet and a maximum storage of 102 acre-feet, the dam covers a surface area of 13.6 acres and has a drainage area of 0.3 square miles.
Despite its low hazard potential and fair condition assessment, the dam has a moderate risk rating of 3. The spillway of the R P Thomas Pond Dam is uncontrolled and has a width of 100 feet. The last inspection date was in September 2019, with a scheduled inspection frequency of every 5 years. The dam is part of the Vicksburg District and is not associated with any federal agency ownership or funding.
For water resource and climate enthusiasts, the R P Thomas Pond Dam presents an interesting case study of a privately-owned recreational structure in Louisiana. Its design, purpose, and risk assessment provide valuable insights into the management of dams in a state-regulated setting.
Dam Length |
594 |
Dam Height |
15 |
River Or Stream |
TR-BLACK LAKE CREEK |
Primary Dam Type |
Earth |
Surface Area |
13.6 |
Hydraulic Height |
12 |
Drainage Area |
0.3 |
Nid Storage |
102 |
Structural Height |
15 |
Hazard Potential |
Low |
Foundations |
Soil |
Nid Height |
15 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Saline Bayou Near Lucky
|
38cfs |
Red Chute Bayou At Sligo
|
59cfs |
Little Corney Bayou Near Lillie
|
169cfs |
Bayou Dorcheat Near Springhill
|
191cfs |
Bayou Pierre Near Lake End
|
187cfs |
Cypress Bayou Near Keithville
|
5cfs |
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.
R P Thomas Pond Dam