Jay Pumphrey Lake Dam Reservoir Report
Last Updated: December 5, 2025
Jay Pumphrey Lake Dam, located in Stonewall, Texas, was completed in 1953 and serves multiple purposes including fire protection, stock, and a small fish pond.
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Summary
The dam is privately owned and stands at a height of 15 feet with a length of 400 feet, creating a storage capacity of 300 acre-feet and a surface area of 20 acres. The primary dam type is earth with a buttress core design, and it is situated on Tonk Creek.
Despite being privately owned, the dam is regulated by the state of Texas with permitting and inspection requirements in place. While the hazard potential is not available and the condition assessment is not rated, the risk assessment for the dam is high. The dam does not have a spillway, locks, or associated structures, but it does have a single outlet gate. With a risk management plan in place and emergency action preparedness to be determined, Jay Pumphrey Lake Dam is a crucial water resource for the area with a focus on safety and sustainability in the face of climate challenges.
Year Completed |
1953 |
Dam Length |
400 |
Dam Height |
15 |
River Or Stream |
TONK CREEK |
Primary Dam Type |
Earth |
Surface Area |
20 |
Hydraulic Height |
15 |
Nid Storage |
300 |
Structural Height |
15 |
Outlet Gates |
None - 1 |
Hazard Potential |
Not Available |
Foundations |
Unlisted/Unknown |
Nid Height |
15 |
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.
Jay Pumphrey Lake Dam