Hubbard Lake No 1 Dam Reservoir Report
Last Updated: December 5, 2025
Hubbard Lake No 1 Dam, located in Webb, Texas, was completed in 1937 and stands at a height of 23 feet with a length of 900 feet.
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Summary
This earth dam, with a buttress core type, serves as a crucial water management structure on the TR-EL JARAL CREEK. The dam has a storage capacity of 368 acre-feet and a surface area of 17 acres, contributing to the regulation of water flow in the area.
Despite being privately owned, the dam is regulated by the state of Texas and undergoes regular inspections. With a high hazard potential rating, the dam poses a significant risk that requires proper risk management measures. While lacking an emergency action plan and inundation maps, the dam's condition is currently rated as not available, emphasizing the need for continued monitoring and assessment to ensure its structural integrity and the safety of surrounding communities. For water resource and climate enthusiasts, Hubbard Lake No 1 Dam presents an intriguing case study in the intersection of infrastructure, water management, and environmental risk mitigation.
Year Completed |
1937 |
Dam Length |
900 |
Dam Height |
23 |
River Or Stream |
TR-EL JARAL CREEK |
Primary Dam Type |
Earth |
Surface Area |
17 |
Hydraulic Height |
23 |
Nid Storage |
368 |
Structural Height |
23 |
Outlet Gates |
None - 1 |
Hazard Potential |
Not Available |
Foundations |
Unlisted/Unknown |
Nid Height |
23 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Rio Grande At Laredo
|
1760cfs |
Zacate Ck At Laredo
|
0cfs |
San Casimiro Ck Nr Freer
|
0cfs |
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.
Hubbard Lake No 1 Dam