Willies Lake Dam Reservoir Report
Nearby: Trigg Lake Dam Voss Lake Dam
Last Updated: December 5, 2025
Willies Lake Dam in Dale, Texas, is a privately owned earth dam completed in 1973 with a primary purpose that falls under 'Other'.
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Summary
Standing at 32 feet in height and stretching 800 feet in length, the dam holds a storage capacity of 155 acre-feet, with a normal storage level of 131 acre-feet. Despite being unregulated by the state and with no spillway in place, the dam's inspection frequency is set at every 5 years, with the last recorded inspection dating back to July 2008.
Located on the TR-ALUM CREEK, Willies Lake Dam presents a high hazard potential, although its condition assessment remains unrated. The dam's risk assessment is categorized as 'High (2)', indicating a need for vigilant monitoring and management. With an uncontrolled outlet gate in place and no associated structures, the dam's risk management measures and emergency preparedness plans are currently not available. As a significant feature in the water resource infrastructure, Willies Lake Dam highlights the importance of proactive maintenance and risk mitigation strategies in the face of potential climate-related challenges.
Year Completed |
1973 |
Dam Length |
800 |
Dam Height |
32 |
River Or Stream |
TR-ALUM CREEK |
Primary Dam Type |
Earth |
Surface Area |
6 |
Hydraulic Height |
32 |
Drainage Area |
0.08 |
Nid Storage |
155 |
Structural Height |
32 |
Outlet Gates |
Uncontrolled - 1 |
Hazard Potential |
Not Available |
Foundations |
Unlisted/Unknown |
Nid Height |
32 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Plum Ck At Lockhart
|
7cfs |
Onion Ck At Us Hwy 183
|
0cfs |
Colorado Rv At Bastrop
|
376cfs |
Williamson Ck At Jimmy Clay Rd
|
0cfs |
Colorado Rv At Austin
|
36cfs |
Onion Ck At Twin Creeks Rd Nr Manchaca
|
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.
Willies Lake Dam