Mangum Lake No 1 Dam Reservoir Report
Last Updated: December 9, 2025
Mangum Lake No 1 Dam, located in Maverick County, Texas, stands as a testament to water resource management in the region.
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Summary
Built in 1963, this private-owned Earth dam stretches 885 feet in length and reaches a height of 17 feet, with a storage capacity of 143 acre-feet. Situated on the TR-ELM CREEK, this dam serves a primary purpose of "Other," indicating its critical role in supporting the local ecosystem and water supply.
Despite its age, the dam has been inspected and maintained over the years, with the last inspection conducted in March 1990. While the hazard potential is marked as "Not Available," the risk assessment is classified as high (2), emphasizing the importance of ongoing monitoring and management. With no spillway and limited structural information available, it is evident that Mangum Lake No 1 Dam requires continued attention and investment to ensure its safety and effectiveness in the face of changing climate conditions.
As climate enthusiasts and water resource advocates continue to push for sustainable solutions, the story of Mangum Lake No 1 Dam serves as a reminder of the intricate balance between human infrastructure and natural ecosystems. With its location in a region prone to water scarcity and drought, the dam represents a vital lifeline for the community and surrounding environment. As discussions around climate resilience and water management evolve, the future of Mangum Lake No 1 Dam will be closely watched to ensure its continued role in supporting the local ecosystem and water security.
Year Completed |
1963 |
Dam Length |
885 |
Dam Height |
17 |
River Or Stream |
TR-ELM CREEK |
Primary Dam Type |
Earth |
Hydraulic Height |
17 |
Nid Storage |
143 |
Structural Height |
17 |
Outlet Gates |
None - 1 |
Hazard Potential |
Not Available |
Foundations |
Unlisted/Unknown |
Nid Height |
17 |
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.
Mangum Lake No 1 Dam