Lake Ransom Canyon Dam Reservoir Report

Last Updated: December 20, 2025

Lake Ransom Canyon Dam, located in Lubbock, Texas, serves as a vital water resource for the surrounding community.


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Summary

Built in 1965 by HASIE AND ASSOCIATES, this earth dam stands at a height of 26 feet and stretches over 1,128 feet in length, creating a storage capacity of 1,620 acre-feet. The dam's primary purpose is for recreation, offering a serene 93-acre surface area for residents to enjoy water-based activities.

Managed by the Texas Commission on Environmental Quality (TCEQ), Lake Ransom Canyon Dam undergoes regular inspections to ensure its structural integrity and safety. Despite its uncontrolled spillway, the dam has been deemed satisfactory in condition assessments, with a moderate risk level. With a drainage area of 239 square miles and a maximum discharge of 2 cubic feet per second, the dam plays a crucial role in managing water flow from the North Fork Double Mountain Fork Brazos River.

As a focal point for water resource and climate enthusiasts, Lake Ransom Canyon Dam not only provides recreational opportunities but also serves as a symbol of responsible water management in the region. Its design, construction, and maintenance reflect a commitment to safeguarding the environment and ensuring sustainable water usage for future generations.

Year Completed

1965

Dam Length

1128

Dam Height

26

River Or Stream

N FK DOUBLE MTN FK BRAZOS RVR

Primary Dam Type

Earth

Surface Area

93

Hydraulic Height

26

Drainage Area

239

Nid Storage

1620

Structural Height

26

Outlet Gates

Uncontrolled - 4

Hazard Potential

Not Available

Foundations

Rock, Soil

Nid Height

26
       
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Dam Data Reference

Condition Assessment

Satisfactory
No 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

High
Dams 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.