Prunty Lake Dam Reservoir Report

Last Updated: December 5, 2025

Prunty Lake Dam, located in Jack County, Texas, was completed in 1964 and stands at a height of 30 feet with a length of 640 feet.


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Summary

This earth dam with a buttress core type serves a primary purpose that is classified as "Other," with a storage capacity of 153 acre-feet. The dam is situated on TR-North Creek and is owned by a private entity, with the dam being regulated by the state of Texas.

Despite being categorized as having a high risk level, the condition of Prunty Lake Dam has not been officially rated. The dam lacks a spillway and does not have any associated locks. The emergency action plan for the dam has not been prepared or updated, and there is limited information available on the hazard potential and risk management measures in place. With its unique design and location, Prunty Lake Dam presents an intriguing case study for water resource and climate enthusiasts interested in exploring the complexities of dam infrastructure in Texas.

Year Completed

1964

Dam Length

640

Dam Height

30

River Or Stream

TR-NORTH CREEK

Primary Dam Type

Earth

Surface Area

6

Hydraulic Height

30

Nid Storage

153

Structural Height

30

Outlet Gates

None - 1

Hazard Potential

Not Available

Foundations

Unlisted/Unknown

Nid Height

30
       
Seasonal Comparison

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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.