Lowrie Lake Dam Reservoir Report

Last Updated: December 5, 2025

Lowrie Lake Dam, located in Van Zandt County, Texas, was completed in 1969 for the primary purpose of water supply.


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Summary

This private-owned dam, standing at a height of 26 feet and stretching 990 feet in length, holds a storage capacity of 290 acre-feet with a normal storage level of 170 acre-feet. Situated on Coppers Branch, a river or stream, the dam has a structural design of earth with a buttress core type.

Despite lacking a spillway, the dam has been rated with a high risk assessment level of 2 due to its hazard potential being labeled as "Not Available." The condition assessment of the dam has not been rated, and there is no information available on emergency action plans or risk management measures in place. With no federal agency involvement in ownership, funding, or regulation, Lowrie Lake Dam stands as an intriguing structure for water resource and climate enthusiasts to explore and analyze in the diverse landscape of water infrastructure in Texas.

Year Completed

1969

Dam Length

990

Dam Height

26

River Or Stream

COPPERS BRANCH

Primary Dam Type

Earth

Surface Area

20

Hydraulic Height

26

Nid Storage

290

Structural Height

26

Outlet Gates

None - 1

Hazard Potential

Not Available

Foundations

Unlisted/Unknown

Nid Height

26
       
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.