Lake Frankston Dam Reservoir Report

Last Updated: December 5, 2025

Lake Frankston Dam, located in Anderson County, Texas, was completed in 1951 and serves as a vital recreational resource for the local community.


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Summary

This private-owned Earth dam, with a height of 34 feet and a length of 1230 feet, impounds the waters of Clem Mill Creek to create a pristine lake with a storage capacity of 1675 acre-feet. The dam's uncontrolled spillway, with a width of 110 feet, is designed to handle a maximum discharge of 5500 cubic feet per second.

Managed by the Texas Commission on Environmental Quality (TCEQ), the dam is subject to regular inspections and is deemed to have a moderate risk potential. Despite its age, the dam's condition is currently not rated, and there is no Emergency Action Plan in place. The surrounding area boasts a surface area of 104 acres and a drainage area of 6.4 square miles, making it a popular destination for water recreation enthusiasts. With its picturesque setting and abundance of outdoor activities, Lake Frankston Dam continues to be a cherished asset for water resource and climate enthusiasts in the area.

Year Completed

1951

Dam Length

1230

Dam Height

34

River Or Stream

CLEM MILL CREEK

Primary Dam Type

Earth

Surface Area

104

Hydraulic Height

34

Drainage Area

6.4

Nid Storage

1675

Structural Height

34

Outlet Gates

Uncontrolled - 2

Hazard Potential

Not Available

Foundations

Unlisted/Unknown

Nid Height

34
       
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.