Gamage Dam Reservoir Report

Last Updated: December 5, 2025

Gamage Dam, located in Upshur, Texas, is a privately owned earth dam completed in 1990 primarily for fire protection, stock, and small fish pond purposes.


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Summary

The dam stands at a height of 13 feet with a hydraulic height of 12 feet and a length of 330 feet. Its reservoir has a maximum storage capacity of 6 acre-feet and a normal storage capacity of 5 acre-feet, serving the surrounding area for water resource management and irrigation needs.

Despite being unregulated by the state, Gamage Dam has undergone modifications in 1991 for structural improvements, ensuring its continued functionality and safety. The dam's spillway type is listed as uncontrolled, with three uncontrolled outlet gates. Although its hazard potential and condition assessment are not available, the risk assessment for the dam is moderate, indicating a need for ongoing monitoring and maintenance to mitigate potential risks associated with its operation. Overall, Gamage Dam serves as a vital water resource and climate management structure in the region, highlighting the importance of sustainable infrastructure development in the face of changing environmental conditions.

Years Modified

1991 - Structural

Year Completed

1990

Dam Length

330

Dam Height

13

River Or Stream

OFF CH-TR-CLEAR CREEK

Primary Dam Type

Earth

Surface Area

1

Hydraulic Height

12

Nid Storage

6

Structural Height

13

Outlet Gates

Uncontrolled - 3

Hazard Potential

Not Available

Foundations

Unlisted/Unknown

Nid Height

13
       
Seasonal Comparison

Weather Forecast

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.
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Area Campgrounds

Location Reservations Toilets
Gamage DamOld Camp Preview Old Camp
Gamage Damcamp Mabey Preview camp Mabey
Gamage DamCamp Gilmont Preview Camp Gilmont