Anna Belle Tank Dam Reservoir Report

Last Updated: December 5, 2025

Anna Belle Tank Dam, located in Potter County, Texas, is a vital structure designed by the USDA NRCS to address flood risk reduction in the region.


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Summary

Completed in 1962, this earth dam stands at a height of 27 feet and stretches 180 feet in length, with a storage capacity of 25 acre-feet. While primarily serving the purpose of flood risk reduction, it also caters to fire protection, stock, and small fish pond needs in the area.

Despite its crucial role in water resource management, Anna Belle Tank Dam has not been rated for its condition assessment, and its hazard potential is marked as 'Not Available.' The dam does not have a spillway and is equipped with one outlet gate. With a high risk assessment score of 2, there is a need for further evaluation and potential risk management measures to ensure the safety and functionality of this dam in the face of changing climate patterns and water resource demands.

For water resource and climate enthusiasts, Anna Belle Tank Dam presents an intriguing case study in the realm of dam infrastructure and its intersection with environmental challenges. As discussions around sustainable water management and climate resilience gain momentum, the need to assess and address the risk factors associated with dams like Anna Belle Tank becomes increasingly urgent. The dam's location on the Big Canyon stream further underscores its importance in safeguarding the local ecosystem and communities from potential water-related disasters.

Year Completed

1962

Dam Length

180

Dam Height

27

River Or Stream

BIG CANYON

Primary Dam Type

Earth

Hydraulic Height

27

Nid Storage

25

Structural Height

27

Outlet Gates

None - 1

Hazard Potential

Not Available

Foundations

Unlisted/Unknown

Nid Height

27
       
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.