Wilbur Carr Brown Dam Reservoir Report

Last Updated: December 5, 2025

Wilbur Carr Brown Dam, also known as Encino Dam, is a private-owned structure located in San Angelo, Texas, along the TR-NORTH CONCHO RIVER.


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Summary

Built in 1969 by USDA NRCS, this earthen dam stands at 20 feet in height and spans a length of 1040 feet. With a primary purpose of recreation, it also serves as a water supply source for the area.

The dam has a storage capacity of 102 acre-feet and a normal storage level of 42 acre-feet. While it does not have a spillway, it features one outlet gate for water release. Despite being unregulated by the state, the dam poses a high risk due to its condition assessment not being rated. The surrounding area is at risk of potential hazards, prompting the need for proper risk management measures to be implemented.

Water resource and climate enthusiasts would find Wilbur Carr Brown Dam an intriguing structure, given its dual purposes of recreation and water supply. Its design by the USDA NRCS and location in the scenic Tom Green County, Texas, make it an important component of the local water management system. However, the high risk associated with the dam underscores the importance of regular inspections and maintenance to ensure the safety of the surrounding community and the stability of the structure.

Year Completed

1969

Dam Length

1040

Dam Height

20

River Or Stream

TR-NORTH CONCHO RIVER

Primary Dam Type

Earth

Hydraulic Height

20

Nid Storage

102

Structural Height

20

Outlet Gates

None - 1

Hazard Potential

Not Available

Foundations

Unlisted/Unknown

Nid Height

20
       
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.