Cobb Dam Reservoir Report

Last Updated: December 5, 2025

Cobb Dam, located in Coleman, Texas, was completed in 1971 and is owned by a private entity.


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Summary

The dam, designed by the USDA NRCS, stands at a height of 15 feet with a structural height of 16 feet and a length of 733 feet. Its primary purpose is for Fish and Wildlife Pond, and it also serves purposes such as Fire Protection, Stock, Recreation, and Small Fish Pond. The dam has a storage capacity of 249 acre-feet, with a normal storage of 69 acre-feet and a drainage area of 1.4 square miles.

Despite not having a spillway, Cobb Dam features an outlet gate for water release. The dam is not regulated by the state but does undergo inspections and has a high-risk assessment rating. The hazard potential of the dam is not available, and its condition is not rated. With no Emergency Action Plan (EAP) in place, the dam's emergency preparedness and risk management measures are currently unspecified. Overall, Cobb Dam stands as a significant structure contributing to water resource management in the region, particularly for fish and wildlife conservation purposes.

Year Completed

1971

Dam Length

733

Dam Height

15

River Or Stream

TR-HOME CREEK

Primary Dam Type

Earth

Hydraulic Height

15

Drainage Area

1.4

Nid Storage

249

Structural Height

16

Outlet Gates

None - 1

Hazard Potential

Not Available

Foundations

Unlisted/Unknown

Nid Height

16
       
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.