Middle Pasture Lake Dam Reservoir Report

Last Updated: December 5, 2025

Middle Pasture Lake Dam in Webb, Texas, is a private earth dam completed in 1959 for recreational purposes and water supply.


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Summary

With a height of 32 feet and a length of 2230 feet, this dam holds a storage capacity of 1570 acre-feet, serving as a vital resource for the surrounding area. Situated on Sombrerito Creek, this dam also boasts a spillway width of 300 feet and two uncontrolled outlet gates.

Despite being last inspected in 1976, Middle Pasture Lake Dam still maintains a moderate risk level, with its condition yet to be assessed. Regulated by the Texas Commission on Environmental Quality, this dam is part of the state's jurisdiction and has seen no modifications in recent years. With a surface area of 65 acres and a drainage area of 41 square miles, this dam remains a key feature in the region's water resource infrastructure.

For water resource and climate enthusiasts, Middle Pasture Lake Dam stands as a testament to the importance of maintaining and preserving our water supply infrastructure. As a recreational site with significant storage capacity, this dam plays a crucial role in supporting the local community's needs while also posing a moderate risk that necessitates regular monitoring and assessment. With its historical significance and practical utility, Middle Pasture Lake Dam serves as a reminder of the intricate balance between human development and environmental stewardship in managing water resources.

Year Completed

1959

Dam Length

2230

Dam Height

32

River Or Stream

SOMBRERITO CREEK

Primary Dam Type

Earth

Surface Area

65

Hydraulic Height

32

Drainage Area

41

Nid Storage

1570

Structural Height

32

Outlet Gates

Uncontrolled - 2

Hazard Potential

Not Available

Foundations

Unlisted/Unknown

Nid Height

32
       
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.