Morgan Lake Dam Reservoir Report

Last Updated: December 5, 2025

Morgan Lake Dam, located in Rains, Texas, was completed in 1948 and serves the primary purpose of irrigation.


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Summary

This private-owned Earth dam stands at a height of 19 feet, with a length of 545 feet, and has a storage capacity of 190 acre-feet. The dam is situated on TR-LAKE FORK CREEK and is regulated by the state, with permitting and inspection processes in place.

The dam features an uncontrolled spillway with a width of 60 feet and underwent mechanical modifications in 2006. With a moderate risk assessment rating, the condition of Morgan Lake Dam is currently not rated, and there is no available information on the emergency action plan or inundation maps. Despite being privately owned, the dam plays a crucial role in providing water for irrigation and supply purposes in the region, highlighting its significance in water resource management.

For water resource and climate enthusiasts, Morgan Lake Dam offers an intriguing subject for study and analysis. Its design features, regulatory oversight, and risk assessment provide valuable insights into the challenges and considerations involved in managing water infrastructure. As a key player in the local water supply system, the dam's condition and operation are essential factors to monitor for ensuring the resilience and sustainability of water resources in the area.

Years Modified

2006 - Mechanical

Year Completed

1948

Dam Length

545

Dam Height

19

River Or Stream

TR-LAKE FORK CREEK

Primary Dam Type

Earth

Surface Area

25

Hydraulic Height

19

Nid Storage

190

Structural Height

19

Outlet Gates

Uncontrolled - 1

Hazard Potential

Not Available

Foundations

Unlisted/Unknown

Nid Height

19
       
Seasonal Comparison

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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.