Musgrove Lake Reservoir Report

Last Updated: December 5, 2025

Musgrove Lake, located in Bryan County, Oklahoma, is a privately owned reservoir primarily used for irrigation purposes.


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Summary

Built in 1972 by the USDA NRCS, this Earth-type dam stands at 21 feet high and has a storage capacity of 117 acre-feet. With a normal storage level of 60 acre-feet and a surface area of 13 acres, Musgrove Lake plays a crucial role in agricultural water supply in the region.

Managed by the Oklahoma Water Resources Board, Musgrove Lake has a controlled spillway and a low hazard potential. Despite being rated as "Not Rated" in terms of condition assessment, the risk assessment for this reservoir is classified as very high (1). The dam has a maximum discharge capacity of 388 cubic feet per second and is equipped with one outlet gate for water release. Given its importance for irrigation and water resource management, continuous inspections are conducted every five years to ensure the safety and functionality of the structure.

In the event of an emergency, the reservoir's Emergency Action Plan status is currently undisclosed, and there is no information available regarding its compliance with guidelines or the preparation of inundation maps. With its risk assessment indicating high vulnerability, Musgrove Lake serves as a critical water resource in the region and requires ongoing monitoring and risk management measures to safeguard its integrity and the surrounding community.

Year Completed

1972

Dam Length

776

Dam Height

21

River Or Stream

TR-TUKLO CR

Primary Dam Type

Earth

Surface Area

13

Hydraulic Height

17

Nid Storage

117

Structural Height

21

Outlet Gates

Valve - 1

Hazard Potential

Low

Foundations

Soil

Nid Height

21
       
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.