Tabo Creek Watershed Dam A-26 Reservoir Report

Last Updated: December 12, 2025

Tabo Creek Watershed Dam A-26, located in Lafayette, Missouri, serves as a crucial structure for grade stabilization in the area.


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Summary

Built in 1966 by the USDA NRCS, this earth dam stands at a height of 27 feet and has a length of 350 feet, providing a maximum storage capacity of 67 acre-feet. The dam is situated on TR-Tabo Creek and is designed with a stone core and soil foundation, making it a reliable asset for water resource management in the region.

With a low hazard potential and a moderate risk assessment, Tabo Creek Watershed Dam A-26 is currently not rated for its condition assessment. Despite not being regulated or inspected by the state, the dam continues to play a vital role in maintaining the stability of the surrounding area. The dam's uncontrolled spillway, with a width of 60 feet, ensures effective water flow management during times of heavy discharge, reducing the risk of flooding and erosion.

Although Tabo Creek Watershed Dam A-26 does not have outlet gates or associated structures, its primary purpose of grade stabilization and significant storage capacity make it a key feature in the local water resource infrastructure. With its history of successful operation and minimal risk potential, the dam stands as a testament to effective engineering and management practices in the preservation of water resources and climate resilience in the region.

Year Completed

1966

Dam Length

350

Dam Height

27

River Or Stream

TR-TABO CREEK

Primary Dam Type

Earth

Surface Area

9

Hydraulic Height

27

Drainage Area

125

Nid Storage

67

Structural Height

29

Outlet Gates

None

Hazard Potential

Low

Foundations

Soil

Nid Height

29
       
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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.