Tabo Creek Watershed Dam E-41 Reservoir Report

Last Updated: December 13, 2025

Tabo Creek Watershed Dam E-41, located in Lafayette County, Missouri, serves as a crucial infrastructure for grade stabilization along Little Tabo Creek.


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Summary

Built in 1965 by the USDA NRCS, this earth-type dam stands at a height of 22 feet and stretches 645 feet in length, providing a storage capacity of 109 acre-feet. With a low hazard potential and a moderate risk assessment rating, this dam plays a key role in managing the flow of water within the 403.2-acre drainage area.

Despite being unregulated by the state and not requiring permitting or inspections, Tabo Creek Watershed Dam E-41 remains an essential component of the local water resource management system. The dam's primary purpose of grade stabilization is reflected in its design and construction, featuring a stone core and soil foundation. With a spillway width of 50 feet and a maximum discharge capacity of 396 cubic feet per second, this dam is equipped to handle potential overflow events and protect downstream areas from flooding.

While Tabo Creek Watershed Dam E-41 has not been rated for its current condition, its designated emergency action plan (EAP) status remains unconfirmed. With the potential for further risk management measures and guidelines to be implemented, this dam continues to be a focal point for water resource and climate enthusiasts interested in the sustainable management of critical infrastructure in the region.

Year Completed

1965

Dam Length

645

Dam Height

22

River Or Stream

LITTLE TABO CREEK

Primary Dam Type

Earth

Surface Area

16

Hydraulic Height

22

Drainage Area

403.2

Nid Storage

109

Structural Height

23

Outlet Gates

None

Hazard Potential

Low

Foundations

Soil

Nid Height

23
       
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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.