Troublesome Creek Watershed Dam T- 48 Reservoir Report

Last Updated: December 9, 2025

Located in Knox County, Missouri, Troublesome Creek Watershed Dam T-48 is a crucial earth dam designed by the USDA NRCS to reduce flood risks in the area.


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Summary

Completed in 1995, this dam stands at a height of 26 feet with a structural height of 34 feet, serving a primary purpose of flood risk reduction. With a maximum storage capacity of 116 acre-feet and a normal storage of 26 acre-feet, the dam covers a surface area of 11 acres and has a drainage area of 1179 acres, providing essential protection for the surrounding environment.

The dam's spillway type is uncontrolled, with a width of 20 feet, and it is classified with a low hazard potential and a moderate risk assessment. The condition assessment is marked as "Not Rated," with the last inspection conducted in 1999. Troublesome Creek Watershed Dam T-48 has not been modified over the years and does not have outlet gates. Despite not being regulated by the state and lacking an Emergency Action Plan (EAP), this dam plays a significant role in safeguarding the community and ecosystem along Hawkins Branch.

With Sam Graves (R) as the Congressional Representative in the area, Troublesome Creek Watershed Dam T-48 continues to be a vital infrastructure for flood risk reduction. Although it is not under state jurisdiction, this earth dam remains an important asset for the region, showcasing the critical role of water resource management in climate resilience efforts. As water resource and climate enthusiasts, understanding the significance of dams like T-48 in mitigating natural disasters and protecting habitats is essential for sustainable development and environmental conservation.

Year Completed

1995

Dam Length

620

Dam Height

26

River Or Stream

HAWKINS BRANCH

Primary Dam Type

Earth

Surface Area

11

Hydraulic Height

25

Drainage Area

1179

Nid Storage

116

Structural Height

34

Outlet Gates

None

Hazard Potential

Low

Foundations

Soil

Nid Height

34
       
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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.