Troublesome Creek Watershed Dam T- 62 Reservoir Report

Last Updated: December 9, 2025

Located in Knox, Missouri, the Troublesome Creek Watershed Dam T-62 is a vital flood risk reduction structure designed by the USDA NRCS in 1992.


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Summary

This earth dam stands at a height of 21 feet, with a hydraulic height matching its structural height at 26 feet. With a storage capacity of 127 acre-feet and a drainage area of 110 acres, this dam plays a crucial role in managing the flow of Troublesome Creek to prevent flooding in the surrounding areas.

Despite being classified as having a low hazard potential, the dam's risk assessment indicates a moderate level, with a risk score of 3. While the condition of the dam is currently not rated, it has undergone regular inspections, with the last recorded inspection taking place in October 1999. The dam features an uncontrolled spillway with a width of 40 feet, ensuring excess water can safely discharge during high-flow events. With a primary purpose of flood risk reduction, the Troublesome Creek Watershed Dam T-62 also serves secondary purposes such as fish and wildlife pond creation.

As a significant structure within the Rock Island District, the Troublesome Creek Watershed Dam T-62 stands as a testament to the collaboration between local government agencies and the USDA NRCS in managing water resources effectively. With its strategic location and design, this dam plays a crucial role in safeguarding the community of Knox City and the surrounding areas from the dangers of flooding, while also contributing to the enhancement of fish and wildlife habitats in the region.

Year Completed

1992

Dam Length

630

Dam Height

21

River Or Stream

TROUBLESOME CREEK

Primary Dam Type

Earth

Surface Area

2

Hydraulic Height

21

Drainage Area

110

Nid Storage

127

Structural Height

26

Outlet Gates

None

Hazard Potential

Low

Foundations

Soil

Nid Height

26
       
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.