Short Mtn Silica 1c Reservoir Report

Last Updated: December 5, 2025

Short Mtn Silica 1c is a privately owned dam located in Hawkins, Tennessee, along the TRIBRED HOUSE BRANCH river.


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Summary

This earth dam, completed in 1990, stands at a structural height of 41 feet with a hydraulic height of 37 feet. It serves a primary purpose that falls under the "Other" category, with a storage capacity of 57 acre-feet and a surface area of 3.6 acres. The dam is regulated by the Tennessee Safe Dams Program and undergoes regular inspections, with its condition assessed as "Satisfactory" as of July 2020.

Despite its satisfactory condition, Short Mtn Silica 1c poses a significant hazard potential, requiring an inspection frequency of twice a year to ensure its safety. The dam has a moderate risk assessment level, indicating a potential for adverse impacts in certain scenarios. The presence of an uncontrolled spillway and the dam's location within a drainage area of 0.08 square miles point to the importance of proper management and maintenance to mitigate any potential risks associated with the structure. Overall, this dam serves as a critical component in water resource management in the region, highlighting the intersection of water infrastructure and climate resilience in safeguarding communities against natural hazards.

Year Completed

1990

Dam Length

450

River Or Stream

TRIBRED HOUSE BRANCH

Primary Dam Type

Earth

Surface Area

3.6

Hydraulic Height

37

Drainage Area

0.08

Nid Storage

57

Structural Height

41

Hazard Potential

Significant

Nid Height

41
       
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.