Poinsett Site 106 Reservoir Report

Last Updated: December 6, 2025

Poinsett Site 106, located in Poinsett, Arkansas, is a flood risk reduction structure designed by the USDA NRCS and completed in 1979.


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Summary

This earth dam, standing at a height of 30 feet and stretching 401 feet in length, serves the primary purpose of flood risk reduction along Tr-Ditch No. 1. Funded, designed, and constructed by the Natural Resources Conservation Service, this low hazard potential dam provides a storage capacity of 46 acre-feet with a normal storage level of 13 acre-feet.

With a moderate risk assessment rating, Poinsett Site 106 boasts an uncontrolled spillway with a width of 20 feet and can discharge up to 150 cubic feet per second. While the condition assessment is not available at this time, the dam is maintained and inspected by the Natural Resources Conservation Service. The structure is equipped with uncontrolled outlet gates and has a surface area of 2 acres. Despite the lack of available data on hazard potential and emergency preparedness, Poinsett Site 106 remains a crucial component in mitigating flood risks in the area.

This site, managed by the local government in Poinsett County, serves as a vital infrastructure for debris control and flood risk reduction in the region. With its operational support from the Natural Resources Conservation Service, Poinsett Site 106 stands as a testament to collaborative efforts in water resource management and climate resilience. As water resource and climate enthusiasts, the significance of Poinsett Site 106 lies not only in its structural design and functionality but also in its role in safeguarding communities against potential flood hazards.

Year Completed

1979

Dam Length

401

Dam Height

30

River Or Stream

Tr-Ditch No. 1

Primary Dam Type

Earth

Surface Area

2

Nid Storage

46

Outlet Gates

Uncontrolled

Hazard Potential

Low

Nid Height

30
       
Seasonal Comparison

Weather Forecast

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.