Leggett Pond Dam Reservoir Report

Last Updated: December 6, 2025

Leggett Pond Dam, located in Williamston, North Carolina, is a private-owned structure primarily used for irrigation purposes.


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Summary

Designed by the USDA NRCS and situated along the Mill Branch-Tr river, this earth dam stands at a hydraulic height of 15 feet and a structural height of 19.4 feet. With a storage capacity of 55 acre-feet and a surface area of 6 acres, the dam plays a crucial role in regulating water flow for agricultural needs in the region.

Despite being unregulated by the state, Leggett Pond Dam has a low hazard potential and a moderate risk assessment rating. The dam features an uncontrolled spillway and outlet gates, with the last inspection conducted in 2005. While its condition is currently not rated, the dam's risk management measures and emergency preparedness protocols are not clearly outlined. The surrounding area, with a drainage area of 82 square miles, benefits from the dam's water storage capabilities and recreational opportunities.

As an integral part of the local water resource infrastructure, Leggett Pond Dam serves as a key component in supporting irrigation and recreational activities in the region. With its earth structure and stone core, the dam provides essential water storage for agricultural purposes, maintaining a balance between water supply and demand. While the dam's risk assessment indicates moderate concerns, continued monitoring and evaluation are necessary to ensure the safety and longevity of this vital water resource asset.

Dam Length

250

River Or Stream

Mill Branch-Tr

Primary Dam Type

Earth

Surface Area

6

Hydraulic Height

15

Drainage Area

82

Nid Storage

55

Structural Height

19.4

Outlet Gates

Uncontrolled

Hazard Potential

Low

Foundations

Soil

Nid Height

19
       
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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.