Morrison Plantation Dam #3 Reservoir Report

Last Updated: December 13, 2025

Morrison Plantation Dam #3 is a private earth dam situated on McCrary Creek in Iredell, North Carolina.


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Summary

Completed in 2000, this recreational dam stands at a structural height of 25.4 feet with a hydraulic height of 14.8 feet and a length of 400 feet. It has a storage capacity of 40 acre-feet and serves the primary purpose of recreation.

While the dam has a fair condition assessment and a high hazard potential, it is regularly inspected by the North Carolina Dam Safety Program, with the last inspection conducted in January 2020. Despite its age, the dam continues to meet state regulatory requirements for permitting, inspection, and enforcement. The dam's Emergency Action Plan was last revised in December 2006, indicating a proactive approach to safety and risk management.

With its location in a heavily populated area and its significant storage capacity, Morrison Plantation Dam #3 remains a vital structure for both recreation and flood control. As climate change impacts water resources and infrastructure, ongoing monitoring and maintenance of this dam will be essential to ensure the safety of surrounding communities and the longevity of the structure.

Year Completed

2000

Dam Length

400

River Or Stream

McCrary Creek - Trib.

Primary Dam Type

Earth

Hydraulic Height

14.8

Drainage Area

135

Nid Storage

40

Structural Height

25.4

Hazard Potential

High

Nid Height

25
       
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.