Moore's Lagoon Reservoir Report

Last Updated: December 5, 2025

Moore's Lagoon, located in Nash, North Carolina, is a private water resource structure on Swift Creek Tributary.


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Summary

This earth dam has a hydraulic height of 16.2 feet and a structural height of 17.8 feet, with a total height of 18 feet. The dam stretches 725 feet in length and has a storage capacity of 41 acre-feet, making it a significant water management asset in the area.

While Moore's Lagoon is not state-regulated, it is inspected regularly to ensure its structural integrity and safety. The dam has a significant hazard potential, highlighting the importance of proper maintenance and emergency preparedness. Despite not being rated for its condition, the last inspection in 2004 confirmed its stability, but ongoing assessments are essential to monitor any changes over time.

As a water enthusiast or climate advocate, Moore's Lagoon presents an intriguing case study in private water management. Its role in controlling water flow and storage on the Swift Creek Tributary underscores the importance of sustainable water resource practices and the need for ongoing monitoring and maintenance to ensure the safety of surrounding communities and ecosystems.

Dam Length

725

River Or Stream

Swift Cr. Trib

Primary Dam Type

Earth

Surface Area

2.3

Hydraulic Height

16.2

Nid Storage

41

Structural Height

17.8

Hazard Potential

Significant

Nid Height

18
       
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.