E-Toh-Kalu Dam Reservoir Report

Last Updated: December 6, 2025

E-Toh-Kalu Dam, also known as Louellen Dam, is a private dam located in Henderson, North Carolina, along the Grassy Creek-Tr.


°F

°F

mph

Wind

%

Humidity

Summary

This masonry dam stands at a structural height of 12 feet and has a storage capacity of 75 acre-feet. While primarily built for recreation, the dam is also used for water supply and flood control purposes.

Despite being classified as having a low hazard potential and fair condition assessment, the dam has not been recently inspected since February 2008. The lack of recent inspections raises concerns about the structural integrity and safety of the dam, especially in the face of changing climate patterns that can lead to extreme weather events. It is crucial for the dam owners to prioritize regular inspections and maintenance to ensure the safety of the surrounding community and the environment.

Water resource and climate enthusiasts should advocate for increased monitoring and maintenance of E-Toh-Kalu Dam to mitigate potential risks and ensure the long-term sustainability of this vital infrastructure. By staying informed and actively engaging in dam safety initiatives, enthusiasts can help protect water resources and communities from the impacts of climate change.

River Or Stream

Grassy Creek-Tr

Primary Dam Type

Masonry

Nid Storage

75

Structural Height

12

Hazard Potential

Low

Nid Height

12
       
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.