Mayo - Canal Embankment Reservoir Report
Nearby: Mayo Avalon - Canal Embankment
Last Updated: December 5, 2025
Mayo Canal Embankment is a historic structure located in Mayodan, North Carolina, along the Mayo River.
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Summary
Completed in 1898, this earth dam serves primarily for hydroelectric purposes and water supply. Standing at a height of 16.7 feet and with a length of 2000 feet, the dam boasts a storage capacity of 85 acre-feet and a maximum discharge of 720 cubic feet per second.
Managed by the Federal Energy Regulatory Commission, Mayo Canal Embankment has a controlled spillway with a width of 30 feet, ensuring efficient water flow and safety measures. Despite its low hazard potential, the risk assessment for this dam is rated as very high (1), highlighting the importance of regular inspections and monitoring. With its rich history and significant role in water resource management, Mayo Canal Embankment stands as a testament to the intersection of engineering innovation and environmental stewardship.
Year Completed |
1898 |
Dam Length |
2000 |
Dam Height |
16.7 |
River Or Stream |
Mayo River |
Primary Dam Type |
Earth |
Surface Area |
10 |
Hydraulic Height |
13 |
Nid Storage |
85 |
Structural Height |
13 |
Hazard Potential |
Low |
Nid Height |
17 |
Seasonal Comparison
Weather Forecast
Nearby Streamflow Levels
Dan River Near Wentworth
|
545cfs |
Dan R At Pine Hall
|
235cfs |
Mayo River Near Price
|
130cfs |
North Mayo River Near Spencer
|
56cfs |
Smith River At Eden
|
204cfs |
South Mayo River Near Nettleridge
|
45cfs |
Dam Data Reference
Condition Assessment
SatisfactoryNo 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
HighDams 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.
Mayo - Canal Embankment