Ed's Lake B Dam Reservoir Report
Nearby: Hutchison Dam Ed's Lake A Dam
Last Updated: December 13, 2025
Ed's Lake B Dam in Macon, Missouri, is a privately owned earth buttress dam on the Little Turkey River.
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Summary
Standing at a height of 47.5 feet and a length of 450 feet, the dam has a storage capacity of 98 acre-feet and a drainage area of 53 square miles. Despite being under state jurisdiction and regulation, the dam has a high hazard potential but is currently in satisfactory condition as of the last assessment in 2009.
Located in the Rock Island District, Ed's Lake B Dam is subject to regular inspections every five years, with the last inspection conducted in September 2015. The dam's Emergency Action Plan (EAP) was last revised in July 2014, ensuring that necessary measures are in place in case of emergencies. Although the dam does not have a spillway or outlet gates, its condition assessment and risk management measures are reported as satisfactory, highlighting the importance of maintaining and monitoring this crucial water resource infrastructure for the surrounding community.
With its proximity to the city of Ethel and its significant storage capacity, Ed's Lake B Dam plays a vital role in managing water resources in the area. Despite its high hazard potential, the dam's satisfactory condition and ongoing regulatory oversight demonstrate a commitment to ensuring the safety and reliability of this essential infrastructure for water supply and flood control purposes.
Dam Length |
450 |
Dam Height |
47.5 |
River Or Stream |
LITTLE TURKEY |
Surface Area |
6 |
Drainage Area |
53 |
Nid Storage |
98 |
Structural Height |
49 |
Outlet Gates |
None |
Hazard Potential |
High |
Foundations |
Unlisted/Unknown |
Nid Height |
49 |
Seasonal Comparison
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Nearby Streamflow Levels
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.
Ed's Lake B Dam