Lake Coronado Dam Reservoir Report

Last Updated: December 5, 2025

Lake Coronado Dam, located in Hot Springs Village, Arkansas, is a privately owned structure primarily built for recreation purposes.


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Summary

Completed in 1976, this earth dam stands at a height of 86.5 feet, with a hydraulic height of 75 feet and a structural height of 89.5 feet. It has a storage capacity of 16,128 acre-feet and a normal storage level of 11,315 acre-feet, providing ample water resources for various recreational activities in the area.

The dam, situated on Cedar Creek, covers a surface area of 380 acres and has a drainage area of 8.8 square miles. With a maximum discharge capacity of 66,500 cubic feet per second, the dam plays a crucial role in managing water flow and preventing potential flooding in the region. Despite being privately owned, Lake Coronado Dam is regulated and inspected by the Arkansas Natural Resources Commission (ANRC), ensuring its safety and compliance with state regulations.

With a significant hazard potential, Lake Coronado Dam remains a vital structure in the region, contributing to the conservation and management of water resources for both recreational and environmental purposes. Its strategic location and design make it a key component in the local water infrastructure, highlighting the importance of sustainable water management practices in the face of changing climate conditions.

Year Completed

1976

Dam Length

1350

Dam Height

86.5

River Or Stream

CEDAR CREEK

Primary Dam Type

Earth

Surface Area

380

Hydraulic Height

75

Drainage Area

8.8

Nid Storage

16128

Structural Height

89.5

Hazard Potential

Significant

Nid Height

90
       
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.