Kentucky River Lock And Dam 2 Reservoir Report

Last Updated: December 6, 2025

Kentucky River Lock and Dam 2, located in Gratz, Henry County, Kentucky, was completed in 1839 and is managed by the US Army Corps of Engineers.


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Summary

This timber crib dam serves primarily for navigation purposes on the Kentucky River, providing recreational opportunities as well. With a structural height of 34 feet and a hydraulic height of 20 feet, the dam spans 438 feet in length and has a storage capacity of 10,550 acre-feet.

The dam has a low hazard potential but is categorized as having a high flood risk (2). To mitigate this risk, the USACE continually monitors the dam's condition, prioritizes maintenance activities, and collaborates with local emergency managers to develop emergency action plans and evacuation procedures. Despite its risk level, the dam plays a crucial role in managing water levels and protecting downstream areas from flooding, showcasing the importance of responsible water resource management in the face of climate variability and severe weather events.

As an integral part of the Kentucky River's infrastructure, Kentucky River Lock and Dam 2 exemplifies the intersection of water resource management and climate resilience. The USACE's proactive risk management measures, including regular inspections, maintenance, and community engagement, ensure the dam's functionality and safety, highlighting the critical role that sustainable water infrastructure plays in safeguarding communities and ecosystems in the face of changing climate conditions.

Year Completed

1839

Dam Length

438

River Or Stream

KENTUCKY

Primary Dam Type

Timber Crib

Surface Area

533

Length Of Locks

145

Hydraulic Height

20

Drainage Area

6180

Nid Storage

10550

Structural Height

34

Hazard Potential

Low

Nid Height

34
       
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.