Lake Lucille Dam Reservoir Report

Last Updated: December 21, 2025

Lake Lucille Dam in Rockland, New York, stands as a key structure on the Hackensack River, completed in 1935 with a primary purpose of recreation.


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Summary

This concrete dam, with a height of 13 feet and a length of 130 feet, boasts a storage capacity of 62 acre-feet, offering a surface area of 17 acres for outdoor enthusiasts to enjoy. The dam is state-regulated by the New York State Department of Environmental Conservation, ensuring ongoing inspection, permitting, and enforcement to maintain its integrity.

Despite its recreational focus, Lake Lucille Dam holds a high hazard potential, prompting a moderate risk assessment. While its condition remains unrated, the dam undergoes inspections every two years to monitor its safety. Emergency action plans have been prepared and revised as recently as 2018, aligning with guidelines to address potential risks effectively. With a spillway width of 25 feet and uncontrolled spillway type, the dam is equipped to manage water flow and mitigate flood risks in the area.

Lake Lucille Dam serves as a vital water resource and recreational hub in Rockland, New York, offering both enjoyment and a critical role in flood control. As climate enthusiasts and water resource advocates, understanding the intricacies of such structures is essential to ensure their longevity and safety for generations to come. The dam's history, design, and ongoing management underscore the importance of balancing human recreation with environmental protection in safeguarding our natural resources.

Year Completed

1935

Dam Length

130

Dam Height

13

River Or Stream

HACKENSACK RIVER

Primary Dam Type

Concrete

Surface Area

17

Nid Storage

62

Hazard Potential

High

Nid Height

13
       
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.