Canadice Lake Dam Reservoir Report

Last Updated: December 6, 2025

Canadice Lake Dam in Hemlock, New York, is a vital structure managed by the local government for water supply purposes.


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Summary

Completed in 1947, this earth dam stands at a height of 11 feet and spans 735 feet in length, holding a maximum storage capacity of 16,195 acre-feet. The dam overlooks the Canadice Lake Outlet, with a controlled spillway width of 100 feet to manage discharge up to 6,527 cubic feet per second.

With a high hazard potential but a satisfactory condition assessment as of December 2020, regular inspections occur every two years to ensure the dam's integrity. Despite its very high risk assessment ranking, the structure meets regulatory guidelines and is equipped for emergency situations. The Canadice Lake Dam plays a crucial role in maintaining a stable water supply for the surrounding area while also managing potential climate-related impacts on the region's water resources, making it a key asset for water resource and climate enthusiasts to monitor and appreciate.

Year Completed

1947

Dam Length

735

Dam Height

11

River Or Stream

CANADICE LAKE OUTLET

Primary Dam Type

Earth

Surface Area

657

Drainage Area

12.34

Nid Storage

16195

Hazard Potential

High

Nid Height

11
       
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.