Windsorville Pond Dam Reservoir Report

Last Updated: December 6, 2025

Windsorville Pond Dam, located in East Windsor, Connecticut, is a privately-owned structure primarily used for recreation.


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Summary

Built in 1880, this concrete dam stands at a height of 17 feet and has a length of 120 feet, providing a normal storage capacity of 156 acre-feet. The dam overlooks the Ketch Brook and has a spillway width of 30 feet, with an uncontrolled spillway type.

Despite its fair condition assessment as of October 2016, Windsorville Pond Dam poses a significant hazard potential, prompting regular inspections every 7 years. The dam is regulated by the Connecticut Department of Energy and Environmental Protection (DEEP), ensuring proper maintenance and enforcement of safety protocols. With a moderate risk assessment rating of 3, there are ongoing efforts to manage potential risks associated with the dam's operations.

For water resource and climate enthusiasts, the Windsorville Pond Dam serves as a fascinating case study in dam infrastructure management and the intersection of recreation and environmental conservation. Its historical significance, coupled with its important role in water management for the region, highlights the complex decision-making processes involved in balancing human activities with ecological considerations in the face of changing climate patterns.

Year Completed

1880

Dam Length

120

Dam Height

17

River Or Stream

KETCH BROOK

Primary Dam Type

Concrete

Surface Area

21

Drainage Area

4.96

Nid Storage

156

Outlet Gates

Valve

Hazard Potential

Significant

Nid Height

17
       
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.