Stillwater Pond Dam Reservoir Report

Last Updated: December 5, 2025

Stillwater Pond Dam, located in Torrington, Connecticut, is a state-owned structure on the West Branch of the Naugatuck River.


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Summary

This dam serves primarily for recreational purposes, providing a tranquil setting for water enthusiasts to enjoy activities such as boating, fishing, and wildlife observation. With a height of 34 feet and a length of 443 feet, the dam creates a surface area of 95 acres and a storage capacity of 1,100 acre-feet, making it a significant feature in the surrounding landscape.

Despite its recreational value, Stillwater Pond Dam is classified as having a high hazard potential, highlighting the importance of regular inspections and maintenance to ensure its structural integrity. The dam is under the regulatory oversight of the Connecticut Department of Energy and Environmental Protection (DEEP), with state permitting, inspection, and enforcement mechanisms in place to ensure compliance with safety standards. The most recent inspection in October 2020 found the dam's condition to be satisfactory, but continued monitoring and risk assessment are crucial to mitigate potential hazards and ensure public safety in the event of an emergency.

As a focal point for outdoor recreation and a vital component of water resource management in the region, Stillwater Pond Dam serves as a reminder of the delicate balance between human enjoyment and environmental stewardship. Climate and water resource enthusiasts can appreciate the significance of this earth dam in providing both recreational opportunities and water storage capacity, while also recognizing the importance of sustainable practices to safeguard our natural resources for future generations.

Dam Length

443

Dam Height

34

River Or Stream

WEST BR NAUGATUCK R

Primary Dam Type

Earth

Surface Area

95

Drainage Area

24.4

Nid Storage

1100

Hazard Potential

High

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.