Brush Reservoir Dam Reservoir Report

Last Updated: December 6, 2025

Brush Reservoir Dam, also known as Gray's Pond, is a concrete dam located in Stamford, Connecticut.


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Summary

Completed in 1925, the dam stands at 23 feet tall and spans 243 feet in length, with a storage capacity of 75 acre-feet and a surface area of 6 acres. Its primary purpose is to serve as a water supply source, drawing water from the Gray's Pond Brook.

Managed by a public utility, the dam is regulated by the Connecticut Department of Energy and Environmental Protection (DEEP), with state permitting, inspection, and enforcement measures in place. Despite its low hazard potential, the dam's condition assessment is rated as poor, highlighting the need for maintenance and potential rehabilitation to ensure its long-term stability and reliability. The last inspection in August 2020 indicated the need for improvements, emphasizing the importance of proactive risk management and emergency preparedness measures for this critical infrastructure.

Year Completed

1925

Dam Length

243

Dam Height

23

River Or Stream

GRAYS POND BROOK

Primary Dam Type

Concrete

Surface Area

6

Drainage Area

1.54

Nid Storage

75

Hazard Potential

Low

Nid Height

23
       
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.