Tremont Street Dam Reservoir Report

Last Updated: December 21, 2025

Tremont Street Dam, located in Carver, Massachusetts, is a concrete structure primarily used for irrigation purposes.


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Summary

The dam, standing at a height of 12 feet with a hydraulic height of 6 feet, controls the flow of Sampson Brook and provides a storage capacity of 672 acre-feet. With a surface area of 6 acres and a drainage area of 4.9 square miles, the dam plays a crucial role in water resource management in the region.

Managed by the Department of Conservation and Recreation in Massachusetts, Tremont Street Dam is regulated, permitted, inspected, and enforced by state authorities to ensure its safety and functionality. Despite being classified as having a significant hazard potential, the dam is currently in fair condition as assessed in November 2017. As a key component in the local water infrastructure, the dam serves not only for irrigation but also for recreational purposes, highlighting its importance in the community.

With its unique design as a concrete buttress dam, Tremont Street Dam represents a blend of engineering excellence and environmental stewardship. Its presence along Sampson Brook contributes to the overall water management system in Plymouth County, showcasing the intersection of human intervention and natural resource conservation. For water resource and climate enthusiasts, the dam serves as a focal point for studying the delicate balance between human needs and ecological sustainability in the face of changing climate conditions.

Dam Length

150

Dam Height

12

River Or Stream

SAMPSON BROOK

Primary Dam Type

Concrete

Surface Area

6

Hydraulic Height

6

Drainage Area

4.9

Nid Storage

672

Hazard Potential

Significant

Foundations

Unlisted/Unknown

Nid Height

12
       
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.