Bourn-Hadley Pond Dam Reservoir Report

Last Updated: December 12, 2025

Bourn-Hadley Pond Dam in Templeton, Massachusetts, is a private dam with a primary purpose of recreation.


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Summary

Completed in 1940, this earth dam stands at a height of 8.5 feet and has a hydraulic height of 6.5 feet. It holds a storage capacity of 120 acre-feet, with a normal storage level of 74 acre-feet. The dam is situated on Trout Brook and serves as a popular spot for outdoor enthusiasts seeking recreational activities.

Although the dam is regulated by the Department of Conservation and Recreation in Massachusetts, it has a low hazard potential and is rated in fair condition as of the last inspection in 2009. The risk assessment for Bourn-Hadley Pond Dam is moderate, indicating a level 3 risk. With a drainage area of 1800 acres and a surface area of 30 acres, this dam provides a picturesque setting for visitors to enjoy water-based activities while being mindful of the potential risks associated with its operation.

Overall, Bourn-Hadley Pond Dam offers a tranquil escape for individuals interested in water resources and climate. Its historical significance, combined with its recreational purpose, makes it a noteworthy feature in Worcester County, Massachusetts. While the dam is subject to state regulations and inspections, its low hazard potential and fair condition assessment highlight the importance of ongoing maintenance and risk management to ensure the safety of all who visit this picturesque location.

Year Completed

1940

Dam Length

150

Dam Height

8.5

River Or Stream

TROUT BROOK

Primary Dam Type

Earth

Surface Area

30

Hydraulic Height

6.5

Drainage Area

1800

Nid Storage

120

Hazard Potential

Low

Foundations

Unlisted/Unknown

Nid Height

9
       
Seasonal Comparison

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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.