Burns Lake Dam Reservoir Report

Last Updated: December 16, 2025

Burns Lake Dam, also known as Long Pond or Montgomery Lake, is a state-owned recreational dam located in Whitefield, New Hampshire.


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Summary

Built in 1921, this earth dam stands at a height of 13 feet and spans 400 feet in length, providing a surface area of 128 acres for recreational activities. With a normal storage capacity of 401 acre-feet and a maximum storage of 849 acre-feet, the dam serves as a popular destination for water resource and climate enthusiasts seeking outdoor adventure in the Coos County region.

Managed by the NHDES Dam Bureau, Burns Lake Dam is regulated, inspected, and enforced by the state, ensuring its safety and compliance with regulatory standards. The dam poses a low hazard potential and is currently assessed to be in fair condition, with a moderate risk level assigned. While the emergency action plan status and inundation maps are not yet prepared, the dam's risk management measures are under review, highlighting the commitment to ensuring public safety and protection of the surrounding environment. For those interested in exploring the beauty of New Hampshire's water resources, Burns Lake Dam offers a tranquil setting for outdoor recreation and appreciation of nature.

As part of the New England District, Burns Lake Dam is a testament to the state's dedication to maintaining and enhancing its water infrastructure for the benefit of its residents and visitors. With its serene location along the TR Johns River, the dam provides a picturesque backdrop for activities such as fishing, boating, and wildlife observation. Whether you're a local resident or a visitor to the area, Burns Lake Dam invites you to experience the beauty and tranquility of New Hampshire's natural landscapes while supporting sustainable water resource management practices for future generations to enjoy.

Year Completed

1921

Dam Length

400

Dam Height

13

River Or Stream

TR JOHNS RIVER

Primary Dam Type

Earth

Surface Area

128

Drainage Area

4.98

Nid Storage

849

Hazard Potential

Low

Foundations

Unlisted/Unknown

Nid Height

13
       
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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.