Bear Pond Dam Reservoir Report

Last Updated: December 18, 2025

Bear Pond Dam, located in Warner, New Hampshire, is a local government-owned structure that plays a crucial role in water supply management.


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Summary

Built in 1932, this Earth-type dam stands at 8 feet tall and stretches 177 feet in length, with a storage capacity of 210 acre-feet. Operating under the regulation of the NHDES Dam Bureau, the dam is inspected regularly and has been deemed to have a low hazard potential and satisfactory condition.

Serving as a barrier to TR Amey Brook, Bear Pond Dam supports a surface area of 49 acres and a drainage area of 1.3 square miles. With an uncontrolled spillway type and a width of 6 feet, the dam has a moderate risk assessment level. Despite its age, the dam remains a vital component of the local water infrastructure, demonstrating the importance of proper maintenance and regulation in ensuring water resource sustainability in the region.

Managed by the New England District of the US Army Corps of Engineers, Bear Pond Dam is a testament to the collaboration between local and federal agencies in safeguarding water resources. With its strategic location and function in water supply, the dam serves as a critical asset in climate resilience efforts in Merrimack County, New Hampshire. As climate change continues to impact water availability, the maintenance and monitoring of structures like Bear Pond Dam will be essential in adapting to the evolving challenges of the future.

Year Completed

1932

Dam Length

177

Dam Height

8

River Or Stream

TR AMEY BROOK

Primary Dam Type

Earth

Surface Area

49

Drainage Area

1.3

Nid Storage

210

Hazard Potential

Low

Foundations

Unlisted/Unknown

Nid Height

8
       
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.