Beaver Pond Reservoir Report

Last Updated: December 15, 2025

Beaver Pond, located in Wildwood, New Hampshire, is a Federal-owned water resource managed by the USDA Forest Service.


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Summary

This Earth-type dam was completed in 1927 for the primary purpose of creating a Fish and Wildlife Pond, with additional benefits for recreation. The dam stands at a height of 14 feet and has a storage capacity of 92 acre-feet, providing essential habitat for aquatic life in the Wild Ammonoosuc River.

Despite its low hazard potential, Beaver Pond is regulated and inspected by the NHDES DAM BUREAU, ensuring its structural integrity and safety. The dam has a moderate risk assessment rating, highlighting the importance of ongoing risk management measures. The last inspection in July 2018 deemed the condition of Beaver Pond as not rated, suggesting a need for further assessment to ensure its long-term sustainability and effectiveness in managing water resources in the region. For water resource and climate enthusiasts, Beaver Pond serves as a vital ecosystem supporting fish and wildlife while offering recreational opportunities for visitors to enjoy the natural beauty of Grafton County, New Hampshire.

Year Completed

1927

Dam Length

220

Dam Height

14

River Or Stream

WILD AMMONOOSUC

Primary Dam Type

Earth

Hydraulic Height

10

Nid Storage

92

Structural Height

14

Hazard Potential

Low

Foundations

Rock, Soil

Nid Height

14
       
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.