Weymouth Pond Reservoir Report

Last Updated: December 19, 2025

Weymouth Pond, located in Somerset, Maine, is a picturesque water resource managed by a private owner with state regulation and enforcement.


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Summary

The dam, completed in 1880, stands at 7 feet tall and has a hydraulic height of 6 feet, creating a reservoir with a storage capacity of 233 acre-feet. The pond covers an area of 87 acres and is fed by Bog Brook, providing a serene backdrop for recreational activities.

Despite its age, Weymouth Pond is classified as having a low hazard potential and has not been formally assessed for its condition. The dam is primarily used for purposes other than flood control or water supply, making it a valuable asset for local residents and visitors seeking outdoor recreation opportunities. With a spillway width of 40 feet, the pond is equipped to handle potential discharge events, ensuring the safety and stability of the structure for continued enjoyment by the community.

As a historic feature of the landscape, Weymouth Pond serves as a reminder of the region's past while offering a peaceful retreat for nature lovers and climate enthusiasts. The site's unique blend of natural beauty and man-made infrastructure presents an opportunity for environmental education and appreciation of the vital role that water resources play in shaping our surroundings. Whether for fishing, boating, or simply enjoying the tranquility of the water, Weymouth Pond remains a cherished destination for those seeking to connect with the natural world.

Year Completed

1880

Dam Length

40

Dam Height

7

River Or Stream

Bog Brook

Primary Dam Type

Concrete

Surface Area

87

Hydraulic Height

6

Drainage Area

1.5

Nid Storage

233

Structural Height

7

Hazard Potential

Low

Nid Height

7
       
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.