Weybridge East Reservoir Report

Last Updated: December 15, 2025

Weybridge East is a significant hydroelectric dam located in Weybridge, Vermont, along the Otter Creek.


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Summary

Completed in 1951, this concrete dam stands at a height of 30 feet and has a length of 114 feet, with a storage capacity of 600 acre-feet. The dam plays a crucial role in harnessing water resources for hydroelectric power generation, with a maximum discharge capacity of 46,000 cubic feet per second.

Managed by the Federal Energy Regulatory Commission, Weybridge East is classified as having a low hazard potential, but a very high risk assessment rating. Despite not being state-regulated, the dam undergoes regular inspections with a frequency of three years. The spillway, which is controlled with a width of 111 feet, ensures the safe release of excess water during peak flow periods. Overall, Weybridge East serves as a vital infrastructure for water resource management and renewable energy production in the region.

With its strategic location and role in hydroelectric power generation, Weybridge East exemplifies the intersection of water resource management and climate-friendly energy solutions. As a key player in the Federal Energy Regulatory Commission's portfolio, this dam underscores the importance of sustainable infrastructure for meeting the growing energy demands while minimizing environmental impact. As climate enthusiasts, understanding and supporting projects like Weybridge East can contribute to a more resilient and eco-friendly future for water resources and energy production.

Year Completed

1951

Dam Length

114

Dam Height

30

River Or Stream

Otter Creek

Primary Dam Type

Concrete

Surface Area

62

Drainage Area

750

Nid Storage

600

Outlet Gates

Other Controlled - 1

Hazard Potential

Low

Nid Height

30
       
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.