Wantastiquet Lake Reservoir Report

Last Updated: December 13, 2025

Wantastiquet Lake in Weston, Vermont is a picturesque water resource that offers a haven for water and climate enthusiasts seeking recreational activities.


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Summary

Built in 1880, this serene lake boasts a masonry dam structure with a height of 22 feet and a storage capacity of 530 acre-feet. The lake covers a surface area of 45 acres and is fed by the West River-TR, providing a tranquil setting for fishing, boating, and other outdoor pursuits.

Managed by private owners, Wantastiquet Lake is regulated by the Vermont Department of Environmental Conservation, ensuring that the dam meets safety standards and undergoes regular inspections. Despite being classified as a high hazard potential structure, the dam is assessed to be in fair condition, with a last inspection date recorded in July 2017. While there are no associated locks or spillways, the lake's recreational purpose and historic significance make it a valuable natural asset in Windsor County, Vermont.

Water resource enthusiasts will appreciate the historical significance and environmental importance of Wantastiquet Lake, which not only provides a source of recreation but also serves as a vital habitat for wildlife in the region. With its unique blend of scenic beauty and functional infrastructure, the lake represents a harmonious balance between human enjoyment and natural conservation efforts. Whether exploring the shores for birdwatching or simply enjoying a peaceful day on the water, Wantastiquet Lake offers a truly immersive experience for those passionate about water resources and climate conservation.

Year Completed

1880

Dam Length

400

Dam Height

22

River Or Stream

WEST RIVER-TR

Primary Dam Type

Masonry

Surface Area

45

Hydraulic Height

22

Drainage Area

1.86

Nid Storage

530

Structural Height

22

Hazard Potential

High

Foundations

Soil

Nid Height

22
       
Seasonal Comparison

Weather Forecast

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.