Long Meadow Pond Dam Reservoir Report

Last Updated: December 5, 2025

Located in Oxford, Connecticut, the Long Meadow Pond Dam is a privately owned concrete structure that serves primarily as a water supply source.


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Summary

With a height of 12 feet and a length of 350 feet, this dam impounds Long Meadow Pond Brook, creating a surface area of 132 acres and a drainage area of 3.02 square miles. The dam's spillway, measuring 75 feet wide, is uncontrolled, and it features a slide gate as an outlet.

While the Long Meadow Pond Dam has a significant hazard potential, its condition assessment in 2017 deemed it satisfactory. The dam is regularly inspected every five years, with the last inspection conducted in January 2017. Despite its moderate risk rating, the dam's emergency action plan (EAP) status and risk management measures are not specified in the available data. Overall, the Long Meadow Pond Dam plays a crucial role in water resource management in the region and is regulated by the Connecticut Department of Energy and Environmental Protection (DEEP).

Dam Length

350

Dam Height

12

River Or Stream

LONG MEADOW POND BROOK

Primary Dam Type

Concrete

Surface Area

132

Drainage Area

3.02

Outlet Gates

Slide (sluice gate)

Hazard Potential

Significant

Foundations

Unlisted/Unknown

Nid Height

12
       
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.