Aleck Meadow Reservoir Dam

Aleck Meadow Reservoir Dam is an earth dam located in Orange County, New York, built in 1956. It carries a Significant hazard potential classification and has a poor condition assessment.

About Aleck Meadow Reservoir Dam

The primary purpose of Aleck Meadow Reservoir Dam is water supply. The dam stores water for municipal, industrial, or agricultural use, helping ensure a reliable supply for the surrounding area. The dam is owned by Village Of Cornwall-on-hudson (local government). It impounds the Tr-hudson River near Cornwall-on-hudson.

The dam stands 23 feet tall and stretches 480 feet across, creates a reservoir covering 7 acres, has a maximum storage capacity of 54 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1956, the structure is well into its service life at over 50 years old.

This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated poor, meaning the dam has recognized safety deficiencies that require remediation to address risks. An emergency action plan is in place for this dam. The most recent inspection on record was 11/12/2021.

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Significant HazardPoor ConditionEmergency Action Plan: Yes

Location

StateNew York
CountyOrange
Nearest CityCornwall-on-hudson
River/StreamTr-hudson River
Coordinates41.40611, -74.01556

Physical Characteristics

Dam TypeEarth
NID Height23 ft
Dam Height23 ft
Dam Length480 ft
Year Completed1956 (70 years old)

Storage & Hydraulics

NID Storage54 acre-ft
Max Storage54 acre-ft
Normal Storage47 acre-ft
Surface Area7 acres
Drainage Area1 sq mi
Max Discharge390 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeWater Supply
OwnerVILLAGE OF CORNWALL-ON-HUDSON
Owner TypeLocal Government
Hazard ClassificationSignificant
Condition AssessmentPoor
Last Inspection11/12/2021
Emergency Action PlanYes

Identifiers

NID IDNY01103
Federal IDNY01103
More InfoState Dam Safety Program

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