Ymca Camp Mcalister Dam

Ymca Camp Mcalister Dam is an earth dam located in Orange County, New York, built in 1955. It carries a High hazard potential classification and has a poor condition assessment.

About Ymca Camp Mcalister Dam

The primary purpose of Ymca Camp Mcalister Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Gweh, Llc (private). It impounds the Tr-neversink River near Huguenot.

The dam stands 26 feet tall and stretches 460 feet across, creates a reservoir covering 14 acres, has a maximum storage capacity of 155 acre-feet, and collects water from a drainage area of 2 square miles. Completed in 1955, the structure is well into its service life at over 50 years old.

This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. 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 04/02/2025.

Living Downstream

If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The New York dam safety program can provide more specific information about emergency planning for this structure.

Search for dams near your address to see all dams in your area with hazard classifications and safety data.

High HazardPoor ConditionEmergency Action Plan: Yes

Location

StateNew York
CountyOrange
Nearest CityHuguenot
River/StreamTr-neversink River
Coordinates41.43833, -74.63583

Physical Characteristics

Dam TypeEarth
NID Height26 ft
Dam Height26 ft
Dam Length460 ft
Year Completed1955 (71 years old)

Storage & Hydraulics

NID Storage155 acre-ft
Max Storage155 acre-ft
Normal Storage103 acre-ft
Surface Area14 acres
Drainage Area2 sq mi
Max Discharge356 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerGWEH, LLC
Owner TypePrivate
Hazard ClassificationHigh
Condition AssessmentPoor
Last Inspection04/02/2025
Emergency Action PlanYes

Identifiers

NID IDNY01218
Federal IDNY01218
More InfoState Dam Safety Program

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