Black River Pond Dam

Black River Pond Dam is an earth dam located in Rensselaer County, New York, built in 1935. It carries a High hazard potential classification and has a fair condition assessment.

About Black River Pond Dam

The primary purpose of Black River Pond Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Nys Parks, Recreation & Historic Preservation (state). It impounds the Black River near Stephentown Center.

The dam stands 42 feet tall and stretches 560 feet across, creates a reservoir covering 100 acres, has a maximum storage capacity of 1,710 acre-feet, and collects water from a drainage area of 8 square miles. Completed in 1935, the structure is well-established, with more than 75 years of service.

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 fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. An emergency action plan is in place for this dam. The most recent inspection on record was 01/10/2025.

At 42 feet, this dam is taller than 89% of dams nationwide.

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 HazardFair ConditionEmergency Action Plan: Yes

Location

StateNew York
CountyRensselaer
Nearest CityStephentown Center
River/StreamBlack River
Coordinates42.61444, -73.40889

Physical Characteristics

Dam TypeEarth
NID Height42 ft
Dam Height42 ft
Dam Length560 ft
Year Completed1935 (91 years old)

Storage & Hydraulics

NID Storage1,710 acre-ft
Max Storage1,710 acre-ft
Normal Storage1,060 acre-ft
Surface Area100 acres
Drainage Area8 sq mi
Max Discharge5,550 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerNYS PARKS, RECREATION & HISTORIC PRESERVATION
Owner TypeState
Hazard ClassificationHigh
Condition AssessmentFair
Last Inspection01/10/2025
Emergency Action PlanYes

Identifiers

NID IDNY00104
Federal IDNY00104
More InfoState Dam Safety Program

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