Jennings Pond Dam

Jennings Pond Dam is an earth dam located in Tompkins County, New York, built in 1986. It carries a High hazard potential classification and has a fair condition assessment.

About Jennings Pond Dam

The primary purpose of Jennings 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 Finger Lakes (state). It impounds the Buttermilk Creek near Danby.

The dam stands 17 feet tall and stretches 565 feet across, creates a reservoir covering 32 acres, has a maximum storage capacity of 294 acre-feet, and collects water from a drainage area of 1 square miles. Completed in 1986, the structure is 40 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 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 02/27/2025.

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 HazardFair ConditionEmergency Action Plan: Yes

Location

StateNew York
CountyTompkins
Nearest CityDanby
River/StreamButtermilk Creek
Coordinates42.34683, -76.48703

Physical Characteristics

Dam TypeEarth
NID Height17 ft
Dam Height17 ft
Dam Length565 ft
Year Completed1986 (40 years old)

Storage & Hydraulics

NID Storage294 acre-ft
Max Storage294 acre-ft
Normal Storage128 acre-ft
Surface Area32 acres
Drainage Area1 sq mi
Spillway TypeUncontrolled

Ownership & Safety

PurposeRecreation
OwnerNYS PARKS & RECREATION FINGER LAKES
Owner TypeState
Hazard ClassificationHigh
Condition AssessmentFair
Last Inspection02/27/2025
Emergency Action PlanYes

Identifiers

NID IDNY00944
Federal IDNY00944
More InfoState Dam Safety Program

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