Nanticoke Creek Site 9c Dam

Nanticoke Creek Site 9c Dam is an earth dam located in Broome County, New York, built in 1967. It carries a High hazard potential classification and has a fair condition assessment.

About Nanticoke Creek Site 9c Dam

The primary purpose of Nanticoke Creek Site 9c Dam is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Broome County - Broome County Department Of Parks And Recreation (local government). It impounds the Nanticoke Creek near Nanticoke.

The dam stands 33 feet tall and stretches 870 feet across, creates a reservoir covering 13 acres, has a maximum storage capacity of 899 acre-feet, and collects water from a drainage area of 4 square miles. Completed in 1967, 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 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 04/04/2025.

At 33 feet, this dam is taller than 78% 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
CountyBroome
Nearest CityNanticoke
River/StreamNanticoke Creek
Coordinates42.30713, -76.07877

Physical Characteristics

Dam TypeEarth
NID Height33 ft
Dam Height33 ft
Dam Length870 ft
Year Completed1967 (59 years old)

Storage & Hydraulics

NID Storage899 acre-ft
Max Storage899 acre-ft
Normal Storage193 acre-ft
Surface Area13 acres
Drainage Area4 sq mi
Max Discharge8,474 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeFlood Risk Reduction
OwnerBROOME COUNTY - BROOME COUNTY DEPARTMENT OF PARKS AND RECREATION
Owner TypeLocal Government
Hazard ClassificationHigh
Condition AssessmentFair
Last Inspection04/04/2025
Emergency Action PlanYes

Identifiers

NID IDNY00628
Federal IDNY00628
More InfoState Dam Safety Program

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