Nanticoke Creek Site 7b Dam
Nanticoke Creek Site 7b Dam is an earth dam located in Tioga County, New York, built in 1970. It carries a High hazard potential classification and has a satisfactory condition assessment.
About Nanticoke Creek Site 7b Dam
The primary purpose of Nanticoke Creek Site 7b 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 Ketchumville Br Nanticoke Cr near Maine.
The dam stands 44 feet tall and stretches 830 feet across, creates a reservoir covering 4 acres, has a maximum storage capacity of 1,007 acre-feet, and collects water from a drainage area of 3 square miles. Completed in 1970, 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 satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 02/14/2024.
At 44 feet, this dam is taller than 90% 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.
Location
| State | New York |
| County | Tioga |
| Nearest City | Maine |
| River/Stream | Ketchumville Br Nanticoke Cr |
| Coordinates | 42.25833, -76.09167 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 44 ft |
| Dam Height | 44 ft |
| Dam Length | 830 ft |
| Year Completed | 1970 (56 years old) |
Storage & Hydraulics
| NID Storage | 1,007 acre-ft |
| Max Storage | 1,007 acre-ft |
| Normal Storage | 384 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 3 sq mi |
| Max Discharge | 7,558 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Flood Risk Reduction |
| Owner | BROOME COUNTY - BROOME COUNTY DEPARTMENT OF PARKS AND RECREATION |
| Owner Type | Local Government |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 02/14/2024 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | NY00605 |
| Federal ID | NY00605 |
| More Info | State Dam Safety Program |