Tannenbaum Reservoir Dam
Tannenbaum Reservoir Dam is an earth dam located in Cattaraugus County, New York, built in 2006. It carries a High hazard potential classification and has a satisfactory condition assessment.
About Tannenbaum Reservoir Dam
Tannenbaum Reservoir Dam is a dam in Cattaraugus, New York. The dam is owned by Win-sum Ski Corporation (private).
The dam stands 31 feet tall and stretches 3,000 feet across, creates a reservoir covering 12 acres, and has a maximum storage capacity of 220 acre-feet. Completed in 2006, the structure is relatively new.
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 05/17/2023.
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 | Cattaraugus |
| Nearest City | Ellicottville |
| Coordinates | 42.26222, -78.69861 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 31 ft |
| Dam Height | 31 ft |
| Dam Length | 3,000 ft |
| Year Completed | 2006 (20 years old) |
Storage & Hydraulics
| NID Storage | 220 acre-ft |
| Max Storage | 220 acre-ft |
| Normal Storage | 190 acre-ft |
| Surface Area | 12 acres |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Other |
| Owner | WIN-SUM SKI CORPORATION |
| Owner Type | Private |
| Hazard Classification | High |
| Condition Assessment | Satisfactory |
| Last Inspection | 05/17/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | NY16145 |
| Federal ID | NY16145 |
| More Info | State Dam Safety Program |