Rotary Lake Dam is an earth dam located in Cattaraugus County, New York. It carries a Significant hazard potential classification.
Dam profile
NID height · 26 ft26 ft tall and 1,185 ft long, taller than 55% of U.S. dams with a recorded height. Height is drawn to scale against a two-story house, about 25 ft; the profile is a generic embankment section and the water level is illustrative.
About Rotary Lake Dam
The primary purpose of Rotary Lake Dam is recreation. The dam creates a reservoir used for recreational activities such as fishing, boating, and swimming. The dam is owned by Boy Scouts of America, Greater Niagara Frontier Council (private). It impounds the Tr-crystal Lake near Sanduskay.
The dam stands 26 feet tall and stretches 1,185 feet across, creates a reservoir covering 4 acres, has a maximum storage capacity of 59 acre-feet, and collects water from a drainage area of 0 square miles.
This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. An emergency action plan is in place for this dam. The most recent inspection on record was 05/18/2023.
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 | Sanduskay |
| River/Stream | Tr-crystal Lake |
| Coordinates | 42.45472, -78.34889 |
Physical Characteristics
| Dam Type | Earth |
| NID Height | 26 ft |
| Dam Height | 26 ft |
| Dam Length | 1,185 ft |
Storage & Hydraulics
| NID Storage | 59 acre-ft |
| Max Storage | 59 acre-ft |
| Normal Storage | 42 acre-ft |
| Surface Area | 4 acres |
| Drainage Area | 0 sq mi |
| Max Discharge | 90 cfs |
| Spillway Type | Uncontrolled |
Ownership & Safety
| Purpose | Recreation |
| Owner | Boy Scouts of America, Greater Niagara Frontier Council |
| Owner Type | Private |
| Hazard Classification | Significant |
| Condition Assessment | Not assessed |
| Last Inspection | 05/18/2023 |
| Emergency Action Plan | Yes |
Identifiers
| NID ID | NY01577 |
| Federal ID | NY01577 |
| More Info | State Dam Safety Program |