Otisco Lake Dam
New York — Onondaga County — NINEMILE CREEK
Location
| State | New York |
| County | Onondaga |
| River | NINEMILE CREEK |
| Coordinates | 42.90444, -76.31250 |
Physical Characteristics
| NID Height | 18 ft |
| Dam Height | 18 ft |
| Dam Length | 310 ft |
| NID Storage | 47,890 acre-ft |
| Max Storage | 47,890 acre-ft |
| Surface Area | 2,291 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Satisfactory |
| EAP Status | Yes |
| Last Inspection | October 23, 2023 |
| Inspection Frequency | 2 |
Dam Information
| Year Completed | 1956 |
| Primary Purpose | Recreation |
| Dam Type | Concrete |
| Owner Type | Public Utility |
| Owner | ONONDAGA COUNTY WATER AUTHORITY (OCWA) |
Location Map
About This Dam Record
Dam safety data is maintained by the Army Corps of Engineers National Inventory of Dams (NID). High-hazard dams are those where failure could cause loss of life or major property damage downstream.