Ashokan Dam
New York — Ulster County — ESOPUS CREEK
Location
| State | New York |
| County | Ulster |
| River | ESOPUS CREEK |
| Coordinates | 41.93806, -74.21917 |
Physical Characteristics
| NID Height | 213 ft |
| Dam Height | 213 ft |
| Dam Length | 4,650 ft |
| NID Storage | 512,500 acre-ft |
| Max Storage | 512,500 acre-ft |
| Surface Area | 7,923 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Satisfactory |
| EAP Status | Yes |
| Last Inspection | October 21, 2022 |
| Inspection Frequency | 2 |
Dam Information
| Year Completed | 1916 |
| Primary Purpose | Water Supply |
| Dam Type | Earth |
| Owner Type | Local Government |
| Owner | NYCDEP DAMS WEST OF THE HUDSON RIVER |
| Other Name | Olive Bridge Dam |
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.