Lake Cohasset Upper Dam
New York — Orange County — ARDEN BROOK
Location
| State | New York |
| County | Orange |
| River | ARDEN BROOK |
| Coordinates | 41.27591, -74.11364 |
Physical Characteristics
| NID Height | 25 ft |
| Dam Height | 25 ft |
| Dam Length | 150 ft |
| NID Storage | 373 acre-ft |
| Max Storage | 373 acre-ft |
| Surface Area | 37 acres |
Safety Classification
| Hazard Potential | High |
| Condition Assessment | Poor |
| EAP Status | Yes |
| Last Inspection | October 4, 2023 |
| Inspection Frequency | 2 |
Dam Information
| Year Completed | 1924 |
| Primary Purpose | Recreation |
| Dam Type | Concrete |
| Owner Type | State |
| Owner | NYSOPRHP - PALISADES INTERSTATE PARK COMMISSION |
| Other Name | Upper Lake Cohasset |
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.