Lake Macgregor Dam, located in Mohopac Falls, New York, is a vital water resource that serves the primary purpose of recreation.
Wind
Humidity
Completed in 1955, this earthen dam stands at a height of 38 feet and stretches 420 feet in length, with a maximum storage capacity of 250 acre-feet. The dam, situated on the TR-Muscoot River, covers a surface area of 23 acres and plays a crucial role in regulating water flow, with a maximum discharge capacity of 540 cubic feet per second.
Managed by the local government, the dam is subject to state regulations and inspections, ensuring its structural integrity and safety. Classified with a significant hazard potential, the dam has a moderate risk assessment rating. Despite not being condition rated, the dam's Emergency Action Plan (EAP) was last revised in May 2019, indicating a proactive approach to emergency preparedness. With a spillway width of 16 feet and uncontrolled spillway type, Lake Macgregor Dam is a key asset in water management and climate resilience efforts in Putnam County, New York.
Year Completed |
1955 |
Dam Length |
420 |
Dam Height |
38 |
River Or Stream |
TR-MUSCOOT RIVER |
Primary Dam Type |
Earth |
Surface Area |
23 |
Drainage Area |
0.39 |
Nid Storage |
250 |
Hazard Potential |
Significant |
Nid Height |
38 |
| Location | Reservations | Toilets |
|---|---|---|
Clarence Fahnestock State Park
|
||
Camping for Hikers on ballfield Graymoor Center
|
||
Blue Mountain Reservation
|
||
Mountain Lakes Park
|