Grossingers Lake Dam, located in Harris, Sullivan County, New York, is a privately owned earth dam built in 1950 for recreational purposes.
Wind
Humidity
With a height of 15 feet and a length of 200 feet, the dam holds a maximum storage capacity of 245 acre-feet of water in Grossingers Lake. The dam is situated on the TR-East Mongaup River and is regulated by the New York State Department of Environmental Conservation (NYS DEC).
The dam has a spillway type of "Uncontrolled" with a width of 20 feet, allowing for a maximum discharge of 515 cubic feet per second. The hazard potential of the dam is considered significant, with a moderate risk rating. Although the condition of the dam is currently not rated, it undergoes inspections every 4 years, with the last inspection conducted in June 2019. The dam does not have an Emergency Action Plan (EAP) in place, but the risk management measures for potential emergencies are not specified.
For water resource and climate enthusiasts, Grossingers Lake Dam presents an interesting case study of a privately owned recreational dam in New York. The dam's location on the TR-East Mongaup River and its significance in water storage and discharge highlight the importance of proper regulation and maintenance to ensure the safety of surrounding communities. Further research and monitoring of the dam's condition and risk assessment may provide valuable insights into sustainable water management practices in the region.
Year Completed |
1950 |
Dam Length |
200 |
Dam Height |
15 |
River Or Stream |
TR-EAST MONGAUP RIVER |
Primary Dam Type |
Earth |
Surface Area |
26 |
Nid Storage |
245 |
Hazard Potential |
Significant |
Nid Height |
15 |
| Location | Reservations | Toilets |
|---|---|---|
Morningside Park
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Camp Rayim
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Willowemoc Campground
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White Lake Covenanter Camp
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Mongaup Pond - DEC
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Onteora Scout Reservation
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