The Green Haven Correctional Facility Dam, also known as the Prison Reservoir Dam, is a concrete structure located in Poughquag, New York.
Wind
Humidity
Completed in 1939, this dam serves multiple purposes including fire protection and providing a small fish pond. With a height of 40 feet and a length of 176 feet, the dam has a storage capacity of 322 acre-feet and a drainage area of 4.45 square miles.
Despite its historical significance, the Green Haven Correctional Facility Dam is classified as having a high hazard potential and a poor condition assessment. The dam is regulated by the New York State Department of Environmental Conservation (NYS DEC) and undergoes regular inspections, with the last one conducted in November 2020. The dam's spillway is uncontrolled with a width of 100 feet, and it has a maximum discharge capacity of 3,324 cubic feet per second.
Given its moderate risk level and the need for maintenance, the Green Haven Correctional Facility Dam presents an opportunity for water resource and climate enthusiasts to advocate for improved risk management measures and potential rehabilitation efforts. With its location in Dutchess County and proximity to Gardner Hollow Brook, the dam's maintenance and safety are crucial for protecting local communities and ecosystems.
Year Completed |
1939 |
Dam Length |
176 |
Dam Height |
40 |
River Or Stream |
GARDNER HOLLOW BROOK |
Primary Dam Type |
Concrete |
Surface Area |
23 |
Drainage Area |
4.45 |
Nid Storage |
322 |
Hazard Potential |
High |
Nid Height |
40 |