Downsville Dam, also known as Pepacton Reservoir, is located in Downsville, Delaware, New York, along the East Branch Delaware River.
Wind
Humidity
Completed in 1954, this earth dam stands at a height of 204 feet and stretches 2400 feet in length. Its primary purpose is water supply, with a maximum storage capacity of 609,740 acre-feet and a normal storage capacity of 420,280 acre-feet. The dam's surface area covers 5763 acres, serving a drainage area of 372 square miles.
Managed by local government authorities and regulated by the New York State Department of Environmental Conservation, Downsville Dam poses a high hazard potential, yet its condition assessment remains satisfactory as of February 2020. The dam is equipped with an uncontrolled spillway measuring 800 feet in width, capable of handling a maximum discharge of 200,000 cubic feet per second. Despite its moderate risk rating, the dam has undergone regular inspections, with the next scheduled assessment set for 2022. Overall, Downsville Dam stands as a critical water resource infrastructure supporting the region's water supply needs while ensuring safety and regulatory compliance.
Year Completed |
1954 |
Dam Length |
2400 |
Dam Height |
204 |
River Or Stream |
EAST BRANCH DELAWARE RIVER |
Primary Dam Type |
Earth |
Surface Area |
5763 |
Drainage Area |
372 |
Nid Storage |
609740 |
Hazard Potential |
High |
Nid Height |
204 |
| Location | Reservations | Toilets |
|---|---|---|
Miller Hollow Campgrounds
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Bear Spring Mountain - DEC
|
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Russell Brook Campsites
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Beaverkill - DEC
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Little Pond - DEC
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Downsville Dam
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