Central Nyack Drainage Improvement Project

Central Nyack Drainage Improvement Project – Dam & Detention Basin
Central Nyack, Rockland County, New York

Location: Town of Clarkstown, Dept of Env Control
Owner: NYDEC
Contact: Rich Westervelt (845)639-2111
Approx. Revenue:  $4,930,000.00

Description: Construction of a new detention basin and high berm to mitigate Central Nyack Flooding and improve drainage. Work consisted of Clearing & Grubbing, Excavation, Embankment, Sheet Pile Cut-off Wall, Concrete Spillway, concrete sluice stairway and Inlet Structure. Also includes Rip Rap, Grouted Rip Rap, Underdrains, Access Road, Fencing, Construction of Trails, Restoration and Plantings.

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