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
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.