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FACT SHEET-Long Island Intracoastal Waterway, New York - Federal Navigation Channel

Maintenance and Stewardship

Published Feb. 1, 2018

DESCRIPTION:  This asset provides for a navigation channel 6 feet deep, 100 feet wide from the Federally improved channel in Great South Bay, opposite Patchogue, to the south end of Shinnecock Canal.  The lengthy 33.6 mile project traverses the inland waters through the Great South Bay, the Bellport Bay, the Narrow Bay, the Moriches Bay, the Quantuck Bay and the Shinnecock Bay.  

AUTHORIZATION:  The Rivers and Harbors Act of August 26, 1937.

STATUS:  During FY18, the project is in caretaker status.  The conditions of the Federal Navigation channel will be monitored and coordinated with the US Coast Guard and other local stakeholders.   The last maintenance dredging cycle was completed in November 2014 in the Moriches Bay reach.  The prior maintenance dredging cycle completed in November 2012 was used to close the breach of the barrier island caused by Hurricane Sandy at Smith Point County Park.  



Edward Wrocenski, Project Manager,



U.S. Army Corps of Engineers, New York District    

26 Federal Plaza  

New York, NY 10278           



Release no.