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The U.S. Army Corps of Engineers, New York District is developing a plan to dredge critical shoals within Long Island Intracoastal Waterway Federal Navigation Channel.
According to the Corps, the proposed work will involve dredging of the Long Island Intracoastal Waterway in the eastern end of Bellport Bay to Moriches Bay to remove critical shoals.
The dredging will remove approximately 25,000 cubic yards of sand from the LIIW to a depth of -6 feet MLLW plus two (2) feet allowable overdepth.
The includes dredging of six sandy shoals within LIIW, with placement of dredged sand along the ocean shoreline of Cupsogue Beach County Park, the shoreline of Mastic Beach, and the shoreline of Pattersquash Island.
LIIW was last dredged in 2024, by pipeline dredge (cutterhead), with the removal of 47,910 cubic yards of sand from Quogue Canal and Shinnecock Bay with placement of dredged material on the shoreline of West of Shinnecock Inlet, Tiana Bayside Beach, and Shagwong Marina Beach.