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  • Army Corps shares update on Maurice River maintenance dredging

    The U.S. Army Corps of Engineers’ Philadelphia District shared an update regarding upcoming maintenance dredging of the lower Maurice River in Cumberland County, N.J. The Army Corps’ contractor, Cottrell Contracting Corporation of Chesapeake, Va., will dredge approximately 80,000 cubic yards of sediment from the federal channel near the mouth of the Maurice River.

  • Forecast shows Missouri River runoff returning to more normal levels after below-average 2025

    For the 2025 calendar year, Missouri River basin runoff above Sioux City, Iowa totaled 19.9 million acre-feet, 78% of average. For 2026, the U.S. Army Corps of Engineers is forecasting runoff in the Missouri River basin above Sioux City, Iowa to be near- average at 24.5 MAF, 96% of average.

  • MKARNS Nav Notice SWL 26-02 Lock Closure Forecast - 2026

    The purpose of this Navigation Notice is to provide forecasted lock closures for the 110-ft Stoplog Conversion projects in 2026. The information below is considered tentative and the closure details could change depending on site conditions, construction means and methods and other variables.

  • Army Corps shares update on New Jersey Intracoastal Waterway maintenance dredging

    The U.S. Army Corps of Engineers’ Philadelphia District shared an update regarding upcoming maintenance dredging of the New Jersey Intracoastal Waterway. In mid-January, the Army Corps’ contractor Barnegat Bay Dredging Company of Harvey Cedars, N.J. will begin dredging the New Jersey Intracoastal Waterway federal channel between markers 152 to 163 (west of Brigantine, N.J.). The sediment will be beneficially used to enhance salt marsh at the East Pool at Edwin B. Forsythe National Wildlife Refuge.

  • MKARNS Nav Notice SWL 25-91 MPLD Nav Pass Closed

    Due to falling river elevations, the crest gate dam at Montgomery Point Lock and Dam (NM 0.5) is in operation and the navigation pass is closed. All vessels are required to pass through the lock until further notice.

  • MKARNS Nav Notice SWL 25-90 MPLD Nav Pass Open

    Due to increased river elevations, the crest gate dam at Montgomery Point Lock and Dam (NM 0.5) is lowered and the navigation pass is open. When the Montgomery Point Lock and Dam tailwater elevation drops below 115 ft, the navigation pass will be closed. Vessels may contact Montgomery Point Lock and Dam on Channel 16 for further information.

  • Army Corps monitors widespread navigation hazards

    Army Corps monitors widespread navigation hazards caused by the recent accumulation of large woody debris carried into the Puget Sound and along the Washington coast, due to multiple atmospheric rivers and heavy precipitation impacting the region.

  • MKARNS Nav Notice SWL 25-89 Sailing Instructions NM 237.1 to NM 238.3

    Due to shoaling, mariners are advised that until further notice, both upbound and downbound tows should favor the red buoys from NM 237.1 to NM 238.3.

  • Missouri River Navigation Structure repairs continue with Cora Island flow control structures after severe damage from 2019 Flood

    Missouri River navigation is a critical mission of the Kansas City District, U.S. Army Corps of Engineers to support both the American public and regional commerce. That’s why a massive construction project on the Missouri River was recently completed to repair and improve navigation support, while protecting a valuable ecosystem managed by the U.S. Fish and Wildlife Service.

  • ERDC and USACE New York District partner on New York Harbor field testing

    Four U.S. Army Engineer Research and Development Center (ERDC) laboratories, along with the U.S. Army Corps of Engineers New York District (NAN), recently joined forces to conduct a series of anchor penetration-depth field tests at Stapleton Anchorage in the New York Harbor.