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  • Army Corps targets earlier refill for Lake Washington

    Seattle District Water Management officials are filling Lake Washington nearly a month early with full refill expected in early May, due to the statewide drought declaration. Snowpack is lower than normal, and the National Weather Service Climate Prediction Center’s seasonal forecasts show a warmer and drier summer ahead. The mariner community along Lake Washington Ship Canal and in Lakes Washington and Union is advised to expect earlier high water than in previous years.

  • USACE Botanical Garden earns ArbNet Level II accreditation

    The Carl S. English Jr. Botanical Garden achieved Level II Accreditation from The ArbNet Arboretum Accreditation Program. The ArbNet Arboretum Accreditation Program established a widely recognized set of industry standards for the arboretum community. No other international program of accreditation exists that is specific to arboreta.

  • U.S. Army Corps of Engineers begins Lake Washington annual spring refill

    U.S. Army Corps of Engineers officials will begin Lake Washington’s annual spring refill operations February 15, 2023.

  • Army Corps of Engineers Work Plan for FY 2021 Civil Works Appropriations includes over $97 million for Seattle District projects

    The U.S. Army Corps of Engineers (USACE) delivered to Congress its Fiscal Year 2021 Work Plan for the Army Civil Works program on January 19, 2021. The work plan includes more than $97 million additional funding for Seattle District projects, including: • Grays Harbor - $2,750,000 • Lake Washington Ship Canal - $18,784,000 • Seattle Harbor (Harbor Donor and Energy Transfer Port Payment) - $2,782,000 • Tacoma Harbor (Harbor Donor and Energy Transfer Port Payment) - $2,744,000 • Puget Sound Nearshore Marine Habitat Restoration - $2,563,000 • Albeni Falls Dam Fish Passage - $68,100,000

  • USACE announces faster drawdown of Lake Washington lake levels

    Seattle District, U.S. Army Corps of Engineers’ officials have announced Lake Washington elevation reductions in preparation for the Suquamish Tribal fishing season and Corps Emergency Scour Repair project that begins September 13 and 15, respectively. The drawdown has begun and the projected lake level should reach 20.25 ft. by September 12.

  • Army Corps raising Lake Washington to summer elevation early

    SEATTLE – For the second consecutive year, U.S. Army Corps of Engineers officials will raise lakes Washington and Union earlier than typical to the target summer 22-foot elevation due to lower than normal inflows.

  • Hiram M. Chittenden large and small locks closing overnight for electric work

    Hiram M. Chittenden Locks large and small chambers are closing to marine traffic from 10:00 p.m. Feb. 13 to 6:00 a.m. Feb. 14 for electrical work.

  • Chittenden Locks large chamber closing to marine traffic one additional morning for dive work

    The Hiram M. Chittenden Locks large chamber will close to marine traffic one additional morning from 7:00 to 11:00 a.m. Friday, Dec. 18, to complete dive work related to pump plant construction. The small chamber lock is not affected and will be operating normally. Pedestrian traffic is not affected.

  • Chittenden Locks large chamber closing to marine traffic

    The Hiram M. Chittenden Locks large chamber will close to marine traffic from 8:00 to 11:00 a.m. Thursday, Dec. 17, to complete dive work related to pump plant construction. The small chamber lock is not affected and will be operating normally. Pedestrian traffic is not affected.

  • Chittenden Locks large chamber closure for dive work rescheduled

    The Hiram M. Chittenden Locks large chamber will close to marine traffic from 8:00 to 11:00 a.m. Tuesday, Dec. 15, for dive work related to pump plant construction. Work is rescheduled from the original time and date of 8:00 to 11:00 Wednesday, Dec. 9. The small chamber lock is not affected and will be operating normally. Pedestrian traffic is not affected.