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  • Yakima Delta Habitat Management Unit to temporarily close for Amon Creek restoration

    RICHLAND, Wash. – The U.S. Army Corps of Engineers has temporarily closed the Columbia Park Trail parking lot and surrounding habitat area at the Yakima Delta Habitat Management Unit from Aug. 4 to 14 to accommodate the start of a major ecosystem restoration project.

  • Obstacles abound with dams, drought and dinner – diadromous fish migrating through South Carolina

    Fish migrating up the Santee River from the Atlantic Ocean face many obstacles as they return to spawn in freshwater areas in the heart of South Carolina. These diadromous fish – those that live part of life in fresh water and part in salt water – can hit a wall at Santee Cooper’s Wilson Dam, which they cannot pass. Others reach a bottleneck about 50 miles north of Charleston at the U.S. Army Corps of Engineers’ (USACE) Cooper River Rediversion Project. Fortunately, a fish lift allows them to continue their journey into Lakes Moultrie and Marion and beyond.

  • Volunteers Needed for Fish Habitat Improvement Projects at Carlyle Lake

    The U.S. Army Corps of Engineers, in partnership with the Carlyle Lake Education Habitat and Preservation (CLEHP) group and community volunteers, will host two volunteer workdays in March to improve fish habitat and enhance fisheries at Carlyle Lake.

  • Pacific Lamprey returns disappointing as compared to 2023, new structures offer hope

    After a prolific 2023, adult Pacific Lamprey returns are looking disappointing this year. So far, fish counters estimate only 22,021 (as of Sept. 14) lamprey have passed through Bonneville Lock and Dam’s fish ladders during daytime hours on their way upstream to spawn. Last year’s daytime fish ladder count was 63,937, which Northwestern Division touted in a news release, as it was much higher than the 10-year average.

  • Construction to begin at Mill Creek June 10

    WALLA WALLA, Wash. – The U.S. Army Corps of Engineers, Walla Walla District will begin construction projects at Mill Creek, June 10, to improve habitat conditions for endangered salmonids and improve flood risk management operations, while also replacing the boat ramp for public use at Bennington Lake.

  • President’s Budget includes $500 million to support Green River fish passage, water supply, flood risk management

    The President’s Budget request for Fiscal Year 2025 includes $500 million for construction of a downstream fish passage facility at Howard A. Hanson Dam on the Green River.

  • Army Corps to collect Christmas trees at Woodcock Creek Lake

    The U.S. Army Corps of Engineers Pittsburgh District will begin accepting live evergreen Christmas trees at Woodcock Creek Lake, which will be used for aquatic habitat improvement projects, beginning Dec. 27.

  • Pacific lamprey returns eclipsing other years

    *Our initial news release referenced adult Pacific Lamprey returns were 170 percent higher than the 10-year-average and then referenced the 10-year-average being 41,414 which is actually closer to 154 percent. The 170 percent number came from using the 2022 Annual Fish Passage Report, which references completed counts over ten years from 2013-2022. This average is 37,425. This has been updated online and addressed in other forums. Please excuse this mistake. Adult returns are indeed 252 percent higher than the four-year-average. Also, note these counts are daytime counts and lamprey passage numbers are still probably closer to 165,314 total fish. Pacific lamprey, an ancient, eel-like fish species, are seeing returns 170 percent higher than the 10-year average (2013-2022) at Bonneville Lock and Dam this year. Lamprey numbers are also 252 percent higher than the four-year average, according to biologists responsible for reporting the number of fish counted as they migrate upstream past mainstem Columbia and Snake River dams.

  • Corps assessing future of hydropower production in Willamette Valley

    In two virtual public information sessions, the Portland District, U.S. Army Corps of Engineers will discuss the role of hydropower at their Willamette Valley dams, and how they’re answering Congress’ call to look at the future of that hydropower.

  • When trees fly: Pittsburgh District delivers new fish habitats on Ohio River

    The Pittsburgh District used a helicopter to lift 29 trees bundles and concrete blocks to create a new fish habitat in a water basin on the Ohio River.