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  • 22-031 Corps invites public comments on the Federal Participation in Watercraft Inspection Stations documents

    Walla Walla, WA – The U.S. Army Corps of Engineers, Walla Walla District (Corps) invites your comments on the May 2022 Federal Participation in Watercraft Inspection Stations, Updated Integrated Letter Report and Programmatic Environmental Assessment, Columbia River Basin (LR/PEA) and associated Draft Finding of No Significant Impact (FONSI).

  • U.S. Army Corps of Engineers moves to eradicate invasive species

    Since the discovery of zebra mussels at the South Dakota Big Bend powerhouse intake gates in the summer of 2019, the U.S. Army Corps of Engineers has conducted an internal analysis of the potential alternatives to control the invasive species.

  • Invasive species mussel in on Gavins Point Dam

    When you’re talking about the U.S. Army Corps of Engineers’ six mainstem dams on the Missouri River, the word small is a relative term. While the dams and their powerhouses vary in size, they are all imposing structures. For instance, Gavins Point Dam, near Yankton, South Dakota, is the smallest of the six, yet it took 7 million cubic yards of earth to build and its three Kaplan generators are capable of generating electricity for 68,000 homes. This makes it that much more ironic that something as small as a zebra mussel could give it such big problems.

  • Second drawdown of Cunningham Reservoir planned due to high runoff, fish renovation planned for June

    The U.S. Army Corps of Engineers will drawdown Glenn Cunningham Reservoir a second time as the high runoff event in March 2019 caused the reservoir to refill, delaying progress in the efforts to control the invasive zebra mussels and overabundant common carp.

  • Seasonal boat ramp closures to impact Aquatic Nuisance Species protocols at CPW lakes

    Boat ramps, Aquatic Nuisance Species inspections protocols changing with the season and approach of freezing temperatures in Colorado.

  • Plans to draw down Cunningham Lake moving forward

    OMAHA, Neb.—The U.S. Army Corps of Engineers began drawing down Glenn Cunningham Lake Tuesday as part of a multiagency initiative to control the zebra mussels and common carp that have negatively impacted the lake’s ecosystem and to attempt to prevent from spreading to other lakes.

  • Draft EA for control of zebra mussels and common carp in Glenn Cunningham Lake available for public review

    A draft environmental assessment for a proposal to control two invasive species in Omaha’s Glenn Cunningham Lake is currently available for public review. The draft EA evaluates the impacts of drawing the lake down during the 2018 fall and winter months to freeze the zebra mussels and applying Rotenone in the remaining pools to control common carp. Comments must be postmarked or received no later than October 17, 2018.

  • The fight against invasive species and how you can help

    Invasive species can be an animal, plant or fungus. Typically, it’s a species that has been brought

  • Zebra Mussels found in Tuttle Creek Reservoir

    MANHATTAN, Kan. – The Kansas Department of Wildlife, Parks and Tourism has confirmed the presence of zebra mussels in Tuttle Creek Reservoir. The reservoir encompasses areas in Riley, Pottawatomie and Marshall counties. An alert fisherman found a rock with one adult zebra mussel attached and reported it to KDWPT staff at the Tuttle Creek State Park office. A subsequent search by KDWPT fisheries staff verified the presence of additional zebra mussels. Twenty-nine Kansas lakes are now confirmed to have zebra mussels. Other reservoirs in northeast Kansas with zebra mussel infestations include Milford, Clinton, Perry, Pomona, John Redmond and Melvern lakes.

  • Zebra Mussels discovered at Lewis and Clark Lake

    Boat inspections increase around Lewis and Clark Lake and the Missouri River as Lewis and Clark Lake was declared "Infested" for zebra mussels.