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Archive: 2025
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  • December

    U.S. Army Corps of Engineers Sacramento District team members Ashley Lopez (left) environmental manager and David Colby (right) fisheries biologist, perform maintenance and a software update on the system used for the Juvenile Salmon Acoustic Telemetry System (JSATS) receivers that will be used for a telemetry survey on Sept. 10, 2025, in Stockton, California. The U.S. Army Corps of Engineers Sacramento District conducts telemetry surveys to close critical data gaps on green sturgeon passage in the lower Sacramento River, providing valuable information to partner agencies for setting river flow requirements, managing dam releases, and improving the survival of this federally protected species. (U.S. Army photo by Bertha Smith, U.S. Army Corps of Engineers Sacramento District Public Affairs)

    Telemetry Surveys: Tracking Life Beneath the Surface

    Environmental manager Ashley Lopez, fisheries biologist David Colby, and Bryte Yard technicians deployed acoustic telemetry receivers along the lower Sacramento River to monitor juvenile salmon and green sturgeon migration patterns and habitat use. The data collected helps assess the impact of flood control projects like the Sacramento River Bank Protection Project on aquatic species. Shared with agencies such as the National Marine Fisheries Service (NMFS), the telemetry results support environmental compliance and guide mitigation efforts for federally protected species. This collaboration with partners like the California Department of Water Resources (DWR) and UC Davis ensures that flood risk management projects are balanced with environmental stewardship.

  • November

    Leaders from the 940th Air Refueling Wing join U.S. Army Corps of Engineers Sacramento District representatives for a ribbon cutting celebrating the completion of the new Squadron Operations and Aircraft Maintenance Unit facility at Beale Air Force Base on Nov. 14, 2025.

    USACE Completes New Squadron Operations and Aircraft Maintenance Facility at Beale AFB, Enhancing Mission Support for the 940th Air Refueling Wing

    With a ribbon cutting timed for 9:40 a.m. Friday in honor of the 940th Air Refueling Wing, the U.S. Army Corps of Engineers completed a new Squadron Operations and Aircraft Maintenance Unit complex that will support refueling, maintenance and mission-planning operations for years to come. The more than 43,000 square-foot facility consolidates the Operational Support Squadron, Aircraft Maintenance Unit and Aircrew Flight Equipment into one modern building. With operations, maintenance and aircrew preparation located under the same roof, crews can move more quickly from planning to on the aircraft, and maintenance teams can coordinate directly with operators. Air Force Colonel Andrew Gray, commander of the 940th Air Refueling Wing, said the facility represents a long-awaited milestone.

  • September

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    Iron Walls 2025: USACE, security and law enforcement conduct antiterrorism exercise

    The U.S. Army Corps of Engineers Sacramento District Security and Law Enforcement Office recently partnered with the Calaveras County Sheriff’s Department, Army CID, Army Counterintelligence and USACE South Pacific Division Security and Law Enforcement for Iron Walls 2025 – a three-day, full-scale antiterrorism exercise. From bomb threat response to force protection coordination, this training brought together federal and local law enforcement partners to strengthen readiness and cooperation. Exercises like this are essential to ensuring safety, security, and seamless teamwork when it matters most.
  • Five ribbons with names and their respective awards.

    Sacramento District Employees Receive Prestigious Awards

    SACRAMENTO, Calif. -- Five employees at the U.S. Army Corps of Engineers Sacramento District recently earned prestigious awards within engineering, construction, and contracting fields.  The individuals and their respective awards are as follows:   Spencer T. Waganaar — Early Career Geotechnics Professional Award Thomas C. Savage — Landscape

  • June

    An aerial view shows construction of the fish passage structure along the west bank of the Sacramento River in Yolo County, California, on June 5, 2025. The structure is part of the Sacramento Weir Widening Project managed by the U.S. Army Corps of Engineers Sacramento District, which will create an 8,600-foot "double hybrid technical fishway" for endangered salmon, steelhead and sturgeon. The $350 million project combines flood control infrastructure with fish passage capabilities to protect threatened species during high-water events.

    Sacramento Weir Fish Passage: Offers Lifeline to Threatened and Endangered Fish Species in California's Central Valley

    The U.S. Army Corps of Engineers has completed a groundbreaking 1.6-mile "fish highway" designed to prevent thousands of endangered salmon, steelhead, and sturgeon from becoming stranded during flood events in the Sacramento River system. The $350 million double-channel fishway connects the Sacramento River to Tule Canal, accommodating fish up to 10 feet long through two parallel passages. Unlike traditional fish ladders, this system handles the unique challenge of serving both downstream-migrating juvenile salmon and upstream-spawning adult sturgeon during peak flood season from December to March. The innovative design addresses critical survival needs for species protected under the Endangered Species Act. Expected to be fully operational by winter 2026, the project represents a major advancement in balancing flood protection with wildlife conservation.

  • May

    A man in a blue long-sleeved, button-up shirt stands with his hands in his pockets in front of a lake with Pine Flat Dam in the distance behind him.

    From farm roots to flood risk management at Pine Flat Lake

    From citrus groves to floodgates, Jake Severns' journey has come full circle. Raised on a citrus farm in California’s Central Valley, he learned the value of water early in life. Today, he helps manage that vital resource as the operations project manager for Pine Flat Dam with the U.S. Army Corps of Engineers Sacramento District.

  • April

    U.S. Army Corps of Engineers Sacramento District team members from the operations division speak with attendees at the annual Business Opportunity Open House hosted by the small business section at the Hyatt Regency in Sacramento, California on March 12, 2025. (U.S. Army photo by Bertha Smith, U.S. Army Corps of Engineers Sacramento District Public Affairs)

    Breakout sessions break new ground at this year’s BOOH

    The U.S. Army Corps of Engineers Sacramento District opened its doors once again to the contractor community with the annual Business Opportunity Open House (BOOH) - an event dedicated to building connections and creating active pathways between businesses and USACE.The annual BOOH provides insight into what it takes to become a successful
  • Col. Chad Caldwell, Sacramento District commander, USACE, delivers opening remarks to unit leaders at Hill Air Force Base at the second annual Stakeholder Meeting on March 6, 2025.

    USACE Sacramento District enhances partnerships to support military and civil works missions

    The U.S. Army Corps of Engineers Sacramento District strengthened its partnerships in Utah on March 4 and 6 by bringing together industry leaders and military stakeholders to enhance collaboration and communication on future construction efforts.Representatives from 22 different construction firms joined us March 4 for Industry Day. It provided a

  • March

    Two students construct a tower using uncooked spaghetti noodles and marshmallows while USACE Sacramento project engineer Lt. Matthew Sauter watches.

    USACE Sacramento District LEADS the way for future engineers

    Future leaders in Science, Technology, Engineering and Math (STEM) fields gathered March 26 at the Citrus Heights Community Center to learn about the various opportunities available to them in STEM career fields, including those at the U.S. Army Corps of Engineers Sacramento District.

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