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  • USACE conducts dye testing in Sacramento River near Old Sacramento

    The U.S. Army Corps of Engineers Sacramento District began conducting dye testing of the Old Sacramento floodwall on Oct. 29, 2025, as part of an investigation following soil movement observed behind the floodwall after high water levels in 2023. Residents and boaters may observe bright yellow/green coloration in the Sacramento River during testing periods that could extend into spring 2026. The non-toxic and biodegradable dye is being used to assess water movement between the river and soil behind the floodwall.

  • Semi-Annual Sampling Update at Former Titan 1-A Missile Site

    As part of our ongoing environmental monitoring efforts at the former Titan 1-A Missile site, our team will begin the fall semi-annual sampling on October 1, 2025. This event will continue through October 10, 2025, and is an essential part of our comprehensive environmental restoration program.

  • Black Butte Lake recreation areas to remain closed during winter months

    Two recreation areas at Black Butte Dam and Lake will remain closed through the winter months, during which critical repairs to aging utility infrastructure will take place. The two recreation areas impacted by the closures include: Buckhorn Recreation Area and Buckhorn Campground Orland Buttes Recreation Area and Orland Buttes CampgroundOpen

  • Army Corps of Engineers waives fees and invites volunteers to participate in National Public Lands Day, Sept. 27

    The U.S. Army Corps of Engineers announced today that it will waive day use fees normally charged at boat launch ramps and swimming beaches at its recreation areas nationwide in recognition of National Public Lands Day (NPLD) on Saturday, Sept. 27.The waiver does not apply to camping and camping-related services, or fees for specialized facilities

  • Public Review Period Opens for Lower San Joaquin River Project

    The U.S. Army Corps of Engineers Sacramento District has completed the Draft Supplemental Environmental Assessment (SEA) and Finding of No Significant Impact (FONSI) for the Lower San Joaquin River, California Project (LSJR), Tenmile Slough Reach 30L (TS30L) Alternate Haul Route. With the release of the Draft SEA, a public review period of ten days

  • U.S. Army Corps of Engineers seeks public comments on proposal to renew and revise nationwide permits

    The U.S. Army Corps of Engineers announced today it is seeking comments on its proposal to renew and revise 56 existing nationwide permits and issue one new nationwide permit authorizing activities associated with improving fish passage. Nationwide permits authorize activities in wetlands and other waters that are regulated by Section 404 of the Clean Water Act and/or Section 10 of the Rivers and Harbors Act of 1899.

  • USACE Day Use Fees waived June 16 and June 19

    This year the U.S. Army Corps of Engineers will continue its tradition of waiving all day use fees at USACE managed recreation areas on June 16 and 19 in honor of the USACE’s upcoming birthday and Juneteenth National Independence Day.  Upcoming fee-free days include:  The U.S. Army Corps of Engineers Birthday – June 16, 2025  Juneteenth National

  • Eagle Pass boat ramp at Black Butte Lake to reopen June 6

    The Eagle Pass boat ramp at Black Butte Lake will re-open this week, beginning Friday, June 6.

  • USACE Sacramento District breaks ground on Lake Isabella Visitor Center

    The U.S. Army Corps of Engineers Sacramento District officially broke ground on the new U.S. Forest Service Visitor Center near Lake Isabella on May 28.

  • USACE releases environmental document for proposed Napa River/Napa Creek floodwalls

    The U.S. Army Corps of Engineers Sacramento District released its draft supplemental environmental assessment for construction of floodwalls north of the Napa River Oxbow Dry Bypass.

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