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Public Notices

A public notice is the primary method for advising all interested parties of a proposed activity for which a permit is sought. Soliciting comments and information necessary to evaluate the probable impacts on the public interest. Public notices are also published to inform the public about new or proposed regulations, policies, guidance or permit procedures.  

Public Notices published by the Los Angeles District are posted on these three pages. There are two types of Public Notices; Regulatory and Project Public Notices. Comments are due by the expiration date of the public notice. 

Only comments submitted by email or in hard copy format through a delivery service, such as the U.S. Postal Service, can be accepted.   Comments must be submitted to the address listed in the public notice.

Public Notice Manager

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Archive: 2026
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  • 408-SPL-2025-0033

    Expiration date: 10/2/2026

    Section 408 permit application from the City of San Gabriel has requested permission from the U.S. Army Corps of Engineers (USACE) to alter Alhambra Wash Channel, a feature for flood control in the Los Angeles County Drainage Area, in Los Angeles County, California.

  • 408-SPL-2026-0006

    Expiration date: 10/2/2026

    Section 408 permit application from Trout Unlimited – South Coast Chapter, through the Los Angeles County Flood Control District (LACFCD), has requested permission from the U.S. Army Corps of Engineers (USACE) to alter Los Angeles River, a feature for flood control in the Los Angeles County Drainage Area, in Los Angeles County, California.

  • 408-SPL-2025-0078

    Expiration date: 10/2/2026

    Section 408 permit application from the California Department of Transportation (Caltrans), through the Los Angeles County Flood Control District (LACFCD), has requested permission from the U.S. Army Corps of Engineers (USACE) to alter San Gabriel River, a feature for flood control in the Los Angeles County Drainage Area, in Los Angeles County, California.

  • 408-SPL-2025-0077 Cave Buttes Dam – Access Road Realignment

    Expiration date: 9/30/2026

    In compliance with Section 14 of the Rivers and Harbors Act of 1899, as amended, codified at 33 U.S.C. 408 (“Section 408”), Capital Investors Realty, LCC through the Flood Control District of Maricopa County has requested permission from the U.S. Army Corps of Engineers (USACE) to alter Cave Buttes Dam, a feature for flood control in the New River and Phoenix City Streams, in Maricopa County, Arizona.

  • 408-SPL-2025-0034 Agua Fria River – APS Runway

    Expiration date: 9/30/2026

    In compliance with Section 14 of the Rivers and Harbors Act of 1899, as amended, codified at 33 U.S.C. 408 (“Section 408”), Arizona Public Service, through the Maricopa County Flood Control District has requested permission from the U.S. Army Corps of Engineers (USACE) to alter Agua Fria River, a feature for flood control in the New River and Phoenix City Streams, in Maricopa County, Arizona.

  • Emergency Procedures

    Expiration date: 8/19/2027

    Department of the Army authorization, through a Corps permit, is required to conduct regulated activities within waters of the United States. This requirement holds even in emergency situations.

    Emergency Procedures

  • Carbon Canyon Dam Safety Modification Study

    Expiration date: 7/8/2026

    The U.S. Army Corps of Engineers hereby informs the public the 2026 draft Carbon Canyon Dam Safety Modification Study Environmental Assessment and draft Finding of No Significant Impact is available for a 30-day public review.

  • FIFA World Cup 2026 Fan Fest Event

    Expiration date: 5/31/2026

    Pursuant to the National Environmental Policy Act of 1969, as amended (42 United States Code [U.S.C.] 4321, et seq.) (NEPA), the U.S. Army Corps of Engineers Los Angeles District (Corps) is preparing an Environmental Assessment (EA) (EAXX-202-00-L1O-1778774865) for the proposed International Federation of Association Football (FIFA) World Cup 2026 Fan Fest Event (Event) at the Whittier Narrows Recreation Area B in Los Angeles County, California. The purpose of the EA is to evaluate potential environmental impacts associated with the Event located in Los Angeles County, California on land leased to the County of Los Angeles Department of Parks and Recreation (County).

  • Town of Quartzsite Water Systems Improvements Project

    The U.S. Army Corps of Engineers Los Angeles District, under the authority of Section 595 of the Water Resources Development Act of 1999, Public Law 106-53, as amended, proposes to assist the Town of Quartzsite, located in La Paz County, Arizona (Figure 1), with activities to improve its potable water distribution system.

  • SPL2025-00445 Canyon Lake drawdown Fish Creek confluence modifications

    Expiration date: 4/17/2026

    Application for Permit Canyon Lake drawdown Fish Creek confluence modifications

    SPL2025-00445 Canyon Lake drawdown Fish Creek confluence modifications