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  • Draft Environmental Assessment/Finding of No Significant Impact for the ALCOSAN Upper Saw Mill Run Interceptor Rehabilitation Project, Allegheny County, Pennsylvania

    Expiration date: 1/19/2026

    The U.S. Army Corps of Engineers Pittsburgh District has adopted an environmental assessment (EA) in accordance with the National Environmental Policy Act of 1969, as amended. The draft EA, dated December 2025, evaluates potential environmental impacts associated with the Allegheny County Sanitary Authority (ALCOSAN) Upper Saw Mill Run Interceptor project for federal funding under the Section 313 program located in the boroughs of Castle Shannon and McKees Rocks in Allegheny County, Pennsylvania. The Water Resources Development Act of 1992 (Public Law 102-580), Section 313 allows the Corps of Engineers to consider reimbursement for design and/or construction of environmental infrastructure in Pennsylvania.

  • DRAFT Union City Dam 2025 Master Plan/Environmental Assessment

    Expiration date: 8/15/2025

    The U.S. Army Corps of Engineers Pittsburgh District is seeking community feedback regarding proposed changes to the Union City Dam master plan and environmental assessment. The revision will affect the management of recreational activities and natural resources at Union City Dam for the next 25 years.

  • Draft Environmental Assessment for City of Kingwood Phase I Sanitary Sewer Project, Preston County, West Virginia

    Expiration date: 1/1/2025

    The U.S. Army Corps of Engineers, Pittsburgh District (Corps) has adopted an environmental assessment (EA) in accordance with the National Environmental Policy Act of 1969, as amended. The Draft EA, dated October 2024 evaluates potential environmental impacts associated with sanitary sewer collection system improvements proposed for federal funding under the Section 571 program for the Kingwood Phase I Sanitary Sewer Project in Kingwood, Preston County, West Virginia.

  • Notice of Availability of the Beta Streamflow Duration Assessment Methods for the Northeast and Southeast

    The U.S. Army Corps of Engineers (Corps) Baltimore, Buffalo, Charleston, Chicago, Detroit, Fort Worth, Galveston, Huntington, Jacksonville, Kansas City, Little Rock, Louisville, Memphis, Mobile, Nashville, New England, New Orleans, New York, Norfolk, Philadelphia, Pittsburgh, Savannah, St. Louis, Tulsa, Vicksburg, and Wilmington Districts, and the

    View Notice of Availability