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  • 2026 Nationwide Permits Regional Conditions for Indiana

    Expiration date: 3/15/2031

    The U.S. Army Corps of Engineers Louisville, Detroit, and Chicago Districts announce the reissuance of 57 Nationwide Permits (NWPs) effective March 15, 2026, through March 15, 2031, for the State of Indiana. The Great Lakes and Ohio River Division approved Indiana Regional Conditions on March 6, 2026. The Indiana Department of Environmental Management issued Section 401 Water Quality Certifications for certain NWPs, while denying certification for others requiring individual review.

  • LRL-2025-002

    Expiration date: 2/27/2025

    This Report is an update on undertakings at our Indiana Lake projects for the 2024 calendar year. This Report is being provided for public review and comment as one of the requirements under the Programmatic Agreement (PA) Among the U.S. Army Corps of Engineers, Louisville District; the Indiana State Historic Preservation Officer; the Advisory

  • LRL-2025-001

    Expiration date: 2/27/2025

    The Scoping Letter is for our upcoming undertakings at our Indiana Lake projects for the 2025 calendar year. The Scoping Letter is being provided to allow the public an opportunity to review and comment on the upcoming undertakings for the 2025 Calendar Year. This Scoping Letter is being provided for public review and comment as one of the

  • 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

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Consolidation of Studies

The Water Resources Development Act establishes a single-phase cost-shared study process that for each feasibility study undertaken, the district engineer will develop a detailed study schedule and notify the non-federal interests.

Overviews of study schedule milestones are posted below.