Notice of Availability of the Record of Decision for the Final Supplemental Environmental Impact Statement for the Mississippi River, Baton Rouge to the Gulf of Mexico, Mississippi River-Gulf Outlet, Louisiana, New Industrial Canal Lock and Connecting Channels Proposed Project, Orleans Parish, Louisiana
The U.S. Army Corps of Engineers (USACE) announces the availability of the Record of Decision (ROD) for the final Supplemental Environmental Impact Statement (SEIS) for the Miss...
U.S. Army Corps of Engineers, Department of the Army, DoD.
ACTION:
Notice of availability.
SUMMARY:
The U.S. Army Corps of Engineers (USACE) announces the availability of the Record of Decision (ROD) for the final Supplemental Environmental Impact Statement (SEIS) for the Mississippi River, Baton Rouge to the Gulf of Mexico, Mississippi River-Gulf Outlet, Louisiana, New Industrial Canal Lock and Connecting Channels Proposed Project, Orleans Parish, Louisiana. The Assistant Secretary of the Army (Civil Works) (ASA(CW)) signed the ROD on August 27, 2026.
ADDRESSES:
U.S. Army Corps of Engineers, New Orleans; 7400 Leake Ave., New Orleans, Louisiana 70118.
FOR FURTHER INFORMATION CONTACT:
Mark Lahare, U.S. Army Corps of Engineers, New Orleans District, at (504) 862-1344 or by email at
Mark.H.Lahare@usace.army.mil.
SUPPLEMENTARY INFORMATION:
The SEIS was prepared pursuant to the National Environmental Policy Act (NEPA) of 1969 (as amended) (42 U.S.C. 4321,
et seq.). The NOI for the SEIS was published in the
Federal Register
on January 1, 2015, (80 FR 4911). The ASA(CW) signed a Record of Decision outlining the conclusion of the environmental impacts analysis related to the recommended design and construction of a new navigation lock within the Inner Harbor Navigation Canal (IHNC), between the Claiborne and Florida Avenue Bridges in Orleans Parish, to improve efficient and reliable passage of waterborne traffic locking through the IHNC; reduce the frequency and costs associated with major (
i.e.,
unwatering) operation and maintenance events; and construct a modern navigation lock in the Gulf Intracoastal Waterway (GIWW), IHNC in Orleans Parish, Louisiana. The ROD is available for viewing and download on the USACE New Orleans District study website at:
www.mvn.usace.army.mil/about/projects/ihnc-lock-replacement/.
This Notice of Availability is published pursuant to the Department of War NEPA Implementing Procedures (September 3, 2026).
Use this for formal legal and research references to the published document.
91 FR 69245
Web Citation
Suggested Web Citation
Use this when citing the archival web version of the document.
“Notice of Availability of the Record of Decision for the Final Supplemental Environmental Impact Statement for the Mississippi River, Baton Rouge to the Gulf of Mexico, Mississippi River-Gulf Outlet, Louisiana, New Industrial Canal Lock and Connecting Channels Proposed Project, Orleans Parish, Louisiana,” thefederalregister.org (November 3, 2026), https://thefederalregister.org/documents/2026-22368/notice-of-availability-of-the-record-of-decision-for-the-final-supplemental-environmental-impact-statement-for-the-missi.
42 U.S.C. 4321
www.mvn.usace.army.mil/about/projects/ihnc-lock-replacement/