The U.S. Army Corps of Engineers, New Orleans District, and the Louisiana Department of Environmental Quality (LDEQ) have issued a Joint Public Notice regarding the Grand Isle Storm Damage Reduction Project.
Official Letter – 404b1_401 Public Notice Letter_Grand Isle Breakwaters_signed
The notice addresses the results of a Clean Water Act Section 404(b)(1) evaluation related to the proposed construction of up to 35 segmented stone breakwaters and up to 20 navigation light platforms on the Gulf side of Grand Isle, within 400 feet of shore. It also serves as the public notice for the associated LDEQ Section 401 Water Quality Certification application.
Public Comment Period:
February 5 – February 20, 2026
The public is invited to submit comments during this 15-day period using the options below.
Submit comments on the 404(b)(1) Evaluation:
Mail:
Department of the Army
Corps of Engineers, New Orleans District
ATTN: Michael Morris (CEMVN-PDS)
7400 Leake Avenue
New Orleans, LA 70118
Email: mvnenvironmental@usace.army.mil
Submit comments on the LDEQ Section 401 Water Quality Application:
Mail:
Louisiana Department of Environmental Quality
Water Permits Division
ATTN: Water Quality Certifications
Baton Rouge, LA 70821-4313
Email: DEQ-WaterQualityCertifications@la.gov
Community input is an important part of this process, and residents are encouraged to participate.