A contractor is working near a Louisiana wetland area. The project requires filling 0.8 acres of wetlands. What federal and state permits are likely required?
Correct Answer
A) Both federal Section 404 and Louisiana Water Quality Certification
Wetland filling requires both federal Section 404 permits from Army Corps of Engineers and Louisiana Water Quality Certification, regardless of size.
Why This Is the Correct Answer
Filling wetlands — regardless of acreage — triggers a dual-permit requirement: (1) a federal Section 404 permit from the U.S. Army Corps of Engineers under the Clean Water Act, which regulates the discharge of dredged or fill material into navigable waters and adjacent wetlands, and (2) a Louisiana Water Quality Certification (Section 401 certification) issued by LDEQ, which ensures the activity meets state water quality standards. There is no minimum-acreage exemption for this combined requirement.
Why the Other Options Are Wrong
Option B: No permits required for areas under 1 acre
There is no '1-acre exemption' for wetland fill permits under federal or Louisiana law. Even minor fills below 0.1 acre often require a Nationwide Permit (a streamlined Section 404 authorization). Size may affect the type of permit pathway, but it never eliminates the permit requirement altogether.
Option C: Only U.S. Army Corps of Engineers Section 404 permit
A Section 404 permit alone is insufficient. Federal law (Section 401 of the Clean Water Act) explicitly requires that any federally licensed activity that may result in a discharge to waters of the United States must obtain a state water quality certification. Louisiana's certification process is administered by LDEQ and is a separate, mandatory step.
Option D: Only Louisiana Wetlands Permit
Louisiana does not have a standalone 'Louisiana Wetlands Permit' that substitutes for the federal Section 404 process. The state's role is the 401 Water Quality Certification, which works in conjunction with — not instead of — the federal permit.
Memory Technique
Think '404 + 401' — the Corps issues the 404 fill permit, and the state issues its 401 Water Quality Certification. Two numbers, two agencies, always both required.
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