San Francisco District > Missions > Regulatory

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US Army Corps of Engineers

San Francisco District Website

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Regulatory Frequently Asked Questions

Do I Need a Permit?
How are "waters of the United States" defined?
How is "fill" defined?
Who should apply for a permit?
How do I know if there are wetlands on my site/property?
Do I need to talk to USACE Regulatory Branch to conduct debris removal?
Which Nationwide Permit will cover my project?
What is mitigation versus compensatory mitigation?
What is the “new” 401 rule?
What is the "Reasonable Period of Time" for the 401 certification request?
What should be included in a request for a jurisdictional determination?
What is the difference between a Preliminary Jurisdictional Determination (PJD) and an Approved Jurisdictional Determination (AJD)?
Do I need to fill out a Pre-Construction Notification (PCN)?
- Posted 08/09/2023