Environmental Guidance Documents

Section 404/401 Procedures

These procedures provide guidance on the preparation of jurisdictional delineations, Nationwide Permit preconstruction notification submittals and Individual Permit applications.

Please Note!
  • Clean Water Act Section 404/401 Guidance Manual is now available. Download the full manual, the manual text or appendices.
  • Consultants are not allowed to make any modification to Corps tables, forms, etc, that is downloaded from this Web page. Although comprehensive, these procedures do not cover every single situation when doing JD work or Section 404 permitting.
  • If your project has particular circumstances that are not covered in this manual, contact the EPG planner and/or consult the Corps of Engineers website.
  • Submittals to the Corps: From now on, when submitting documents to the Corps, please use https://safe.amrdec.army.mil/safe/Default.aspx for any files over 10MB that cannot be emailed. Files under 10MB may be submitted via email to the Corps, even if more than one email is needed to submit all files. In addition, neither a CD nor a combined file of 8x11 and 11x17 documents is needed; the separated files are preferred.
  • U.S. Army Corps of Engineers Map Standards 
Revision History

Section 404/401

The primary documents prepared to acquire Section 404 permits from the U.S. Army Corps of Engineers include Preconstruction Notifications (for projects that do not require an individual permit) and Individual 404 Permit applications.

As part of the Section 404 permitting process, ADOT applies for Section 401 Water Quality Certification from the U.S. Environmental Protection Agency (for projects on tribal lands) and the Arizona Department of Environmental Quality (for projects on nontribal lands).

404 Permit Applications

NOTE: All NWP PCN applications should include documentation that the project is in compliance with the 31 General Conditions associated with the 2012 Nationwide Permits and Regional Conditions 1-4, 9, and 10. Form 4345 should be used for Nationwide Permit Preconstruction Notifications and Individual Permit applications.