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Response Department (Marine Events moving to Prevention - JAN 2015

Marine Event Permits


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Do I need to submit an Application for Approval of Marine Event to the U.S. Coast Guard, Captain of the Port, Sector Upper Mississippi River? Open the below document to find the answer to Frequently Asked Questions (FAQ).

Application for Marine Event:  How to Submit an Application

Application for Marine Event: General Information

Application for Marine Event:  CG Form 4423 (Valid through 30SEP2017)



The Application for Marine Event: CG-4423 can also be completed using Homeport at:


For general questions and concerns about Marine Permit Applications (CG Form 4423), sponsors may contact Sector Upper Mississippi River by:  at


Telephone:  (314) 269-2573




Helpful links to assist with Application for Marine Event

Clearinghouse Links
Federal Clearinghouse
State Point of Contact Email
Iowa Kathy Mabie
Missouri Sara VanderFeltz
North Dakota Jim Boyd
U.S. Fish and Wildlife
Mid-West Regional Office (IL, IA, MN, MO, WI)
Mountain-Prairie Region (ND, SD, NE, KS)

*Click on “Field Offices” for state specific office contact information
State Environmental Agency
North Dakota
South Dakota
State Boating Law Administrator
State Point of Contact Email
Illinois Joe Morelock
Iowa Susan Stocker
Kansas Dan Hesket
Minnesota Kim Elverum
Missouri Tommy Roam
Nebraska Herb Angell
North Dakota Nancy Boldt
South Dakota Andy Alban
Wisconsin Roy Zellmer
Army Corps of Engineers
Kansas City District
Omaha District
Rock Island District
Saint Louis District
*US Army Corps Rivers Chart



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Last Modified 1/20/2015