[Code of Federal Regulations]

[Title 33, Volume 3]

[Revised as of July 1, 2006]

From the U.S. Government Printing Office via GPO Access

[CITE: 33CFR329.13]



[Page 470-471]

 

                TITLE 33--NAVIGATION AND NAVIGABLE WATERS

 

 CHAPTER II--CORPS OF ENGINEERS, DEPARTMENT OF THE ARMY, DEPARTMENT OF 

                                 DEFENSE

 

PART 329_DEFINITION OF NAVIGABLE WATERS OF THE UNITED STATES--Table of 

Contents

 

Sec.  329.13  Geographic limits: Shifting boundaries.



    Permanent changes of the shoreline configuration result in similar 

alterations of the boundaries of the navigable waters of the United 

States. Thus, gradual changes which are due to natural causes and are 

perceptible only over some period of time constitute changes in the bed 

of a waterbody which also change the shoreline boundaries of the 

navigable waters of the United States. However, an area will remain 

``navigable in law,'' even though no longer covered with water, whenever 

the change has occurred suddenly, or was caused by artificial forces 

intended to produce that change. For example, shifting sand bars within 

a river or estuary remain part of the navigable water of the United 

States,



[[Page 471]]



regardless that they may be dry at a particular point in time.