Regulatory Jurisdiction Overview

The U.S. Army Corps of Engineers has permitting authority over activities affecting waters of the United States. Waters of the United States include surface waters such as navigable waters and their tributaries, all interstate waters and their tributaries, natural lakes, all wetlands adjacent to other waters, and all impoundments of these waters.

Information on the current definition of "waters of the United States" is provided at:  Additional updates on the "waters of the United States" definition may be found at: