Jump to Main Content
USA flagAn Official Website of the United States Government
Advocacy Article

Definition of waters protected under the Clean Water Act (CWA)

The Environmental Protection Agency (EPA) and the U.S. Army Corps of Engineers (Corps) have proposed a rule defining the scope of waters protected under the Clean Water Act (CWA).  This proposal would set forth several categories of waters to be included in the definition as well as establish waters that are subject to the act.  The comment period closes July 21, 2014.