On August 29, 2023, the U.S. Environmental Protection Agency and the U.S. Army Corps of Engineers issued a final rule that amends the "Revised Definition of 'Waters of the United States'" to conform key aspects of the regulatory text to the U.S. Supreme Court's May 25, 2023 decision in the case of Sackett v. Environmental Protection Agency. The conforming rule, "Revised Definition of 'Waters of the United States'; Conforming," published in the Federal Register and became effective on September 8, 2023.
Further information on WOTUS can be found on the U.S. EPA webpage: EPA Waters of the United States.