(May 31, 2016, 12:02 PM EDT) -- WASHINGTON, D.C. — The U.S. Supreme Court on May 31 ruled that jurisdictional determinations (JDs) by the U.S. Army Corps of Engineers about what constitutes “waters of the United States” are final agency actions that are judicially reviewable under the Administrative Procedure Act (APA) (United States Army Corps of Engineers v. Hawkes Co., Inc., et al., No. 15-290, U.S. Sup.)....