The U.S. Supreme Court in a 5–4 decision reined in the Environmental Protection Agency's (EPA) effort to impose extensive federal land use regulation through its broad interpretation of the Clean Water Act (CWA). The decision in the case of Sackett v. EPA turns on the question of the proper definition of the term "the waters of the United States" (WOTUS). Interestingly, all the justices concurred in the judgment that plaintiffs Michael and Chantell Sackett's property and actions were not covered by the CWA. In the case, the Sacketts had purchased property near Priest Lake, Idaho, and began backfilling the lot...