Major Changes Underway in Clean Water Act “Navigable Waters” Regulations, With Supreme Court Review of Wetlands in the Works

US EPA and the Army Corps of Engineers have proposed new Clean Water Act regulations defining “navigable waters” (aka “waters of the United States” or WOTUS), the fourth such set of new regulations in seven years. This proposal returns to the framework of long-standing regulations dating to 1986, but with important limits on the “other waters,” “tributaries,” and “adjacent wetlands” categories… Read more here.