A district court enjoined the U.S. Army Corps of Engineers from continuing with its Industrial Canal Lock Replacement Project in New Orleans until it complies with NEPA and the CWA. The canal is a manmade waterway that provides access from Lake Pontchartrain and the Gulf Intercoastal Waterway to...

The Tenth Circuit held that Oklahoma statutes that favor in-state water appropriation permit applicants over out-of-state permit applicants do not violate the Commerce Clause. The case arose after a Texas water district sought permits to appropriate water from Oklahoma for use in Texas. Because Okla...